ISL 802.1q in one switch [7:59512]
Hi folks, Does anybody have experience with using ISL en 802.1q within the same switch. I have ISL trunk between my access and distribution layer. Now I want to connect a firewall on my access switch with 802.1q trunking protocol. Is it possible? if the answer is YES, should I change anything in my configuration? My firewall talks 802.1q with the access switch and the vlan's should go from access to distribution switch which talk ISL. thanks, Mehrdad Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59512t=59512 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: ISL 802.1q in one switch [7:59512]
most newer cisco switches can use an ISL and a DOT1Q trunk actively I believe I did that the other day with a 3550 and a 3524xl Larry [EMAIL PROTECTED] wrote: Hi folks, Does anybody have experience with using ISL en 802.1q within the same switch. I have ISL trunk between my access and distribution layer. Now I want to connect a firewall on my access switch with 802.1q trunking protocol. Is it possible? if the answer is YES, should I change anything in my configuration? My firewall talks 802.1q with the access switch and the vlan's should go from access to distribution switch which talk ISL. thanks, Mehrdad Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59513t=59512 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: ISL 802.1q in one switch [7:59512]
We did this in a large implementation of Catalyst switches using a mixture of ISL and dot1q and works fine with no problems. We used ISL between 6500s and 6500s, dot1q 3500s to 6500s and 3500s between 3500s. I assume this should be the same for what you are implementing. Just change the trunking protocols on the ports and you are away! Regards Alan -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of [EMAIL PROTECTED] Sent: 19 December 2002 10:10 To: [EMAIL PROTECTED] Subject: ISL 802.1q in one switch [7:59512] Hi folks, Does anybody have experience with using ISL en 802.1q within the same switch. I have ISL trunk between my access and distribution layer. Now I want to connect a firewall on my access switch with 802.1q trunking protocol. Is it possible? if the answer is YES, should I change anything in my configuration? My firewall talks 802.1q with the access switch and the vlan's should go from access to distribution switch which talk ISL. thanks, Mehrdad Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59514t=59512 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: CCIE Vs. BS or MS dergree [7:59481]
Steve Dispensa wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... I've been arguing with a collegue of mine which one would be tougher to achieve. I told him that it would be much more harder to have a computer science or a networking degree (you have to take the GRE and complete 2 or 3 years of school works) than a CCIE, but my collegue think other wise. He literally believes that having a CCIE is equivalent of having a Ph.d in Networking. I'd like to hear your thought. I have a BA and have been blocked for a number of years on my MS in comp sci. The CCIE cert has meant much more to my career than any of the school-related stuff, in a direct sense: it allows me to get jobs/engagements/etc, and none of the jobs i'm interested in have required completion of the MS. If you were more interested in theoretical work, or perhaps with some employers (with dubious ability to evaluate a candidate), the degrees would be much more important. This *only* applies in the field of computer networking, though. If you want to do anything else, the CCIE is pretty worthless. Even in the networking world, the thought leadership doesn't much care about certs - witness IETF, NANOG, etc - nobody there mentions or cares about CCIE. Also, i have found in my career that many CCIEs (to say nothing of the rest) don't have a sound theoretical grounding at all. Things you learn in CS school really are important - queuing theory, optimization problems, statistics, problem complexity, and even (in particular) programming. You don't truly understand network protocols until you've done network programming IMHO. CCIE is a certification for people who like to get their hands dirty with routers. CCIEs are the best in the world at fixing broken networks, setting up new ones, and so on. They're *not* necessarily any good at anything else. This is a big difference from a Ph.D. or MS, which imply a solid, broad theoretical base in addition to an area of expertise. That's probably the best response I have heard all year. I would just add that the degree also significantly helps you if you have aspirations to rise in the managerial ranks, especially if you ever want to carry the title of CxO. That's not to say a degree is absolutely strictly required for such positions, but it's almost de-rigueur - you will find practically no managers at a high level in any large company who doesn't have at least a bachelor's (with perhaps the notable exception of them having founded the company themselves).Therefore the real question you need to ask yourself is do you still wanna be slinging boxes in 20 years, or do you wanna be ordering other people to sling boxes for you?Well, maybe you'll like slinging boxes 20 years later, but maybe you won't - who knows? The degree gives you valuable career flexibility. -sd (CCIE #5444) Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59515t=59481 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
How to monitor the port in another switch? [7:59516]
Hi.. Group, I know how to monitor a port of same switch using the following command. Switch1(conf)#int fas0/5 Switch1(conf-if)#port monitor fas0/7 But how do I port monitor a port in another switch. i.e. switch3. FYI they are in the same network Thanks a lot _ Help STOP SPAM with the new MSN 8 and get 2 months FREE* http://join.msn.com/?page=features/junkmail Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59516t=59516 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
IOS to FW1 VPN [7:59517]
Hi all
I have set up a VPN between a Checkpoint FW1 (v4.1 sp3) and a Cisco 827.
The tunnel installs correctly and I can connect from the FW1 subnet to the
Cisco subnet but not the other way around.
When I try to connect from the Cisco subnet I can see the packets enter
the access list that defines the tunnel but I see no entry on the FW1 log.
Conversely I see the logging fine when I connect from the FW1 subnet to the
Cisco end.
Is there anything that I am missing? I have included some debug from the
Cisco router.
Thanks
Duncan
Saltley-EM-827#sh crypto ip sa
interface: Dialer1
Crypto map tag: Saltley, local addr. 195.137.x.x
local ident (addr/mask/prot/port): (10.14.0.0/255.255.0.0/0/0)
remote ident (addr/mask/prot/port): (10.7.0.0/255.255.0.0/0/0)
current_peer: 194.201.x.x
PERMIT, flags={origin_is_acl,}
#pkts encaps: 74, #pkts encrypt: 74, #pkts digest 74
#pkts decaps: 38, #pkts decrypt: 38, #pkts verify 38
#pkts compressed: 0, #pkts decompressed: 0
#pkts not compressed: 0, #pkts compr. failed: 0, #pkts decompress
failed: 0
#send errors 1, #recv errors 0
local crypto endpt.: 195.137.x.x, remote crypto endpt.: 194.201.x.x
path mtu 1500, media mtu 1500
current outbound spi: 6B50AEB9
inbound esp sas:
spi: 0x33A426D2(866395858)
transform: esp-des esp-md5-hmac ,
in use settings ={Tunnel, }
slot: 0, conn id: 2000, flow_id: 1, crypto map: Saltley
sa timing: remaining key lifetime (k/sec): (4607996/3237)
IV size: 8 bytes
replay detection support: Y
inbound ah sas:
inbound pcp sas:
outbound esp sas:
spi: 0x6B50AEB9(1800449721)
transform: esp-des esp-md5-hmac ,
in use settings ={Tunnel, }
slot: 0, conn id: 2001, flow_id: 2, crypto map: Saltley
sa timing: remaining key lifetime (k/sec): (4607991/3237)
IV size: 8 bytes
replay detection support: Y
outbound ah sas:
outbound pcp sas:
local ident (addr/mask/prot/port): (10.7.0.0/255.255.0.0/0/0)
remote ident (addr/mask/prot/port): (10.14.0.0/255.255.0.0/0/0)
current_peer: 194.201.x.x
PERMIT, flags={origin_is_acl,}
#pkts encaps: 0, #pkts encrypt: 0, #pkts digest 0
#pkts decaps: 0, #pkts decrypt: 0, #pkts verify 0
#pkts compressed: 0, #pkts decompressed: 0
#pkts not compressed: 0, #pkts compr. failed: 0, #pkts decompress
failed: 0
#send errors 0, #recv errors 0
local crypto endpt.: 195.137.x.x, remote crypto endpt.: 194.201.x.x
path mtu 1500, media mtu 1500
current outbound spi: 0
inbound esp sas:
inbound ah sas:
inbound pcp sas:
outbound esp sas:
outbound ah sas:
outbound pcp sas:
Saltley-EM-827#sh crypto is sa
dst src state conn-id
slot
194.201.x.x 195.137.x.x QM_IDLE 5 0
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RE: Frame Relay congestion control [7:59478]
Hi Deepak, The answer to you question what I feel is as follows. Its not that after full congestion only Frame-relay Switch starts setting bit FECN or BECN.When ever the traffic rate exceeds the threshold value some percentage of it Then the switch informs the sender/reciver that it should decrease the sending rate.Its not that link is fully congested then only it will send before hand it takes proactive action . This is what I think. Regards, Munit Deepak Achar wrote: Hi all I have very basic doubt regarding the frame-relay congestion control. I have two routers which are connected thro' FR network.This is as follows R1---FR cloud---FR cloud--R2 Now suppose the congestion is occuring in the path R1 to R2 and there is no congestion in the path from R2 to R1. According to theory, FR network will set the FECN bit to a 1 in those frames that r going form R1 to R2. The FR network will set the BECN bit to a 1 in those frames that r going from R2 to R1. My thinking is if the network is already congested, would the frames be discarded before they reach the other end. If this is true, how will the other end router would come to know that the congestion is happening in the path. If the its not true, then how will those frames, with FECN and BECN bit set to 1, reach the FR routers at the end, even though there is congestion in the path. I am confused regarding this. Please can anyone helpme out in this regard. Regards Deepak Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59518t=59478 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
PHD/MS OR CCIE.....OR MAYBE BOTH...IT IS UP TO YOUR DREAMS..... [7:59519]
Team, I think is time to shift gears...but I will give my two cents... The question isWhat do you want to do for the rest of your life..Do you want to be the Boss or you want to be boss around... IMO a PHD/MS is a LIFE TIME investment that any person will have for the rest of his/her life, it is the best investment a person can make. It does not matter where you go (any country) your title will still validwho cares how old you become your title will still valid Any certification is valid and valuable as long as the Technology or product related to that certification is valid..I considered a CCIE the PHD/MS of networking and the reason is because you have to learn many technology and understand it very well in order for you to pass the written and them you have to spend at least 4 hours a day in for a very long timer in order for you to put to practice all the theory that learn and the take the lab (which most people does not make it the first time). It sound like the same path to become a CCIE is need to become a PHD/MS. If CCIE were that easy why we don't have to many CCIE's available is the same thing with a PHD/MS why we don't have many peoples with a PHD/MS. Finally, I will say that any person should have a least BS, and then any certification.particular a CCIE...I believe that CISCO has done a great job with the CCIE program and they should continue to improve it for the better. Juan Blanco The greatest glory in living lies not in never falling, but in rising every time we fall . -- Nelson Mandela Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59519t=59519 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
PHD/MS OR CCIE.....OR MAYBE BOTH...IT IS UP TO YOUR DREAMS..... [7:59520]
Team, I think is time to shift gears...but I will give my two cents... The question isWhat do you want to do for the rest of your life..Do you want to be the Boss or you want to be boss around... IMO a PHD/MS is a LIFE TIME investment that any person will have for the rest of his/her life, it is the best investment a person can make. It does not matter where you go (any country) your title will still validwho cares how old you become your title will still valid Any certification is valid and valuable as long as the Technology or product related to that certification is valid..I considered a CCIE the PHD/MS of networking and the reason is because you have to learn many technology and understand it very well in order for you to pass the written and them you have to spend at least 4 hours a day in for a very long timer in order for you to put to practice all the theory that learn and the take the lab (which most people does not make it the first time). It sound like the same path to become a CCIE is need to become a PHD/MS. If CCIE were that easy why we don't have to many CCIE's available is the same thing with a PHD/MS why we don't have many peoples with a PHD/MS. Finally, I will say that any person should have a least BS, and then any certification.particular a CCIE...I believe that CISCO has done a great job with the CCIE program and they should continue to improve it for the better. Juan Blanco The greatest glory in living lies not in never falling, but in rising every time we fall . -- Nelson Mandela Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59520t=59520 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Howdy to All [7:59521]
Just wanted to give a general shout out to all, I'm new here, figured I'd need some help with some study issues. been a CCNA for about 2 1/2 years, looking to pass CCNP exams by August 2003, been working on switching as my first exam. needed a place to vent, looking around here yesterday I cam across a (not known by me) exam 640-901, a little research found it a replacment routing exam, thats ok, oh crap, I'm still studying for the 640-50x exam series. I hate the new cisco site, can't find any good certification material, I actually had to search google and the first links were to cisco web sie exactly what I needed, ciriculum for the 640-60X exam series. looking at the curiculum for the 640-604 switching exam, there is nothing on HSRP or ATM Lane, could this be true ? they are quite complex concepts, the exam looks mich easier if these 2 subjects are left off, though multicast will still be a bear. anyway, just wanted to say hi to everyone, and I look forward to participating and helping out whenever I can. have a good day !!! Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59521t=59521 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: CCIE Vs. BS or MS dergree [7:59481]
