RE: Gigabit Ethernet Collisions [7:73555]

2003-08-14 Thread David j
Is it really working at gigabit speed?, there are several interfaces which
are able to work at 10/100/1000 speeds

Neil Andersen wrote:
 
 What would cause show interface for a Gigabit interface to show
 increasing collisions?  My understanding is that Gigabit
 Ehternet only runs in FULL DUPLEX.
 
 Thanks,
 Neil




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RE: mac address filtering [7:72684]

2003-07-21 Thread David j
I know that the following is not MAC security based, but I think you are
looking for something like EAPOL Security. Here is a link
http://www.cisco.com/en/US/products/hw/switches/ps646/products_configuration_guide_chapter09186a008007f395.html

Skarphedinsson Arni V. wrote:
 
 Hi
 
 I have some catalyst 2950 and 3550 switches, that I need to
 control the mac addresses of the machines that are alowed to
 connect to the switches, i.e. something similar to port
 security, but i dont want to configure it per port, but rather
 for a whole switch or vlan, what would be the best way to
 accomplish this ?




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RE: Password Recovery 3600 [7:69762]

2003-05-31 Thread David j
If you have other 3600 swap the flash and perform the password recovery in
the other one, if it continues to show garbage on the console port you
probably have something wrong in the console settings.

Funnell Giles wrote:
 
 Hi all,
 
 I have just acquired a 3600 router.  There seems to be a
 problem with the console, whenever I connect, it just produces
 garbage.  I can get into it through the serial connection. 
 However, I don't know the password and the only password
 recovery techniques I've found is to go in through the
 console.  Does anyone know of another way to either wipe the
 entire config or recover the password.
 
 Many thanks for your help.
 
 Giles




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RE: Password Recovery 3600 [7:69762]

2003-05-31 Thread David j
If you have other 3600 swap the flash and perform the password recovery in
the other one, if it continues to show garbage on the console port you
probably have something wrong in the console settings.

Funnell Giles wrote:
 
 Hi all,
 
 I have just acquired a 3600 router.  There seems to be a
 problem with the console, whenever I connect, it just produces
 garbage.  I can get into it through the serial connection. 
 However, I don't know the password and the only password
 recovery techniques I've found is to go in through the
 console.  Does anyone know of another way to either wipe the
 entire config or recover the password.
 
 Many thanks for your help.
 
 Giles




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RE: Nortel Passport to Cisco 6500 [7:69798]

2003-05-30 Thread David j
I can't help you, but I have been told by a Nortel engenieer that they have
tested that configuration in the lab and it worked (I think, they were using
multitrunking in the 8600 and FEC in Catalyst)
The only problem is that if you have a problem with that configuration, nor
cisco or nortel will help you.

Owens Samuel wrote:
 
 I have a project where I need to connect a Nortel Passport 8600
 to two Cisco 6500. What would be the best way to make connection?
  
 Thank you for any help.
 Sam
 




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RE: Sanity Check - ISDN and EIGRP [7:66016]

2003-03-23 Thread David j
See below:

The Long and Winding Road wrote:
 
 I'm working on a practice lab problem.
 
 there are two domains - OSPF and EIGRP
 
 The two domains can only communicate via ISDN
 
 OSPF---R1---ISDN--R2EIGRP
 
 R1 is where redistribution takes place. The ISDN link is in the
 EIGRP
 domain.
 
 Pretty much I've concluded that the only way this works is that
 here have to
 be static default routes on R1 and R2 pointing to eachother.
 The only other
 way I can see this working is for the ISDN link to be
 permanently up.
 
 Unfortunately, the lab instructions are not very clear on this
 point. The
 only relevant instructions are:
 
 1) no broadcast packets should initiate a DDR session.
 Multicast packets
 should be able to traverse the ISDN link.
 
 2) use an access-list 120 for any filters you may need for DDR
 
 3) only IP traffic will need to traverse the link
 
 That multicast instruction is interesting. Am I on the right
 track thinking
 the test here is to let the link stay up forever by defining
 the EIGRP
 hellos as interesting ?? thoughts?

I think so, in fact if the link were used as backup of a serial link it
would be logical that eigrp multicast packets bring it up when the serial
link is down. We have our backups defined more or less in that way ( on a
eigrp - eigrp domain, but this is not so important here). We have defined as
interesting traffic any ip packet, but I think you could fulfill all
requirements of this lab doing some acl engineering, perhaps denying
explicitly broadcast packets at the beginning of the acl.






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RE: SNMP info needed, please! [7:64558]

2003-03-06 Thread David j
If I rembember correctly, the manual of OpenView has good information about
snmp. Regarding the other topics, try to search in CCO, you can download
mibs frome there I think.
Mossburg, Geoff (MAN-Corporate) wrote:
 
 All,
   Does anyone know where I can find a really good tutorial (or
 other
 info) on using SNMP? I'm looking to get down and dirty with it,
 not just
 tweak OpenView or other network monitoring applications; i.e.:
 Using SNMP to
 manually add configs to routers and switches, how to find MIBs,
 using MIB
 information to pull stats from routers, etc.
 Thanks very much!
 Geoff Mossburg
 
 




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RE: Password recovery without reload? [7:64453]

2003-03-05 Thread David j
You can recover the configuration using snmp (you need the write community,
of course), and if you haven't used md5 passwords for enable, it would be
easy to decode it. I have done it once. If you have used md5 passwords, you
can save the configuration to txt and then perform a recovery password.
Do a search in google, I think the snmp variable ends in .55, it's all I
remember now. If you don't get it write again and I'll try to find it. (In
archives there is something about that, I think)

Hope this help.

oscar wrote:
 
 Can I see the configuration of a Cisco router without a
 password recovery?
 The problem is that the configuration was removed from the
 startup-config by
 mistake and nobody remember the password and a password
 recovery here means
 loose the configuration.
 
 




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RE: How to stop loggin to the console [7:64325]

2003-03-04 Thread David j
[EMAIL PROTECTED] wrote:
 
 Greetings,
 I have a router here that is logging a lot or stuff to my
 console, as a
 result I can't get anything done. How do I stop this without
 stopping
 the