That is a very interesting question for me; Yestarday I went for a lunch with a friend that got his MS on Economy, and I asked him: - What do you think it would be better? Either use my time and energy to get certificate or go for a MS or MBA? He said: - Absolutely go to the Certification process. I asked him why, and he told me: - I just started to teach a certification course for professionals in Economic. It is an international certification, like the CCIE. The people who are taking this course could take a MBA or MS, because it is so expensive and time consuming as the others. But they need to take the certification because of its rigorous exam. I think the same is for the networing area. Will the MS represent that you has a good acknowledgment of an area? Unfortunately I know there are schools where you can finish the course without really knowing that much. At other side, it is really important, for all the explanations that was given, that you get also your BS and MS. Mic shoeps @groupstudy.com em 18/12/2002 15:37:59 Favor responder a Mic shoeps Enviado Por: [EMAIL PROTECTED] Para: [EMAIL PROTECTED] cc: Assunto:CCIE Vs. BS or MS dergree [7:59481] Hello I've been arguing with a collegue of mine which one would be tougher to achieve. I told him that it would be much more harder to have a computer science or a networking degree (you have to take the GRE and complete 2 or 3 years of school works) than a CCIE, but my collegue think other wise. He literally believes that having a CCIE is equivalent of having a Ph.d in Networking. I'd like to hear your thought. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59522t=59481 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Good book on Call Manager and IP Phones [7:59523]
Can someone reccomend a good back that deals with Call Manager setup and IP Phones. I keep finding these VOIP books (Caputo, etc.), but all they talk about is routers, FXS and FXO, H323, yadayadayada. I know all that. I know about RSVP, RTP, QOS, signaling. I did the CCNP Voice thing a few years ago. I need to know how to set up Call Manager and how to build a IP Phone network (7960's) through powered line cards on 4000's and 6000's. How do the the 7960's work? I know they are DHCP and then they download .cnf file from TFTP, then register with Call Manager. Got that from CCO but Ineed more detail. Setting up seperate VLANs for the phone and the data port. Does anyone even deploy VOIP through routers anymore, except to tie into a PBX or voice mail? I just received another VOIP book I ordered from Amazon and its the same ole stuff with no Call Manager, IP Phones, or Catalyst 4000 and 6000. Just the same ole CCNP test stuff. Any reccomendations are greatly appreciated. Thanks! John Conzone CCIE#6409 Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59523t=59523 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: CCIE Vs. BS or MS dergree [7:59481]
Howard, just my 2 pence you know ... funny you should say about BGP ... I was just thinking that the other day... but I personally don`t agree with the new protocol theory... I personally don't claim to be able to do thisI can barely plug in a switch but as far as I am aware the ISP BGP world is an all seeing all knowing world were all OX amount of routes are seen by everyone ..and I believe this is where the problem lies. When designing a routing protocol ,there is a basic problem that all designer`s face is links go up/down ...route`s appear and disappear... the more routes you have the more the protocol has to do ...regardless of how you get around this fact with fancy techniques ,there will still be a scalability problem based around a connectivity problem ,the more routes the more unstable the less your inclined to scale the protocol`s I think can probably made more efficient ,but it does not address the real problem , that is the amount of routes that a being added daily make`s any computational algorithm`s task very difficult . the only way in my humble opinion to make this more stable/scaleable is to back to the OSPF DESIGN NOT PROTOCOL... Regionalise ...create Super AS for various regions i.e US UK JP AUS...and then Tag all routes coming out .. OK (in an ideal world) this IS NOT the only way of doing thingslink 1 of 8000 goes down ...your advertising all 8000 out of one supernet ... But atleast in this case only your Super ASBR`s if you like would only need to communicate with eachother ... perhaps this is what already happen`s but i see that a fundamental shift in the way we network is required and not necessarily a change in protocol many thanks (I`ll keep my head down now ...i think...i`m only trying to help !!!) Steve Original Message - From: The Long and Winding Road To: Sent: Thursday, December 19, 2002 7:05 AM Subject: Re: CCIE Vs. BS or MS dergree [7:59481] Howard C. Berkowitz wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... At 6:37 PM + 12/18/02, Mic shoeps wrote: Hello I've been arguing with a collegue of mine which one would be tougher to achieve. I told him that it would be much more harder to have a computer science or a networking degree (you have to take the GRE and complete 2 or 3 years of school works) than a CCIE, but my collegue think other wise. He literally believes that having a CCIE is equivalent of having a Ph.d in Networking. I'd like to hear your thought. Well, let's look at some especially important PhD dissertations: Radia Perlman: http://www.lcs.mit.edu/publications/pubs/pdf/MIT-LCS-TR-429.pdf Steve Deering: http://www.tux.org/pub/net/ftp.ee.lbl.gov/sigcomm/sigcomm.ps Vern Paxson: http://citeseer.nj.nec.com/paxson97measurements.html The content of many protocol RFCs is at a level that might be associated with PhD level research, although some of the most productive people with both operational and theoretical knowledge are college dropouts. Look through the list of RFCs and see how many that someone with a CCIE, and no theoretical* training could write. For example, we have fairly strong data that the path vector approach of BGP will not continue to scale as the Internet becomes more highly interconnected and there is more churn/flap. It's not directly a problem of the number of routes, but their interaction. A reasonable dissertation would propose the theory of a protocol to replace BGP, with some experimental backup. time for the old paradigm shift, eh, Howard? BTW - do you know why it only took God 6 days to create the universe? ;- -- *By theoretical, I don't mean as is often used on the list: how the protocol works and what are its messages. I mean WHY the protocol is designed the way it is, what alternatives were rejected, the problems it solves, etc. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59525t=59481 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
(none) [7:59524]
Dear All, Can any one of you tell me the command required for making a dialup user login automatically in cisco 2611 router for PPP conenction. regards R.N.R Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59524t=59524 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: Good book on Call Manager and IP Phones [7:59523]
John,
try Cisco CallManager Fundamentals: A Cisco AVVID Solution
http://www.ciscopress.com/catalog/product.asp?product_id={3682EFD7-CBA6-
46F6-A5C8-7CC5F3D22F12}
AFAIK is one of the best ever written on the subject.
Ciao
___
Maurizio Moroni
Software/QA Engineer
Cisco Systems
___
-Original Message-
From: John Conzone [mailto:[EMAIL PROTECTED]]
Sent: 19 December 2002 15:04
To: [EMAIL PROTECTED]
Subject: Good book on Call Manager and IP Phones [7:59523]
Can someone reccomend a good back that deals with Call
Manager setup and IP
Phones. I keep finding these VOIP books (Caputo, etc.), but
all they talk
about is routers, FXS and FXO, H323, yadayadayada. I know all
that. I know
about RSVP, RTP, QOS, signaling. I did the CCNP Voice thing a
few years ago.
I need to know how to set up Call Manager and how to build a IP Phone
network (7960's) through powered line cards on 4000's and
6000's. How do the
the 7960's work? I know they are DHCP and then they download
.cnf file from
TFTP, then register with Call Manager. Got that from CCO but
Ineed more
detail. Setting up seperate VLANs for the phone and the data
port. Does
anyone even deploy VOIP through routers anymore, except to
tie into a PBX or
voice mail?
I just received another VOIP book I ordered from Amazon and
its the same ole
stuff with no Call Manager, IP Phones, or Catalyst 4000 and
6000. Just the
same ole CCNP test stuff. Any reccomendations are greatly
appreciated. Thanks!
John Conzone
CCIE#6409
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RE: Good book on Call Manager and IP Phones [7:59523]
Welcome to the world of IP Telephonythe following is a good start... Cisco IP Telephony by ciscopress - David Lovell Cisco IP Telephony Network Design Guide http://www.cisco.com/univercd/cc/td/doc/product/voice/ip_tele/network/ Cisco IP Telephony Solution Guide http://www.cisco.com/warp/public/788/solution_guide/index.html Cisco Web site is your best option, most books out there are really a copy of many pdf's from Cisco Juan Blanco -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of John Conzone Sent: Thursday, December 19, 2002 9:04 AM To: [EMAIL PROTECTED] Subject: Good book on Call Manager and IP Phones [7:59523] Can someone reccomend a good back that deals with Call Manager setup and IP Phones. I keep finding these VOIP books (Caputo, etc.), but all they talk about is routers, FXS and FXO, H323, yadayadayada. I know all that. I know about RSVP, RTP, QOS, signaling. I did the CCNP Voice thing a few years ago. I need to know how to set up Call Manager and how to build a IP Phone network (7960's) through powered line cards on 4000's and 6000's. How do the the 7960's work? I know they are DHCP and then they download .cnf file from TFTP, then register with Call Manager. Got that from CCO but Ineed more detail. Setting up seperate VLANs for the phone and the data port. Does anyone even deploy VOIP through routers anymore, except to tie into a PBX or voice mail? I just received another VOIP book I ordered from Amazon and its the same ole stuff with no Call Manager, IP Phones, or Catalyst 4000 and 6000. Just the same ole CCNP test stuff. Any reccomendations are greatly appreciated. Thanks! John Conzone CCIE#6409 Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59527t=59523 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: PHD/MS OR CCIE.....OR MAYBE BOTH...IT IS UP TO YOUR [7:59528]
At 1:33 PM + 12/19/02, Juan Blanco wrote: Team, I think is time to shift gears...but I will give my two cents... The question isWhat do you want to do for the rest of your life..Do you want to be the Boss or you want to be boss around... Actually, if you want to be a boss, an MBA may be more useful than a PhD. PhD's tend to be independent contributors or members of ad hoc teams. When I was at Nortel's RD lab, my job description called for a doctorate or equivalent. In practice, I worked principally with two other researchers and substantially with about five more (in the US, UK, and Sweden). One of the researchers was really good at project management, but wasn't in any sense the group leader. Our official manager was in Canada. IMO a PHD/MS is a LIFE TIME investment that any person will have for the rest of his/her life, it is the best investment a person can make. It does not matter where you go (any country) your title will still validwho cares how old you become your title will still valid Any certification is valid and valuable as long as the Technology or product related to that certification is valid..I considered a CCIE the PHD/MS of networking and the reason is because you have to learn many technology and understand it very well in order for you to pass the written and them you have to spend at least 4 hours a day in for a very long timer in order for you to put to practice all the theory that learn and the take the lab (which most people does not make it the first time). It sound like the same path to become a CCIE is need to become a PHD/MS. If CCIE were that easy why we don't have to many CCIE's available is the same thing with a PHD/MS why we don't have many peoples with a PHD/MS. While many people are effective researchers, one of the things a PhD establishes is an ability to think outside the box and do original research, founded on sound theory. Contrast this with not being able to use static routes in the lab. Indeed, the lab may be closer to postgraduate medical education, where, at least in the early stages, you need to demonstrate you can take out an appendix or manage a heart attack. In the later stages, however, you may be faced with conditions or combinations of conditions that NO ONE has ever seen before, yet you still have to work out a strategy. These relate to networking product design or large-scale network architecture rather than network support. Finally, I will say that any person should have a least BS, and then any certification.particular a CCIE...I believe that CISCO has done a great job with the CCIE program and they should continue to improve it for the better. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59528t=59528 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Exterior Routing Scalability (was: CCIE Vs. BS or MS dergree [7:59529]
At 2:39 PM + 12/19/02, steve wrote: Howard, just my 2 pence you know ... funny you should say about BGP ... I was just thinking that the other day... but I personally don`t agree with the new protocol theory... I personally don't claim to be able to do thisI can barely plug in a switch but as far as I am aware the ISP BGP world is an all seeing all knowing world were all OX amount of routes are seen by everyone ..and I believe this is where the problem lies. There's a subtle difference, and also some history here. The absolute number of routes isn't the problem. We can build perfectly good memory structures and search algorithms to find 10 million routes. The problem is the rate of change of the routes, constantly being added and withdrawn, which has a couple of significant effects. First, it's a processor load on individual routers. That can be dealt with, I think -- in fact, multiprocessing in the routing control plane is one of my research interests. The big problem comes with global instability. The Internet never really converges as a whole, and the protocol designers in the IRTF and IETF have pretty much agreed to that. When designing a routing protocol ,there is a basic problem that all designer`s face is links go up/down ...route`s appear and disappear... the more routes you have the more the protocol has to do ...regardless of how you get around this fact with fancy techniques ,there will still be a scalability problem based around a connectivity problem ,the more routes the more unstable the less your inclined to scale the protocol`s I think can probably made more efficient ,but it does not address the real problem , that is the amount of routes that a being added daily make`s any computational algorithm`s task very difficult . the only way in my humble opinion to make this more stable/scaleable is to back to the OSPF DESIGN NOT PROTOCOL... Regionalise ...create Super AS for various regions i.e US UK JP AUS...and then Tag all routes coming out .. That, indeed, is the fundamental assumption of CIDR and BGP-4. Unfortunately, we are having great market and perceptual problems in changing. You see, CIDR/BGP-4 assumed that significant aggregation in a hierarchy was possible and desirable. The Internet, in broad terms, would be a pyramid, although there would be multiple major carriers at the peak of the pyramid. EGP assumed only one core. Various people, especially Geoff Huston, have demonstrated that the Internet topology is flattening away from the pyramid. The IETF PTOMAINE Working Group web page, under www.ietf.org, is a good source here. The growth in AS is not particularly in carriers, but in multihoming users. The users want protocol-independent address space so they aren't locked into a business relationship with a single carrier, and they want to be able to home to arbitrary carriers at different hierarchical levels. Flattening defeats aggregation. IPv6 has some measures that make it easier to switch carriers, but the multihoming problem is harder in v6 than in v4. There are also user expectations of fine-grained high availability that won't work in a highly aggregated environment. OK (in an ideal world) this IS NOT the only way of doing thingslink 1 of 8000 goes down ...your advertising all 8000 out of one supernet ... But atleast in this case only your Super ASBR`s if you like would only need to communicate with eachother ... perhaps this is what already happen`s but i see that a fundamental shift in the way we network is required and not necessarily a change in protocol many thanks (I`ll keep my head down now ...i think...i`m only trying to help !!!) Steve Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59529t=59529 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: Good book on Call Manager and IP Phones [7:59523]
I ordered that one this morning. I feel better that someone else has read it and it is relevant to my needs. I think I'm keeping Amazon in business! Molte grazie John Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59531t=59523 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: Howdy to All [7:59521]
I have not met anyone who liked the new Cisco site. I have tons of errors and problems, I don't know what language the site is done in but it pretty bad. When you try to contact Cisco about it, and no one gets back to you. And when they do contact me back, they don't know why the error is occurring. I would rather have the site designed like a command prompt then to have the same thing 17 places on each page. Sometimes I am tempted to load the old site, but then I get old information. How many people have to complain before they change this? Try something else, whatever you are using is not working. I have seen teenagers make a better interface then this. On the first page, you have drop downs, which contain the same things as the links. And the +/- is annoying too. Cisco tends to try to use the underdog technologies when it doesn't have to do directly with network equipment. They need to stop getting cute with this stuff because it is very annoying. I also just got a new Cisco document CD, like 5 out of 10 of the links do not work. It would be very easy to figure this out and correct the problem. And don't get excited if you find any links to PDF on the document CD, most of them are missing. Ever hear of a QA department? -Original Message- From: David Ristau [mailto:[EMAIL PROTECTED]] Sent: Thursday, December 19, 2002 8:43 AM To: [EMAIL PROTECTED] Subject: Howdy to All [7:59521] Just wanted to give a general shout out to all, I'm new here, figured I'd need some help with some study issues. been a CCNA for about 2 1/2 years, looking to pass CCNP exams by August 2003, been working on switching as my first exam. needed a place to vent, looking around here yesterday I cam across a (not known by me) exam 640-901, a little research found it a replacment routing exam, thats ok, oh crap, I'm still studying for the 640-50x exam series. I hate the new cisco site, can't find any good certification material, I actually had to search google and the first links were to cisco web sie exactly what I needed, ciriculum for the 640-60X exam series. looking at the curiculum for the 640-604 switching exam, there is nothing on HSRP or ATM Lane, could this be true ? they are quite complex concepts, the exam looks mich easier if these 2 subjects are left off, though multicast will still be a bear. anyway, just wanted to say hi to everyone, and I look forward to participating and helping out whenever I can. have a good day !!! Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59530t=59521 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: 2514 serial port flipping between up and down, [7:59501]
you sourcing clock from one side of this or tried another cable? Brian - Original Message - From: Wei Zhu To: Sent: Wednesday, December 18, 2002 6:11 PM Subject: Re: 2514 serial port flipping between up and down, [7:59501] I also tried debug serial interface, only see myseq , other side are always 0, also the show interface serial shows the number interface resets and carrier transition are increasing all the time. Thanks - Original Message - From: Wei Zhu To: Leo Song ; Sent: Wednesday, December 18, 2002 6:37 PM Subject: Re: 2514 serial port flipping between up and down, hel [7:59426] Actually I am using DCE/DTE back to back connecting to another router(which is tested good), the line protocol is up and down continuously and count for interface resets is increasing all the time, does that mean the serial ports are bad? Thanks - Original Message - From: Leo Song To: 'Wei Zhu' ; Sent: Wednesday, December 18, 2002 11:50 AM Subject: RE: 2514 serial port flipping between up and down, hel [7:59426] Did you try to replace the v.35 cable? Leo -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Wei Zhu Sent: Wednesday, December 18, 2002 9:45 AM To: [EMAIL PROTECTED] Subject: 2514 serial port flipping between up and down, hel [7:59426] Just got one from eBay, the AUI is OK, but could not get the serials work, tried different speed, sometime at 56000 worked but not stable, other speed didn't work at all. Any suggestion? Thanks Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59504t=59501 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Exterior Routing Scalability (was: CCIE Vs. BS or MS [7:59532]
hello, indeed a large problem the need for a hierarchical routing protocol ,that is effectively flat... i think that is impossible for the internet to ever really converge ...if it did it would indicate a lack of growth or movement which would not be good for my job prospects ! i think that the industry needs more focus in this , i believe that for all intense and purposes`s the ip address is dead having a ip address limit`s your flexibility ,and any future expansion is dictated by it ..we need to find a way of doing something like this ( i DREAD writing this) fixed domain name i,e www.steve.com Multiprocessing routers and ... a Dynamic address of some format (a la` DHCP).eek dhcp .i dread it ... but in order for us to achieve what the customer`s are driving for ,it`s probably the only real way to give people the flexibilty the need and want i think it may be time for the industry to start driving the customer and not the other way around...dynamic addressing can be done ,but do we WANT to do it ...i`m not sure that it wouldn't`t cause more problems than it solve`s but also i think that we are approaching a time when we will HAVE no choice but to address this ...or face an internet meltdown ... at this point i back away ...stating that my intellect and knowledge of the problem is not as rounded as it needs to be to deal with this .. but ,as usual ,your answer was appreciated,and i will get on the mailing list ...(just to read) many thanks Steve - Original Message - From: Howard C. Berkowitz To: Sent: Thursday, December 19, 2002 3:13 PM Subject: Exterior Routing Scalability (was: CCIE Vs. BS or MS dergree [7:59529] At 2:39 PM + 12/19/02, steve wrote: Howard, just my 2 pence you know ... funny you should say about BGP ... I was just thinking that the other day... but I personally don`t agree with the new protocol theory... I personally don't claim to be able to do thisI can barely plug in a switch but as far as I am aware the ISP BGP world is an all seeing all knowing world were all OX amount of routes are seen by everyone ..and I believe this is where the problem lies. There's a subtle difference, and also some history here. The absolute number of routes isn't the problem. We can build perfectly good memory structures and search algorithms to find 10 million routes. The problem is the rate of change of the routes, constantly being added and withdrawn, which has a couple of significant effects. First, it's a processor load on individual routers. That can be dealt with, I think -- in fact, multiprocessing in the routing control plane is one of my research interests. The big problem comes with global instability. The Internet never really converges as a whole, and the protocol designers in the IRTF and IETF have pretty much agreed to that. When designing a routing protocol ,there is a basic problem that all designer`s face is links go up/down ...route`s appear and disappear... the more routes you have the more the protocol has to do ...regardless of how you get around this fact with fancy techniques ,there will still be a scalability problem based around a connectivity problem ,the more routes the more unstable the less your inclined to scale the protocol`s I think can probably made more efficient ,but it does not address the real problem , that is the amount of routes that a being added daily make`s any computational algorithm`s task very difficult . the only way in my humble opinion to make this more stable/scaleable is to back to the OSPF DESIGN NOT PROTOCOL... Regionalise ...create Super AS for various regions i.e US UK JP AUS...and then Tag all routes coming out .. That, indeed, is the fundamental assumption of CIDR and BGP-4. Unfortunately, we are having great market and perceptual problems in changing. You see, CIDR/BGP-4 assumed that significant aggregation in a hierarchy was possible and desirable. The Internet, in broad terms, would be a pyramid, although there would be multiple major carriers at the peak of the pyramid. EGP assumed only one core. Various people, especially Geoff Huston, have demonstrated that the Internet topology is flattening away from the pyramid. The IETF PTOMAINE Working Group web page, under www.ietf.org, is a good source here. The growth in AS is not particularly in carriers, but in multihoming users. The users want protocol-independent address space so they aren't locked into a business relationship with a single carrier, and they want to be able to home to arbitrary carriers at different hierarchical levels. Flattening defeats aggregation. IPv6 has some measures that make it easier to switch carriers, but the multihoming problem is harder in v6 than in v4. There are also user expectations of fine-grained high availability that won't work in a highly aggregated environment. OK (in
Strange problem of route table [7:59533]
Hi all, Can anybody tell me when I add static route to my default network it shows with Administrative distance of 1,whereas we know that static routes to our own interface have AD. of zero. Example C 10.77.152.128/25 is directly connected, FastEthernet1/0 S* 0.0.0.0/0 [1/0] via 10.77.152.129 is directly connected, FastEthernet1/0 Its showing here with administrative distance of 1 the route with default gateway of FastEthernet1/0. Please do clear me where I am wrong Thanx in advance Munit Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59533t=59533 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: RE: Good book(s)... [7:59534]
I think I'm keeping Amazon in business! Funny, I'm taking the opposite tack: I've pretty much stopped buying Cisco Press books, and have just started printing out PDFs from CCO. Anytime I want to learn something new, I start by doing a search for whatever it is, followed by configuration guide pdf in the search box. Usually something useful comes up. Then I just print it out on the company printer (duplex, of course), punch holes in it, and stick it in a three-ring binder - voila, instant study books. BJ Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59534t=59534 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: PHD/MS OR CCIE.....OR MAYBE BOTH...IT IS UP TO YOU [7:59520]
Hi Juan Blanco, I totally agree with all your views,Yes CCIE and PHD cant be compared.Doing PHD is really great and requires hardwork and dedication but going for CCIE also we have to be very much dedicated.It doesn't matter irrespective its value in term of longivity is less but still same dedication we require here.Anything which requires hardwork and dedication should be appreciated.So definitely CCIE people should be proud of their achivement..and they should be proud of their achievement of CCIE Tiltles Regards, Munit Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59535t=59520 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Strange problem of route table [7:59533]
all static routes have an AD of 1...whether it is using ur interface or not. all directly connected interface have an AD of 0 - Original Message - From: Munit Singla To: Sent: Thursday, December 19, 2002 4:44 PM Subject: Strange problem of route table [7:59533] Hi all, Can anybody tell me when I add static route to my default network it shows with Administrative distance of 1,whereas we know that static routes to our own interface have AD. of zero. Example C 10.77.152.128/25 is directly connected, FastEthernet1/0 S* 0.0.0.0/0 [1/0] via 10.77.152.129 is directly connected, FastEthernet1/0 Its showing here with administrative distance of 1 the route with default gateway of FastEthernet1/0. Please do clear me where I am wrong Thanx in advance Munit Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59537t=59533 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: 2514 serial port flipping between up and down, [7:59501]
Please send your configuration and debug o/p then only something could be thought off. Regards, MunitBrian wrote: you sourcing clock from one side of this or tried another cable? Brian - Original Message - From: Wei Zhu To: Sent: Wednesday, December 18, 2002 6:11 PM Subject: Re: 2514 serial port flipping between up and down, [7:59501] I also tried debug serial interface, only see myseq , other side are always 0, also the show interface serial shows the number interface resets and carrier transition are increasing all the time. Thanks - Original Message - From: Wei Zhu To: Leo Song ; Sent: Wednesday, December 18, 2002 6:37 PM Subject: Re: 2514 serial port flipping between up and down, hel [7:59426] Actually I am using DCE/DTE back to back connecting to another router(which is tested good), the line protocol is up and down continuously and count for interface resets is increasing all the time, does that mean the serial ports are bad? Thanks - Original Message - From: Leo Song To: 'Wei Zhu' ; Sent: Wednesday, December 18, 2002 11:50 AM Subject: RE: 2514 serial port flipping between up and down, hel [7:59426] Did you try to replace the v.35 cable? Leo -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Wei Zhu Sent: Wednesday, December 18, 2002 9:45 AM To: [EMAIL PROTECTED] Subject: 2514 serial port flipping between up and down, hel [7:59426] Just got one from eBay, the AUI is OK, but could not get the serials work, tried different speed, sometime at 56000 worked but not stable, other speed didn't work at all. Any suggestion? Thanks Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59536t=59501 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Strange problem of route table [7:59533]
Hi Tunde, Thanx for reply but can u tell me that I know that this static route to my own interface should have AD of 0 or am i wrong.Its mentioned in all the books. can u clarify it or give me some link where its mentioned as u have written. Regards, Munit Singla Tunde Kalejaiye wrote: all static routes have an AD of 1...whether it is using ur interface or not. all directly connected interface have an AD of 0 - Original Message - From: Munit Singla To: Sent: Thursday, December 19, 2002 4:44 PM Subject: Strange problem of route table [7:59533] Hi all, Can anybody tell me when I add static route to my default network it shows with Administrative distance of 1,whereas we know that static routes to our own interface have AD. of zero. Example C 10.77.152.128/25 is directly connected, FastEthernet1/0 S* 0.0.0.0/0 [1/0] via 10.77.152.129 is directly connected, FastEthernet1/0 Its showing here with administrative distance of 1 the route with default gateway of FastEthernet1/0. Please do clear me where I am wrong Thanx in advance Munit Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59538t=59533 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Exterior Routing Scalability (was: CCIE Vs. BS or MS [7:59539]
steve wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... hello, indeed a large problem the need for a hierarchical routing protocol ,that is effectively flat... not so far fetched. consider that the ideal would be that anyone could plug in their device, be that router, switch, wire base pc or owrkstation, or wireless device of whatever, and still reach all their services, be they internet or private network based. total mobility. i think that is impossible for the internet to ever really converge ...if it did it would indicate a lack of growth or movement which would not be good for my job prospects ! know why it took God only 6 days to create the universe? because He did not have to deal with legacy issues. i think that the industry needs more focus in this , i believe that for all intense and purposes`s the ip address is dead having a ip address limit`s your flexibility ,and any future expansion is dictated by it ..we need to find a way of doing something like this ( i DREAD writing this) fixed domain name i,e www.steve.com Multiprocessing routers and ... a Dynamic address of some format (a la` DHCP).eek dhcp .i dread it all your base qare belong to US! http://www.nulldevice.net/images/AYB1.swf ... but in order for us to achieve what the customer`s are driving for ,it`s probably the only real way to give people the flexibilty the need and want i think it may be time for the industry to start driving the customer and not the other way around...dynamic addressing can be done ,but do we WANT to do it ...i`m not sure that it wouldn't`t cause more problems than it solve`s again, look at the idea, and then consider what would have to happen for that ideal to become real. what are the implications? what would have to happen in terms of addressing, routes and routing, protocols, etc? hate to say it, but hello, IBM, and welcome back to the world of highly centralized computing. one OS to rule them all, one OS to find them, one OS to bring them all and to the network bind them ( Two Towers, tonight. Hot dawg, I can hardly wait! ) but also i think that we are approaching a time when we will HAVE no choice but to address this ...or face an internet meltdown ... the internet is only one piece of this puzzle. as Howard likes to say - what is the problem you are trying to solve? sometimes you have to go back to the root. what is the ideal? then how do we do it. well - I'll leave that to smarter people than me. at this point i back away ...stating that my intellect and knowledge of the problem is not as rounded as it needs to be to deal with this .. but ,as usual ,your answer was appreciated,and i will get on the mailing list ...(just to read) many thanks Steve - Original Message - From: Howard C. Berkowitz To: Sent: Thursday, December 19, 2002 3:13 PM Subject: Exterior Routing Scalability (was: CCIE Vs. BS or MS dergree [7:59529] At 2:39 PM + 12/19/02, steve wrote: Howard, just my 2 pence you know ... funny you should say about BGP ... I was just thinking that the other day... but I personally don`t agree with the new protocol theory... I personally don't claim to be able to do thisI can barely plug in a switch but as far as I am aware the ISP BGP world is an all seeing all knowing world were all OX amount of routes are seen by everyone ..and I believe this is where the problem lies. There's a subtle difference, and also some history here. The absolute number of routes isn't the problem. We can build perfectly good memory structures and search algorithms to find 10 million routes. The problem is the rate of change of the routes, constantly being added and withdrawn, which has a couple of significant effects. First, it's a processor load on individual routers. That can be dealt with, I think -- in fact, multiprocessing in the routing control plane is one of my research interests. The big problem comes with global instability. The Internet never really converges as a whole, and the protocol designers in the IRTF and IETF have pretty much agreed to that. When designing a routing protocol ,there is a basic problem that all designer`s face is links go up/down ...route`s appear and disappear... the more routes you have the more the protocol has to do ...regardless of how you get around this fact with fancy techniques ,there will still be a scalability problem based around a connectivity problem ,the more routes the more unstable the less your inclined to scale the protocol`s I think can probably made more efficient ,but it does not address the real problem , that is the amount of routes that a being added daily make`s any computational algorithm`s task very difficult . the only way in my humble opinion to make this more stable/scaleable is to back to
RE: RE: Good book(s)... [7:59534]
I hear ya'! One other word to mention: Gnutella. Not very safe, but much to pick and choose from, if you're careful. -Original Message- From: B.J. Wilson [mailto:[EMAIL PROTECTED]] Sent: Thursday, December 19, 2002 11:48 AM To: [EMAIL PROTECTED] Subject: Re: RE: Good book(s)... [7:59534] I think I'm keeping Amazon in business! Funny, I'm taking the opposite tack: I've pretty much stopped buying Cisco Press books, and have just started printing out PDFs from CCO. Anytime I want to learn something new, I start by doing a search for whatever it is, followed by configuration guide pdf in the search box. Usually something useful comes up. Then I just print it out on the company printer (duplex, of course), punch holes in it, and stick it in a three-ring binder - voila, instant study books. BJ Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59540t=59534 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Exterior Routing Scalability (was: CCIE Vs. BS [7:59532]
DNS based routing versus IPADD routing... this is interesting. you are gonna have to give me some grace on this as it has been a while .. but Since we know that currently DNS resolution is already employed globaly (to make things easier for the world community) and that rides on top of the IPADD routing that supports the routing structures (EBGP) then are we really talking about realigning and modifying the OSI model altogether? this reminds me of a question I use to ask engineers when I would be interviewing them for a job... one topic I would cover is the Well known port numbers i.e. ftp, snmp, dns, dhcp, pop3, etc.. so they would get on a roll and feel good that they were nailing these answers. then I would throw them off by asking: What is the well known port number for Frame Relay? Obviously this was a trick question just to catch them off guard and to see how well they knew the OSI model. More often than not they would get frustrated and be convinced that F/R does have a port number. But what if the layer 2 technologies did have port numbers? what would be next? to get back to the topic.. i would not want to contemplate the tought of the impact it would have globaly on the networking foundation of companies and the internet altogether if it were traveresed to a DNS based routing technique; it would be too much to imagine. (it would put a lot of people out of work. ;) two last questions: 1. MPLS vs. BGPv4? 2. what is the lowest cisco routing platform you would suggest for a dual homed bgp network? (i know what i will and won't suggest to customers irregardless of what anyone says, but just curious what your viepoint is, for example some people setup a 2651 to perform this task - yeah o.k. - better get ready to use that thing for a doorstop!!) Cheers! Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59541t=59532 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Exterior Routing Scalability [7:59543]
At 4:37 PM + 12/19/02, steve wrote: hello, indeed a large problem the need for a hierarchical routing protocol ,that is effectively flat... i think that is impossible for the internet to ever really converge ...if it did it would indicate a lack of growth or movement which would not be good for my job prospects ! i think that the industry needs more focus in this , There is are two requirements teams in the IRTF, and I'm a coauthor of one of the team b document, http://www.ietf.org/mail-archive/ietf-announce/Current/msg16909.html I've coauthored another draft that is more basic in terms of establishing vocabulary. http://www.ietf.org/internet-drafts/draft-eriksson-rabbit-00.txt i believe that for all intense and purposes`s the ip address is dead having a ip address limit`s your flexibility ,and any future expansion is dictated by it ..we need to find a way of doing something like this ( i DREAD writing this) fixed domain name i,e www.steve.com Multiprocessing routers and ... a Dynamic address of some format (a la` DHCP).eek dhcp .i dread it IPv6 significantly improves dynamic addressing, especially the optional protocol that sends high-level prefix information to routers. The biggest problem remains multihoming. ... but in order for us to achieve what the customer`s are driving for ,it`s probably the only real way to give people the flexibilty the need and want i think it may be time for the industry to start driving the customer and not the other way around...dynamic addressing can be done ,but do we WANT to do it ...i`m not sure that it wouldn't`t cause more problems than it solve`s One of the problems is that customers don't WANT to have to reconfigure anything. I'll point to such things as US telephone area code reassignments to show that sometimes technical requirements force the user into certain things, not the other way around. but also i think that we are approaching a time when we will HAVE no choice but to address this ...or face an internet meltdown ... at this point i back away ...stating that my intellect and knowledge of the problem is not as rounded as it needs to be to deal with this .. but ,as usual ,your answer was appreciated,and i will get on the mailing list ...(just to read) many thanks Steve - Original Message - From: Howard C. Berkowitz To: Sent: Thursday, December 19, 2002 3:13 PM Subject: Exterior Routing Scalability (was: CCIE Vs. BS or MS dergree [7:59529] At 2:39 PM + 12/19/02, steve wrote: Howard, just my 2 pence you know ... funny you should say about BGP ... I was just thinking that the other day... but I personally don`t agree with the new protocol theory... I personally don't claim to be able to do thisI can barely plug in a switch but as far as I am aware the ISP BGP world is an all seeing all knowing world were all OX amount of routes are seen by everyone ..and I believe this is where the problem lies. There's a subtle difference, and also some history here. The absolute number of routes isn't the problem. We can build perfectly good memory structures and search algorithms to find 10 million routes. The problem is the rate of change of the routes, constantly being added and withdrawn, which has a couple of significant effects. First, it's a processor load on individual routers. That can be dealt with, I think -- in fact, multiprocessing in the routing control plane is one of my research interests. The big problem comes with global instability. The Internet never really converges as a whole, and the protocol designers in the IRTF and IETF have pretty much agreed to that. When designing a routing protocol ,there is a basic problem that all designer`s face is links go up/down ...route`s appear and disappear... the more routes you have the more the protocol has to do ...regardless of how you get around this fact with fancy techniques ,there will still be a scalability problem based around a connectivity problem ,the more routes the more unstable the less your inclined to scale the protocol`s I think can probably made more efficient ,but it does not address the real problem , that is the amount of routes that a being added daily make`s any computational algorithm`s task very difficult . the only way in my humble opinion to make this more stable/scaleable is to back to the OSPF DESIGN NOT PROTOCOL... Regionalise ...create Super AS for various regions i.e US UK JP AUS...and then Tag all routes coming out .. That, indeed, is the fundamental assumption of CIDR and BGP-4. Unfortunately, we are having great market and perceptual problems in changing. You see, CIDR/BGP-4 assumed that significant aggregation in a hierarchy was possible and desirable. The Internet, in broad terms, would be a pyramid, although there would be multiple major
RE: Exterior Routing Scalability [7:59544]
DNS based routing versus IPADD routing... this is interesting. you are gonna have to give me some grace on this as it has been a while .. but Since we know that currently DNS resolution is already employed globaly (to make things easier for the world community) and that rides on top of the IPADD routing that supports the routing structures (EBGP) then are we really talking about realigning and modifying the OSI model altogether? this reminds me of a question I use to ask engineers when I would be interviewing them for a job... one topic I would cover is the Well known port numbers i.e. ftp, snmp, dns, dhcp, pop3, etc.. so they would get on a roll and feel good that they were nailing these answers. then I would throw them off by asking: What is the well known port number for Frame Relay? Obviously this was a trick question just to catch them off guard and to see how well they knew the OSI model. More often than not they would get frustrated and be convinced that F/R does have a port number. But what if the layer 2 technologies did have port numbers? what would be next? to get back to the topic.. i would not want to contemplate the tought of the impact it would have globaly on the networking foundation of companies and the internet altogether if it were traveresed to a DNS based routing technique; it would be too much to imagine. (it would put a lot of people out of work. ;) two last questions: 1. MPLS vs. BGPv4? 2. what is the lowest cisco routing platform you would suggest for a dual homed bgp network? Cheers! Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59544t=59544 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: Howdy to All [7:59521]
Brian Zeitz wrote: I have not met anyone who liked the new Cisco site. I have tons of errors and problems, I don't know what language the site is done in but it pretty bad. When you try to contact Cisco about it, and no one gets back to you. And when they do contact me back, they don't know why the error is occurring. I would rather have the site designed like a command prompt then to have the same thing 17 places on each page. Sometimes I am tempted to load the old site, but then I get old information. How many people have to complain before they change this? Try something else, whatever you are using is not working. I have seen teenagers make a better interface then this. On the first page, you have drop downs, which contain the same things as the links. And the +/- is annoying too. Cisco tends to try to use the underdog technologies when it doesn't have to do directly with network equipment. They need to stop getting cute with this stuff because it is very annoying. I also just got a new Cisco document CD, like 5 out of 10 of the links do not work. It would be very easy to figure this out and correct the problem. And don't get excited if you find any links to PDF on the document CD, most of them are missing. Ever hear of a QA department? Ever hear of downsizing and not hiring to replace the people you let go? ;-) I think, just like other companies, Cisco employees are doing 2 or 3 people's jobs and stuff is falling through the cracks. Priscilla -Original Message- From: David Ristau [mailto:[EMAIL PROTECTED]] Sent: Thursday, December 19, 2002 8:43 AM To: [EMAIL PROTECTED] Subject: Howdy to All [7:59521] Just wanted to give a general shout out to all, I'm new here, figured I'd need some help with some study issues. been a CCNA for about 2 1/2 years, looking to pass CCNP exams by August 2003, been working on switching as my first exam. needed a place to vent, looking around here yesterday I cam across a (not known by me) exam 640-901, a little research found it a replacment routing exam, thats ok, oh crap, I'm still studying for the 640-50x exam series. I hate the new cisco site, can't find any good certification material, I actually had to search google and the first links were to cisco web sie exactly what I needed, ciriculum for the 640-60X exam series. looking at the curiculum for the 640-604 switching exam, there is nothing on HSRP or ATM Lane, could this be true ? they are quite complex concepts, the exam looks mich easier if these 2 subjects are left off, though multicast will still be a bear. anyway, just wanted to say hi to everyone, and I look forward to participating and helping out whenever I can. have a good day !!! Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59542t=59521 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Exterior Routing Scalability (was: CCIE Vs. BS [7:59532]
At 5:56 PM + 12/19/02, test test wrote: DNS based routing versus IPADD routing... this is interesting. you are gonna have to give me some grace on this as it has been a while .. but Since we know that currently DNS resolution is already employed globaly (to make things easier for the world community) and that rides on top of the IPADD routing that supports the routing structures (EBGP) then are we really talking about realigning and modifying the OSI model altogether? First, for these purposes, the OSI model really doesn't apply. Second, DNS has been researched for this purpose. Unless it's so redefined as to become something else, it won't work. Tony Li brought it up before NANOG a few years ago and was shot down in flames. to get back to the topic.. i would not want to contemplate the tought of the impact it would have globaly on the networking foundation of companies and the internet altogether if it were traveresed to a DNS based routing technique; it would be too much to imagine. (it would put a lot of people out of work. ;) two last questions: 1. MPLS vs. BGPv4? MPLS is a forwarding technique. BGP plays a role in giving potential path information to RSVP, which does the actual path setup. The two protocols solve different, admittedly related, problems. MPLS is primarily forwarding oriented. 2. what is the lowest cisco routing platform you would suggest for a dual homed bgp network? If you aren't taking full routes, a 2501, or even an IGS. (i know what i will and won't suggest to customers irregardless of what anyone says, but just curious what your viepoint is, for example some people setup a 2651 to perform this task - yeah o.k. - better get ready to use that thing for a doorstop!!) Cheers! Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59545t=59532 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
their network diagrams are buggy [7:59230]
The topology diagram given has at least 3 errors. I wasted a few hours figuring this out. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59546t=59230 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
their network diagrams are buggy [7:59230]
The topology diagram given has at least 3 errors. I wasted a few hours figuring this out. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59547t=59230 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: their network diagrams are buggy [7:59230]
what are u reffering out please be clear McAllister Paul wrote: The topology diagram given has at least 3 errors. I wasted a few hours figuring this out. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59548t=59230 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
confreg 0x2132 instead of confreg 0x2142 [7:59549]
I tried to do a password recovery on a 2600 router. I typed a confreg 0x2132 instead of confreg 0x2142 and reset the router. After the router reload, I only see the weird character display on my terminal. How do I fix ? Thanks in advance. __ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59549t=59549 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: confreg 0x2132 instead of confreg 0x2142 [7:59549]
Go to the rom monitor mode and change your configuration register value. Press break key with in 60 seconds of router reboot,you will enter thier. then enter--- confreg 0x2142 sync -i(to reload) or use reset thats all bye Munit [EMAIL PROTECTED] wrote: I tried to do a password recovery on a 2600 router. I typed a confreg 0x2132 instead of confreg 0x2142 and reset the router. After the router reload, I only see the weird character display on my terminal. How do I fix ? Thanks in advance. __ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59551t=59549 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: confreg 0x2132 instead of confreg 0x2142 [7:59549]
Try changing your terminal speed to 19200 baud. 0x2132 sets the console baud rate to 19200. Ted Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59550t=59549 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: CCIE Vs. BS or MS dergree [7:59481]
wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... That is a very interesting question for me; Yestarday I went for a lunch with a friend that got his MS on Economy, and I asked him: - What do you think it would be better? Either use my time and energy to get certificate or go for a MS or MBA? He said: - Absolutely go to the Certification process. I asked him why, and he told me: - I just started to teach a certification course for professionals in Economic. It is an international certification, like the CCIE. The people who are taking this course could take a MBA or MS, because it is so expensive and time consuming as the others. But they need to take the certification because of its rigorous exam. I think the same is for the networing area. Will the MS represent that you has a good acknowledgment of an area? Unfortunately I know there are schools where you can finish the course without really knowing that much. I think a more fair comparison to make is to compare the CCIE vs. a degree from a prestigious school. I agree that getting a master's from a no-name place isn't going to do much for you. Also, it should be understood that often times it is not really the point to learn something while you're at school - the real value is in meeting people and getting access to a wide range of contacts. Why is the MBA from Harvard so coveted? Because it gives you entree to perhaps the most select and powerful group of alumni in the world. Let's face it - in the business world, it's not really what you know, it's who you know. At other side, it is really important, for all the explanations that was given, that you get also your BS and MS. Mic shoeps @groupstudy.com em 18/12/2002 15:37:59 Favor responder a Mic shoeps Enviado Por: [EMAIL PROTECTED] Para: [EMAIL PROTECTED] cc: Assunto:CCIE Vs. BS or MS dergree [7:59481] Hello I've been arguing with a collegue of mine which one would be tougher to achieve. I told him that it would be much more harder to have a computer science or a networking degree (you have to take the GRE and complete 2 or 3 years of school works) than a CCIE, but my collegue think other wise. He literally believes that having a CCIE is equivalent of having a Ph.d in Networking. I'd like to hear your thought. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59552t=59481 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Off Topic but interesting - RS networking future? [7:59553]
J.D. Chaiken wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... I would have to disagree with you on some of your points. More often than not predictions turn out to be wrong. I believe this is incorrect, and I've actually talked about this with other people on this board. It's not that most predictions are incorrect. It's that most predictions are boring. Consider this. I can predict that if you smoke, you will injure your health. In fact, every doctor in the world will tell you that. But everybody already knows that smoking is unhealthy. So it's boring, and you will probably pay no attention. It's still a prediction though - it's not guaranteed that if you smoke, you will have bad health. The only time we pay attention to predictions are if they are, first of all, not boring, and second of all, if they're wrong. That's why we tend to think that many more predictions are wrong than they appear. It's that the obvious and boring predictions are quickly forgotten about. Consider a simple economic prediction. For example, I can predict that the US economy in the next 5 years is not going to be dominated by the steel industry. I doubt that anybody would disagree. It is possible that the economy will indeed be dominated by steel - but how likely is that? It's a boring prediction that nobody cares about, but still a prediction. Take Wall street for a bad example. There's no doubt in my mind that major changes will occur in the IT industry. Of the dozens of new technologies that become available each year, some of them will most certainly mature. Most of them will fail, and if you could tell me exactly which ones would succeed then there's no point in working at all. Just invest in the successful ones, rake in the money, and do IT work for free because you love it. On the other hand, surely you will agree that some possible changes are a lot less likely than others. It is extremely unlikely that the world is going to be moving back to, say, Banyan Vines, for example. It is possible - but very very unlikely. It's all a matter of judging likelihoods. Obviously nobody has a crystal ball, but there is still common sense you can apply to ascertain which changes are likely to happen and which changes are not. I agree with you on some points though. In the US, I doubt there's going to be a buildout boom anytime soon, and RS skills may not be as profitable now as they were just a few years ago. But by no means do I think that the skills are not valuable. For the next couple of years I believe that in order to prosper you'll need to develop other skills (as with every industry, but especially with IT) . The skillset that Doctors and Lawyers possessed 20 years ago is all but obsolete now; Which is why they are required to continue their education with continuing education courses. Right, and that's exactly my point. Unfortunately there still continue to be people who think that R/S is all they need in their toolkit. I think a lot of people want to believe it's still 1999. Remember that most of the world is still underdeveloped. Take China for instance. if just 1% china went out and bought a computer and hoped to connect to the internet, those RS skills would be heavily in demand, throw in all the developing former Iron Curtain nations, and the continents of Africa and much of South America, and you have plenty of RS job openings. I have full faith in the power of capitalism, I'm certain that eventually the undeveloped countries will develop, and they are going to need qualified, experienced people to help them out. I would posit the situation where IP networking really does become plugplay and super-reliable - like the way electricity is today in the West. In such a case, a boom in IP buildout doesn't necessarily mean much of a boom (probably only a mild boom) in R/S skills - because IP networking was made easy. And furthermore, most of the boom in jobs would occur locally to where the buildout occurred. Just like if most of the Third World electrified itself, it wouldn't mean that electricians in the West would be sitting pretty. There would be more demand for electricians in Africa, but not really for more electricians in the United States. Security is hot this year, and next year it could be something else. Working in the IT industry means that you will need to rebuild you entire skillset every few years. I believe that Cisco realizes that, which is why recertification is so important. It won't surprise me at all if the CCIE tracks appear to converge a bit more in the next 3 to 6 years. Gone are the days when you started your career and retired with the same skillsets, and I wouldn't want it any other way. Jarett nrf wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... Marc Thach Xuan Ky wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... A few points: When I was fresh in the
Re: confreg 0x2132 instead of confreg 0x2142 [7:59549]
Hey what i supect is hyperterminal settings problem.Please do confirm whether u have thse settings.. Bits per sec: 9600 Data bits : 8 Parity : none Stop bits : 1 Flow control: none moreover still then try changing properties vty type/or speed if u have changed the default speed on the router earlier refer to this link http://www.cisco.com/warp/public/63/terminal_settings.html moreover if still not working then do write ,we will look some other method if possible. Munit Ps: do cc to group too so that some body may also look into the problem and probably suggest a better sol. [EMAIL PROTECTED] wrote: I am using hyperterminal. After I hit the break key, I tried to enter the command but terminal display only show me some werid character. It like the router does not understand the characte I enter. Any thought? Thanks --- Munit Singla wrote: Go to the rom monitor mode and change your configuration register value. Press break key with in 60 seconds of router reboot,you will enter thier. then enter--- confreg 0x2142 sync -i(to reload) or use reset thats all bye Munit [EMAIL PROTECTED] wrote: I tried to do a password recovery on a 2600 router. I typed a confreg 0x2132 instead of confreg 0x2142 and reset the router. After the router reload, I only see the weird character display on my terminal. How do I fix ? Thanks in advance. __ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com [EMAIL PROTECTED] __ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59554t=59549 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: confreg 0x2132 instead of confreg 0x2142 [7:59549]
Ted great, can u refer me doc for this settings and speed regarding this I couldn't find Regards, Munit. Ted Marinich wrote: Try changing your terminal speed to 19200 baud. 0x2132 sets the console baud rate to 19200. Ted Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59555t=59549 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: Howdy to All [7:59521]
David, Welcome - although, I'm pretty new here too, but just the same Welcome! Switching exam is a good start. Take the Dial-up next. Save the tough ones for last! Ted Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59557t=59521 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: 2514 serial port flipping between up and down, [7:59501]
This may be dumb question, but I have seen this happen when connecting a high speed port to a low speed port. One side is default to 1544 and the other cannot do better than 64K. So, what are you connecting to, specifically - 2514 to 2522? Again, I might not be in the loop, but thought I would put my two cents in here. I did experience the exact same problem and my fix was to set the right speed on the 2501 to connect to a low speed router interface on a 2522. Ted Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59558t=59501 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: What would be most valuable [7:59475]
I agree! I use C quite frequently, as a hobby and to do creative things at work. I use Linux and FreeBSD to monitor our network infrastructure and the C come in handy to adding to it or creating cool cgi scripting. You will gain from the insight even if you never use it. JAVA was created using C++ - if that means anything to you. Ted Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59559t=59475 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Strange problem of route table [7:59533]
all static routes have an AD of 1...whether it is using ur interface or not. all directly connected interface have an AD of 0 Hi all, Can anybody tell me when I add static route to my default network it shows with Administrative distance of 1,whereas we know that static routes to our own interface have AD. of zero. Example C 10.77.152.128/25 is directly connected, FastEthernet1/0 S* 0.0.0.0/0 [1/0] via 10.77.152.129 is directly connected, FastEthernet1/0 Its showing here with administrative distance of 1 the route with default gateway of FastEthernet1/0. Please do clear me where I am wrong Thanx in advance Munit When using static routes: A route pointing to another IP address has an AD of 1 A route pointing to an interface has an AD of 0 -chris Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59560t=59533 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Strange problem of route table [7:59533]
Hi, Static routes can either have the AD of 1 or 0 depending on the way you add them to your router. e.g lates RouterA interface FE0=192.168.0.1/27 and it is connected to RouterB FE1=192.168.0.2/27 FE3=10.1.0.1/24. To define route to 10.1.0.1/24 on RouterA you have two methods. 1. RouterA# IP route 10.0.0.0 255.255.255.0 192.168.0.2 (AD=1) 2. RouterA#IP route 10.0.0.0 255.255.255.0 FE0 (AD=0) If both commands are entered option 2 will be the prefered route. So you are correct, choose the one you prefer, it also depends whether you want to do load balancing, floating static route, etc... Regards. Godswill Oletu - Original Message - From: Munit Singla To: Sent: Thursday, December 19, 2002 11:44 AM Subject: Strange problem of route table [7:59533] Hi all, Can anybody tell me when I add static route to my default network it shows with Administrative distance of 1,whereas we know that static routes to our own interface have AD. of zero. Example C 10.77.152.128/25 is directly connected, FastEthernet1/0 S* 0.0.0.0/0 [1/0] via 10.77.152.129 is directly connected, FastEthernet1/0 Its showing here with administrative distance of 1 the route with default gateway of FastEthernet1/0. Please do clear me where I am wrong Thanx in advance Munit Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59561t=59533 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: confreg 0x2132 instead of confreg 0x2142 [7:59549]
Here's a doc that covers the config register by bit. Keep in mind that the bits are numbered right to left starting with zero at the rightmost. Watch the wrap. http://cco-rtp-1.cisco.com/en/US/products/hw/routers/ps282/products_installa tion_guide_chapter09186a008007dfd0.html So 0x2132. The 3 covers bits number 4 and 5. Four is not significant. If 5 is set then the console speed is 19200. See also (watch the wrap) http://www.cisco.com/en/US/products/hw/routers/ps259/products_installation_g uide_chapter09186a008007e02e.html Tells how to change console speed settings from the rommon prompt. -Original Message- From: Munit Singla [mailto:[EMAIL PROTECTED]] Sent: Thursday, December 19, 2002 3:07 PM To: [EMAIL PROTECTED] Subject: Re: confreg 0x2132 instead of confreg 0x2142 [7:59549] Ted great, can u refer me doc for this settings and speed regarding this I couldn't find Regards, Munit. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59562t=59549 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Howdy to All [7:59521]
I recommend the tough exams first as u all you will have the concepts so go gor routing first. Ted Marinich wrote: David, Welcome - although, I'm pretty new here too, but just the same Welcome! Switching exam is a good start. Take the Dial-up next. Save the tough ones for last! Ted Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59563t=59521 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
ip routing/ixp routing command ?Dumb Ques.? [7:59564]
When or why does one have to enter: ip routing or ipx routing command? I noticed, that on some of my test routers, the router ospf # command doesn't take, if ip routing command hasn't been entered in first. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59564t=59564 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Strange problem of route table [7:59533]
Hi Godswill, Thanx for reply.I agree with u,but Still the doubt persists if both the commands are used then both entries come to the route table.As per your and mine theory also only better administrative distance should come into the route table,but here both are introduced into the route table ,as it seems it has administrative distance of 1 for default gateway of its own interface(obviosly zero is preffered then one)? Why both entries in route table. As confusion is creating from different answers so please reply ,so that all confusions are over. Regards, Munit Godswill Oletu wrote: Hi, Static routes can either have the AD of 1 or 0 depending on the way you add them to your router. e.g lates RouterA interface FE0=192.168.0.1/27 and it is connected to RouterB FE1=192.168.0.2/27 FE3=10.1.0.1/24. To define route to 10.1.0.1/24 on RouterA you have two methods. 1. RouterA# IP route 10.0.0.0 255.255.255.0 192.168.0.2 (AD=1) 2. RouterA#IP route 10.0.0.0 255.255.255.0 FE0 (AD=0) If both commands are entered option 2 will be the prefered route. So you are correct, choose the one you prefer, it also depends whether you want to do load balancing, floating static route, etc... Regards. Godswill Oletu - Original Message - From: Munit Singla To: Sent: Thursday, December 19, 2002 11:44 AM Subject: Strange problem of route table [7:59533] Hi all, Can anybody tell me when I add static route to my default network it shows with Administrative distance of 1,whereas we know that static routes to our own interface have AD. of zero. Example C 10.77.152.128/25 is directly connected, FastEthernet1/0 S* 0.0.0.0/0 [1/0] via 10.77.152.129 is directly connected, FastEthernet1/0 Its showing here with administrative distance of 1 the route with default gateway of FastEthernet1/0. Please do clear me where I am wrong Thanx in advance Munit Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59565t=59533 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: ip routing/ixp routing command ?Dumb Ques.? [7:59564]
meidinger wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... When or why does one have to enter: ip routing on by default, at least in the more recent IOS images or ipx routing command? any time you want to add IPX routing capability to a router that doesn't already have it. assuming the correct IOS. I noticed, that on some of my test routers, the router ospf # command doesn't take, if ip routing command hasn't been entered in first. you sure this isn't because you don't have an ip address configured on at least one interface? Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59567t=59564 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: confreg 0x2132 instead of confreg 0x2142 [7:59549]
Thanx Daniel Regards, Munit Daniel Cotts wrote: Here's a doc that covers the config register by bit. Keep in mind that the bits are numbered right to left starting with zero at the rightmost. Watch the wrap. http://cco-rtp-1.cisco.com/en/US/products/hw/routers/ps282/products_installa tion_guide_chapter09186a008007dfd0.html So 0x2132. The 3 covers bits number 4 and 5. Four is not significant. If 5 is set then the console speed is 19200. See also (watch the wrap) http://www.cisco.com/en/US/products/hw/routers/ps259/products_installation_g uide_chapter09186a008007e02e.html Tells how to change console speed settings from the rommon prompt. -Original Message- From: Munit Singla [mailto:[EMAIL PROTECTED]] Sent: Thursday, December 19, 2002 3:07 PM To: [EMAIL PROTECTED] Subject: Re: confreg 0x2132 instead of confreg 0x2142 [7:59549] Ted great, can u refer me doc for this settings and speed regarding this I couldn't find Regards, Munit. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59566t=59549 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Strange problem of route table [7:59533]
Hi Chris, Hi the why its showing in the rout table.I have already given my route table.Please refer it and do clear my confusion. Regards, Munit chris kane wrote: all static routes have an AD of 1...whether it is using ur interface or not. all directly connected interface have an AD of 0 Hi all, Can anybody tell me when I add static route to my default network it shows with Administrative distance of 1,whereas we know that static routes to our own interface have AD. of zero. Example C 10.77.152.128/25 is directly connected, FastEthernet1/0 S* 0.0.0.0/0 [1/0] via 10.77.152.129 is directly connected, FastEthernet1/0 Its showing here with administrative distance of 1 the route with default gateway of FastEthernet1/0. Please do clear me where I am wrong Thanx in advance Munit When using static routes: A route pointing to another IP address has an AD of 1 A route pointing to an interface has an AD of 0 -chris Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59568t=59533 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: ip routing/ixp routing command ?Dumb Ques.? [7:59564]
ip routing is by default enabled.need to enable ipx routing if we are using ipx..thats all.ospf only runs on ip so by default ip routing is enabled if u have disabled it ,u have to enable it thats all. Bye meidinger wrote: When or why does one have to enter: ip routing or ipx routing command? I noticed, that on some of my test routers, the router ospf # command doesn't take, if ip routing command hasn't been entered in first. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59570t=59564 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: confreg 0x2132 instead of confreg 0x2142 [7:59549]
Hi, Your problem is the line speed. Register value 0x2132 specifies the line speed. Change it and you will sleep well tonight otherwise, declare no-sleep on yourself... Further reading : http://www.cisco.com/en/US/products/hw/routers/ps233/products_tech_note09186 a00800a65a5.shtml Regards. Godswill - Original Message - From: To: Sent: Thursday, December 19, 2002 2:41 PM Subject: confreg 0x2132 instead of confreg 0x2142 [7:59549] I tried to do a password recovery on a 2600 router. I typed a confreg 0x2132 instead of confreg 0x2142 and reset the router. After the router reload, I only see the weird character display on my terminal. How do I fix ? Thanks in advance. __ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59571t=59549 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: confreg 0x2132 instead of confreg 0x2142 [7:59549]
Odd - this link didn't work for me until I replaced the cco-rtp-1 host with plain ol' www...if anyone else had this problem, give it a shot. http://cco-rtp-1.cisco.com/en/US/products/hw/routers/ps282/products_installa tion_guide_chapter09186a008007dfd0.html BJ Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59569t=59549 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
MLS related [7:59572]
Hi all, is it required to issue 'mls rp vtp-domain [domain-name]'on the logical interfaces of an integrated router (MSFC for 6509MLS)? Regs., Prasad. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59572t=59572 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Strange problem of route table [7:59533]
Hi Munit, Let assume you put both coomands say: 1. IP route 10.0.0.0 255.255.255.0 172.16.0.1 2. IP route 10.0.0.0 255.255.255.0 FE1 since the AD of 1 is 1 and that of 2 is 0, option 2 will be the prefered route for any routing activity to network 172.16.0.1. The route defined by option 1 will be a floating route to the same network, it will not be in your rotuing table. Remember the routing rule, 'Only prefered routes are selected and inserted into the routing table option one will only show in the routing table if by some means option become unavailable or fails. Try then on your router and see. If you enter both commands on ur router and implement 'Sh ip route' you will only see the route defined by option 2, however if you remove the option 2 command, the route defined by option 1 will surface in your 'sh ip route' I hope this will help you. Regards. Godswill - Original Message - From: Munit Singla To: Godswill Oletu Cc: [EMAIL PROTECTED] Sent: Thursday, December 19, 2002 5:56 PM Subject: Re: Strange problem of route table [7:59533] Hi Godswill, Thanx for reply.I agree with u,but Still the doubt persists if both the commands are used then both entries come to the route table.As per your and mine theory also only better administrative distance should come into the route table,but here both are introduced into the route table ,as it seems it has administrative distance of 1 for default gateway of its own interface(obviosly zero is preffered then one)? Why both entries in route table. As confusion is creating from different answers so please reply ,so that all confusions are over. Regards, Munit Godswill Oletu wrote: Hi, Static routes can either have the AD of 1 or 0 depending on the way you add them to your router. e.g lates RouterA interface FE0=192.168.0.1/27 and it is connected to RouterB FE1=192.168.0.2/27 FE3=10.1.0.1/24. To define route to 10.1.0.1/24 on RouterA you have two methods. 1. RouterA# IP route 10.0.0.0 255.255.255.0 192.168.0.2 (AD=1) 2. RouterA#IP route 10.0.0.0 255.255.255.0 FE0 (AD=0) If both commands are entered option 2 will be the prefered route. So you are correct, choose the one you prefer, it also depends whether you want to do load balancing, floating static route, etc... Regards. Godswill Oletu - Original Message - From: Munit Singla To: Sent: Thursday, December 19, 2002 11:44 AM Subject: Strange problem of route table [7:59533] Hi all, Can anybody tell me when I add static route to my default network it shows with Administrative distance of 1,whereas we know that static routes to our own interface have AD. of zero. Example C 10.77.152.128/25 is directly connected, FastEthernet1/0 S* 0.0.0.0/0 [1/0] via 10.77.152.129 is directly connected, FastEthernet1/0 Its showing here with administrative distance of 1 the route with default gateway of FastEthernet1/0. Please do clear me where I am wrong Thanx in advance Munit Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59573t=59533 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
PIX and the Activation Key [7:59574]
Greetings, I have been given the opportunity to install/configure a new 506E pix firewall which our client had purchased from another supplier. Configuring it to provide basic connectivity seemed somewhat linear (I will not be using any IPsec features ;) ), the client had also purchased a 168 bit licence key. Ok, my question is, what am I supposed to do with this serial number provided on a (official-looking) document that accompanied the pix? I thought the pix would prompt me for an activation key after booting the flash, as explained in this url, http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_installation_g uide_chapter09186a0080089812.html#xtocid38 ? however, it booted up normally into the default prompt ( pixfirewall ). Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59574t=59574 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
memory question [7:59575]
I recently bought a couple of routers. I was told that both have 4MB of DRAM. How can I find out? Both use IOS (a 2511 and a 2522). Thanks in advance. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59575t=59575 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
memory question [7:59576]
I recently bought a couple of routers. I was told that both have 4MB of DRAM. How can I find out? Both use IOS (a 2511 and a 2522). Thanks in advance. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59576t=59576 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: memory question [7:59575]
show version show flash [ detail ] [ chips ] -- TANSTAAFL there ain't no such thing as a free lunch wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... I recently bought a couple of routers. I was told that both have 4MB of DRAM. How can I find out? Both use IOS (a 2511 and a 2522). Thanks in advance. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59577t=59575 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
campus LAN design w/DHCP server [7:59578]
Sorry if this is a dumb question! ;-) I want to make sure this design will work before implementing it. The customer has been using 192.168.168.0/24 in one small flat LAN. He has run out of these addresses and is being hit by performance issues related to broadcasts. He wants to implement subnets and VLANs: VLAN 100 192.168.168.0/24 VLAN 200 192.168.169.0/24 New design: Internet | s0 2600 router e1 --- public servers e0 | dot1q trunk switch VLAN 200 VLAN 100 There is just one DHCP server. It will be in VLAN 100, address 192.168.168.10. The DHCP server will have 2 scopes for the 2 subnets. We're going to do inter-VLAN routing on the 2600 router. Will this config work as far as DHCP is concerned? interface ethernet 0 no ip address interface ethernet 0.1 encapsulation dot1q 100 ip address 192.168.168.1 255.255.255.0 interface ethernet 0.2 encapsulation dot1q 200 ip address 192.168.169.1 255.255.255.0 ip helper-address 192.168.168.10 Devices in VLAN 100 will broadcast and get to the DHCP server directly. The DHCP server is in their VLAN/subnet. Devices in VLAN 200 will broadcast. The router will hopefully pick up the broadcast, convert it to a unicast to the DHCP server and send it back out e0, with the GIADDR address filled in so the server will use the right scope. Sounds like it should work, but for some unknown reason, I couldn't find an example that showed this. Thanks so much for your help. You could save my Christmas by helping me verify (or poke holes) in this design! I just wanted to check on the DHCP aspect at this point. I can fix up the NAT and routing. My brain stopped working after the last egg nog, so help is needed! :-) Priscilla Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59578t=59578 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: CCIE Vs. BS or MS dergree [7:59481]
What's more difficult? a) Memorizing configuration scenerios and commands on a Cisco router b) Understanding Calculus, Differential Equations, Numerical Analysis, Chemistry, Physics and Electrical Engineering well enough to create a meaningful experiment. One of my friends is working on his masters in Physics right now. What he's working on makes the CCIE look like a walk through the park. Seriously, what if the recommended reading list for the CCIE exam looked like this: Physics I and II Calculus I,II,III Differential Equations Mechanics Circuit Analysis I and II Linear Systems Thermodynamics Quantum Mechanics Optics Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59579t=59481 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: campus LAN design w/DHCP server [7:59578]
Priscilla, I'm sure someone can verify this with a 2600 specifically. As far as DHCP in general, yes. We just did this with a much larger 6509-based network. No problems. The only difference, of course, is that the MSFC has virtual router interfaces per VLAN - not subinterfaces on a router on a stick. Can't see why DHCP itself would know or care. But I guess you can't know for sure what that subinterface on the 2600 will do until someone specifically verifies it. If you don't get such a response, I've got a 2600 laying around at the moment. I'll dig up a switch, set up a DHCP server, and mock 'er up for ya. Won't take long at all. Regards, Scott Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59580t=59578 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: PIX and the Activation Key [7:59574]
Depending on the version of PIX code the unit is running, you might not have to do too much. First, go to your PIX, and issue the 'Show Version' command. If you are running 6.1 or higher (I believe), you can go into config mode and issue the 'activation-key' command followed by the 4 sets of alpha-numeric characters. This will install the 3DES license on the PIX. The alpha-numerics you enter are not derived from the official-looking document. Rather, you are supposed to go onto the CCO site, and under the PIX registration page, you will have a link for requesting your PIX Activation Code. You submit the Serial Number of the PIX (found on the back or bottom of the unit) and the alpha-numerics found on the document. In return, you'll receive an email with the activation code. That activation code is what you enter at the PIX console. Now, all the code acquisition process aside, if you are running an older version of PIX OS, then you have to tftp the PIX OS to a tftp or http server, and then pull it back from the tftp/http server while in ROMMON mode. This basically is like you're installing the PIX OS. At the end of the download process to the PIX, and right after you reboot it, you'll be prompted to enter new activation keys. This is where you enter the alpha-numerics acquired from Cisco via Email. Good Luck! -Mark -Original Message- From: dlci_16 [mailto:[EMAIL PROTECTED]] Sent: Thursday, December 19, 2002 5:59 PM To: [EMAIL PROTECTED] Subject: PIX and the Activation Key [7:59574] Greetings, I have been given the opportunity to install/configure a new 506E pix firewall which our client had purchased from another supplier. Configuring it to provide basic connectivity seemed somewhat linear (I will not be using any IPsec features ;) ), the client had also purchased a 168 bit licence key. Ok, my question is, what am I supposed to do with this serial number provided on a (official-looking) document that accompanied the pix? I thought the pix would prompt me for an activation key after booting the flash, as explained in this url, http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_installat ion_g uide_chapter09186a0080089812.html#xtocid38 ? however, it booted up normally into the default prompt ( pixfirewall ). Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59581t=59574 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: MLS related [7:59572]
no, only when you connect to external router with physical interface. - Original Message - From: puro prasad To: Sent: Thursday, December 19, 2002 6:43 PM Subject: MLS related [7:59572] Hi all, is it required to issue 'mls rp vtp-domain [domain-name]'on the logical interfaces of an integrated router (MSFC for 6509MLS)? Regs., Prasad. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59582t=59572 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: 2514 serial port flipping between up and down, [7:59501]
I tried to connect to 2501, even use DCE/DTE to interconnect serial0 and serial1 on 2514, seems the signal cannot go to the line. Thank you. - Original Message - From: Ted Marinich To: Sent: Thursday, December 19, 2002 5:28 PM Subject: Re: 2514 serial port flipping between up and down, [7:59501] This may be dumb question, but I have seen this happen when connecting a high speed port to a low speed port. One side is default to 1544 and the other cannot do better than 64K. So, what are you connecting to, specifically - 2514 to 2522? Again, I might not be in the loop, but thought I would put my two cents in here. I did experience the exact same problem and my fix was to set the right speed on the 2501 to connect to a low speed router interface on a 2522. Ted Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59583t=59501 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: memory question [7:59575]
do a show hardware command or a show version sjc5-row13-cs3#sh ver System image file is flash:c2500-i-l.112-5.P, booted via flash cisco AS2511-RJ (68030) processor (revision I) with 2048K/2048K bytes of memory. 8192K bytes of processor board System flash (Read ONLY) Configuration register is 0x2102 [EMAIL PROTECTED] wrote: I recently bought a couple of routers. I was told that both have 4MB of DRAM. How can I find out? Both use IOS (a 2511 and a 2522). Thanks in advance. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59585t=59575 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: campus LAN design w/DHCP server [7:59578]
No more drinks for you, pris Design seems like it will work...till an intern puts up a nother dhcp server on the same vlan and people get wrong address's :-P Priscilla Oppenheimer wrote: Sorry if this is a dumb question! ;-) I want to make sure this design will work before implementing it. The customer has been using 192.168.168.0/24 in one small flat LAN. He has run out of these addresses and is being hit by performance issues related to broadcasts. He wants to implement subnets and VLANs: VLAN 100 192.168.168.0/24 VLAN 200 192.168.169.0/24 New design: Internet | s0 2600 router e1 --- public servers e0 | dot1q trunk switch VLAN 200 VLAN 100 There is just one DHCP server. It will be in VLAN 100, address 192.168.168.10. The DHCP server will have 2 scopes for the 2 subnets. We're going to do inter-VLAN routing on the 2600 router. Will this config work as far as DHCP is concerned? interface ethernet 0 no ip address interface ethernet 0.1 encapsulation dot1q 100 ip address 192.168.168.1 255.255.255.0 interface ethernet 0.2 encapsulation dot1q 200 ip address 192.168.169.1 255.255.255.0 ip helper-address 192.168.168.10 Devices in VLAN 100 will broadcast and get to the DHCP server directly. The DHCP server is in their VLAN/subnet. Devices in VLAN 200 will broadcast. The router will hopefully pick up the broadcast, convert it to a unicast to the DHCP server and send it back out e0, with the GIADDR address filled in so the server will use the right scope. Sounds like it should work, but for some unknown reason, I couldn't find an example that showed this. Thanks so much for your help. You could save my Christmas by helping me verify (or poke holes) in this design! I just wanted to check on the DHCP aspect at this point. I can fix up the NAT and routing. My brain stopped working after the last egg nog, so help is needed! :-) Priscilla Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59586t=59578 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: campus LAN design w/DHCP server [7:59578]
Maybe what I really need for Christmas is a new router. ;-) My routers are too old to do this sort of stuff. It would be terrific if you could mock it up. I'm just not totally conviced the router will behave the way it obviously should. Could be the egg nog though. Thank-you. I am indebted to you! Priscilla s vermill wrote: Priscilla, I'm sure someone can verify this with a 2600 specifically. As far as DHCP in general, yes. We just did this with a much larger 6509-based network. No problems. The only difference, of course, is that the MSFC has virtual router interfaces per VLAN - not subinterfaces on a router on a stick. Can't see why DHCP itself would know or care. But I guess you can't know for sure what that subinterface on the 2600 will do until someone specifically verifies it. If you don't get such a response, I've got a 2600 laying around at the moment. I'll dig up a switch, set up a DHCP server, and mock 'er up for ya. Won't take long at all. Regards, Scott Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59587t=59578 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: MLS related [7:59572]
Dear Wei, thanks for the reply. Anyway if the command is run on any of the interfaces, should this affect in anyway. I just wanna check this cuz the 'sh mls rp' command on my msfc is not listing the switches in the domain. Any inputs?? Regs., Prasad. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59588t=59572 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: PIX and the Activation Key [7:59574]
activation-key commands only works with version 6.2.x or higher Mark W. Odette II wrote:Depending on the version of PIX code the unit is running, you might not have to do too much. First, go to your PIX, and issue the 'Show Version' command. If you are running 6.1 or higher (I believe), you can go into config mode and issue the 'activation-key' command followed by the 4 sets of alpha-numeric characters. This will install the 3DES license on the PIX. The alpha-numerics you enter are not derived from the official-looking document. Rather, you are supposed to go onto the CCO site, and under the PIX registration page, you will have a link for requesting your PIX Activation Code. You submit the Serial Number of the PIX (found on the back or bottom of the unit) and the alpha-numerics found on the document. In return, you'll receive an email with the activation code. That activation code is what you enter at the PIX console. Now, all the code acquisition process aside, if you are running an older version of PIX OS, then you have to tftp the PIX OS to a tftp or http server, and then pull it back from the tftp/http server while in ROMMON mode. This basically is like you're installing the PIX OS. At the end of the download process to the PIX, and right after you reboot it, you'll be prompted to enter new activation keys. This is where you enter the alpha-numerics acquired from Cisco via Email. Good Luck! -Mark -Original Message- From: dlci_16 [mailto:[EMAIL PROTECTED]] Sent: Thursday, December 19, 2002 5:59 PM To: [EMAIL PROTECTED] Subject: PIX and the Activation Key [7:59574] Greetings, I have been given the opportunity to install/configure a new 506E pix firewall which our client had purchased from another supplier. Configuring it to provide basic connectivity seemed somewhat linear (I will not be using any IPsec features ;) ), the client had also purchased a 168 bit licence key. Ok, my question is, what am I supposed to do with this serial number provided on a (official-looking) document that accompanied the pix? I thought the pix would prompt me for an activation key after booting the flash, as explained in this url, http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_installat ion_g uide_chapter09186a0080089812.html#xtocid38 ? however, it booted up normally into the default prompt ( pixfirewall ). Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59589t=59574 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Collision [7:59590]
Dear All, My network have collision is this good sign?? Please help!!! FastEthernet0/48 is up, line protocol is up Hardware is Fast Ethernet, address is 000a.f477.662c (bia 000a.f477.662c) MTU 1500 bytes, BW 1 Kbit, DLY 1000 usec, reliability 250/255, txload 5/255, rxload 9/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Half-duplex, 10Mb/s input flow-control is off, output flow-control is off ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:16, output 00:00:00, output hang never Last clearing of show interface counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue :0/40 (size/max) 5 minute input rate 36 bits/sec, 73 packets/sec 5 minute output rate 227000 bits/sec, 51 packets/sec 1363328 packets input, 543353391 bytes, 0 no buffer Received 35975 broadcasts, 234208 runts, 0 giants, 0 throttles 234208 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 0 watchdog, 9715 multicast, 0 pause input 0 input packets with dribble condition detected 19819113 packets output, 2197938874 bytes, 2308379 underruns 0 output errors, 127070 collisions, 1 interface resets 0 babbles, 0 late collision, 11950 deferred 0 lost carrier, 0 no carrier, 0 PAUSE output 2308379 output buffer failures, 0 output buffers swapped out Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59590t=59590 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: 2514 serial port flipping between up and down, [7:59501]
Wei Zhu wrote: I tried to connect to 2501, even use DCE/DTE to interconnect serial0 and serial1 on 2514, seems the signal cannot go to the line. Earlier you said the interface on the 2514 was up/down or cycling between up/up and up/down. That usually indicates a misconfiguration, not a low-level problem. Send us the config of both ends if you really want help. It sounds like you have 2 serial ports on the router in question? Can one of those ports connect to the other router with the same cable, while the other one can't? Are they using the same config? Then, you could have a hardware problem. Usually, the interface would be down/down in the case of a hardware problem, though, not up/down. Which end of the circuit is acting as DCE? On some routers you can tell by doing show controllers. Does that side have the clockrate command configured? It should. The other side should not. When the interface is up/down, the router is reporting that it is unable to send and receive Data Link Layer keepalive frames. Possible causes for the interface being up/down are a misconfiguration on one of the routers, a failed local or remote CSU/DSU, or a problem with the carrier's network. A router could be misconfigured with the wrong encapsulation that doesn't match the router at the other end, for example. In the case of Frame Relay, the router could be using the wrong Local Management Interface (LMI) to send keepalives to the carrier's local switch. All the guesses we can give you are utterly useless without your configs, though. Copy and paste them into a message to GroupStudy for more help. Priscilla Thank you. - Original Message - From: Ted Marinich To: Sent: Thursday, December 19, 2002 5:28 PM Subject: Re: 2514 serial port flipping between up and down, [7:59501] This may be dumb question, but I have seen this happen when connecting a high speed port to a low speed port. One side is default to 1544 and the other cannot do better than 64K. So, what are you connecting to, specifically - 2514 to 2522? Again, I might not be in the loop, but thought I would put my two cents in here. I did experience the exact same problem and my fix was to set the right speed on the 2501 to connect to a low speed router interface on a 2522. Ted Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59591t=59501 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: MLS related [7:59572]
Don't know the effect if you set the command on logical interface, maybe system will ignore it, basically it is used by MLSP hello message. No clue for why it doesn't show the MLS-SE. - Original Message - From: puro prasad To: Sent: Thursday, December 19, 2002 9:16 PM Subject: Re: MLS related [7:59572] Dear Wei, thanks for the reply. Anyway if the command is run on any of the interfaces, should this affect in anyway. I just wanna check this cuz the 'sh mls rp' command on my msfc is not listing the switches in the domain. Any inputs?? Regs., Prasad. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59592t=59572 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: Collision [7:59590]
The interface is set to half duplex. Collisions are a normal part of half duplex Ethernet. However, do you really need it to be confiugred as half duplex? What does it connect to? If it connects to a single port like a router or switch port or to a single workstation or server, then you can use full duplex. In other words, if it's a point-to-point link, then you can use full duplex, and no collisions will occur. Both ends should be configured as full duplex (or to use auto negotiation). If it connects to a shared network, like a hub, then it must use half duplex and you will get collisions. They are not a problem. The Ethernet interface retransmits if there is a collision. Priscilla Steiven Poh-\(Jaring MailBox\) wrote: Dear All, My network have collision is this good sign?? Please help!!! FastEthernet0/48 is up, line protocol is up Hardware is Fast Ethernet, address is 000a.f477.662c (bia 000a.f477.662c) MTU 1500 bytes, BW 1 Kbit, DLY 1000 usec, reliability 250/255, txload 5/255, rxload 9/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Half-duplex, 10Mb/s input flow-control is off, output flow-control is off ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:16, output 00:00:00, output hang never Last clearing of show interface counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue :0/40 (size/max) 5 minute input rate 36 bits/sec, 73 packets/sec 5 minute output rate 227000 bits/sec, 51 packets/sec 1363328 packets input, 543353391 bytes, 0 no buffer Received 35975 broadcasts, 234208 runts, 0 giants, 0 throttles 234208 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 0 watchdog, 9715 multicast, 0 pause input 0 input packets with dribble condition detected 19819113 packets output, 2197938874 bytes, 2308379 underruns 0 output errors, 127070 collisions, 1 interface resets 0 babbles, 0 late collision, 11950 deferred 0 lost carrier, 0 no carrier, 0 PAUSE output 2308379 output buffer failures, 0 output buffers swapped out Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59593t=59590 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: 2514 serial port flipping between up and down, [7:59501]
The configuration is pretty simple, one side only clock rate 100, another side nothing, both serial ports are not shutdown. I tried debug, can see myseq count is increasing but not the other two counters. Is there any fuse or something like in the serial port to prevent it from burned? I think maybe that part is bad. Thanks - Original Message - From: Munit Singla To: Sent: Thursday, December 19, 2002 12:07 PM Subject: Re: 2514 serial port flipping between up and down, [7:59501] Please send your configuration and debug o/p then only something could be thought off. Regards, MunitBrian wrote: you sourcing clock from one side of this or tried another cable? Brian - Original Message - From: Wei Zhu To: Sent: Wednesday, December 18, 2002 6:11 PM Subject: Re: 2514 serial port flipping between up and down, [7:59501] I also tried debug serial interface, only see myseq , other side are always 0, also the show interface serial shows the number interface resets and carrier transition are increasing all the time. Thanks - Original Message - From: Wei Zhu To: Leo Song ; Sent: Wednesday, December 18, 2002 6:37 PM Subject: Re: 2514 serial port flipping between up and down, hel [7:59426] Actually I am using DCE/DTE back to back connecting to another router(which is tested good), the line protocol is up and down continuously and count for interface resets is increasing all the time, does that mean the serial ports are bad? Thanks - Original Message - From: Leo Song To: 'Wei Zhu' ; Sent: Wednesday, December 18, 2002 11:50 AM Subject: RE: 2514 serial port flipping between up and down, hel [7:59426] Did you try to replace the v.35 cable? Leo -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Wei Zhu Sent: Wednesday, December 18, 2002 9:45 AM To: [EMAIL PROTECTED] Subject: 2514 serial port flipping between up and down, hel [7:59426] Just got one from eBay, the AUI is OK, but could not get the serials work, tried different speed, sometime at 56000 worked but not stable, other speed didn't work at all. Any suggestion? Thanks Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59584t=59501 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
BSCI exam review [7:59594]
I recently completed a review of the BSCI exam for CCNP. http://tcpmag.com/Exams/article.asp?EditorialsID=67 Best of luck to you on your next exam! Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59594t=59594 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Yahoo messanger traffic can be seen/blocked? [7:56571]
Piyush ... 1. Tools : -YM with their YM ID :-) ... but they can be in invicible mode .. :-( - Make simple HTML Pake with ... YM status on it [ just like the one on the YM website again they can be invicible :-( 2. Network SNiffer Will DO however there are several connection type in YM one of them .. Firewall with no proxies cannot use Network sniffer since the packet is encrypted. 3. Block Connection to YM Server such as scsb.yahoo.com , there are others you can see when the YM try to make connection [ this method cannot be done if the YM is using proxy ... :-) , you should block access to proxy also ] Blocking using port number is not effective since YM use several well known port such as : 80 , 81, 25, 110, 8080 , Damn .. this YM is CLEVER ... :-)) HTH .. Taufik KUrniawan At 03:57 31/10/2002 +, Mr piyush shah wrote: Hi all I am network administrator and in our network there are people who use Yahoo messangers.I have few querries pertaining to this as under. 1. Is there any tool by which I can see whether who is chating ? 2. Can I see the content of his chating using that tool ? 3. If I want to block this yahoo messanger in my firewall (I use checkpoint 2000 ) what is the step to be taken ? Thanks in advance Missed your favourite TV serial last night? Try the new, Yahoo! TV. visit http://in.tv.yahoo.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59595t=56571 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Yahoo messanger traffic can be seen/blocked? [7:56571] --- [7:59596]
Sorry ... My mail was sorted by ... Subject .. And this subject was a long time ago ... :-) he he he Sorry for the inconvinience ... Piyush ... 1. Tools : -YM with their YM ID :-) ... but they can be in invicible mode .. :-( - Make simple HTML Pake with ... YM status on it [ just like the one on the YM website again they can be invicible :-( 2. Network SNiffer Will DO however there are several connection type in YM one of them .. Firewall with no proxies cannot use Network sniffer since the packet is encrypted. 3. Block Connection to YM Server such as scsb.yahoo.com , there are others you can see when the YM try to make connection [ this method cannot be done if the YM is using proxy ... :-) , you should block access to proxy also ] Blocking using port number is not effective since YM use several well known port such as : 80 , 81, 25, 110, 8080 , Damn .. this YM is CLEVER ... :-)) HTH .. Taufik KUrniawan At 03:57 31/10/2002 +, Mr piyush shah wrote: Hi all I am network administrator and in our network there are people who use Yahoo messangers.I have few querries pertaining to this as under. 1. Is there any tool by which I can see whether who is chating ? 2. Can I see the content of his chating using that tool ? 3. If I want to block this yahoo messanger in my firewall (I use checkpoint 2000 ) what is the step to be taken ? Thanks in advance Missed your favourite TV serial last night? Try the new, Yahoo! TV. visit http://in.tv.yahoo.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59596t=59596 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: Collision [7:59590]
Just another thought to consider, your counters have never been cleared. So if this router has been up for a long time who knows if it's just people running around in the LAN room playing with cables or doing other work that caused these errors 6 months ago. Otherwise you may want to look at the half-duplex as Priscilla commented on already. John -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of Steiven Poh-(Jaring MailBox) Sent: Thursday, December 19, 2002 9:29 PM To: [EMAIL PROTECTED] Subject: Collision [7:59590] Dear All, My network have collision is this good sign?? Please help!!! FastEthernet0/48 is up, line protocol is up Hardware is Fast Ethernet, address is 000a.f477.662c (bia 000a.f477.662c) MTU 1500 bytes, BW 1 Kbit, DLY 1000 usec, reliability 250/255, txload 5/255, rxload 9/255 Encapsulation ARPA, loopback not set Keepalive set (10 sec) Half-duplex, 10Mb/s input flow-control is off, output flow-control is off ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:16, output 00:00:00, output hang never Last clearing of show interface counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: fifo Output queue :0/40 (size/max) 5 minute input rate 36 bits/sec, 73 packets/sec 5 minute output rate 227000 bits/sec, 51 packets/sec 1363328 packets input, 543353391 bytes, 0 no buffer Received 35975 broadcasts, 234208 runts, 0 giants, 0 throttles 234208 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 0 watchdog, 9715 multicast, 0 pause input 0 input packets with dribble condition detected 19819113 packets output, 2197938874 bytes, 2308379 underruns 0 output errors, 127070 collisions, 1 interface resets 0 babbles, 0 late collision, 11950 deferred 0 lost carrier, 0 no carrier, 0 PAUSE output 2308379 output buffer failures, 0 output buffers swapped out Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59597t=59590 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: PIX and the Activation Key [7:59574]
Thanks for the tip! -Mark -Original Message- From: eric nguyen [mailto:[EMAIL PROTECTED]] Sent: Thursday, December 19, 2002 8:26 PM To: Mark W. Odette II; [EMAIL PROTECTED] Subject: RE: PIX and the Activation Key [7:59574] activation-key commands only works with version 6.2.x or higher Mark W. Odette II wrote: Depending on the version of PIX code the unit is running, you might not have to do too much. First, go to your PIX, and issue the 'Show Version' command. If you are running 6.1 or higher (I believe), you can go into config mode and issue the 'activation-key' command followed by the 4 sets of alpha-numeric characters. This will install the 3DES license on the PIX. The alpha-numerics you enter are not derived from the official-looking document. Rather, you are supposed to go onto the CCO site, and under the PIX registration page, you will have a link for requesting your PIX Activation Code. You submit the Serial Number of the PIX (found on the back or bottom of the unit) and the alpha-numerics found on the document. In return, you'll receive an email with the activation code. That activation code is what you enter at the PIX console. Now, all the code acquisition process aside, if you are running an older version of PIX OS, then you have to tftp the PIX OS to a tftp or http server, and then pull it back from the tftp/http server while in ROMMON mode. This basically is like you're installing the PIX OS. At the end of the download process to the PIX, and right after you reboot it, you'll be prompted to enter new activation keys. This is where you enter the alpha-numerics acquired from Cisco via Email. Good Luck! -Mark -Original Message- From: dlci_16 [mailto:[EMAIL PROTECTED]] Sent: Thursday, December 19, 2002 5:59 PM To: [EMAIL PROTECTED] Subject: PIX and the Activation Key [7:59574] Greetings, I have been given the opportunity to install/configure a new 506E pix firewall which our client had purchased from another supplier. Configuring it to provide basic connectivity seemed somewhat linear (I will not be using any IPsec features ;) ), the client had also purchased a 168 bit licence key. Ok, my question is, what am I supposed to do with this serial number provided on a (official-looking) document that accompanied the pix? I thought the pix would prompt me for an activation key after booting the flash, as explained in this url, http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_installat ion_g uide_chapter09186a0080089812.html#xtocid38 ? however, it booted up normally into the default prompt ( pixfirewall ). [EMAIL PROTECTED] _ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=59598t=59574 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
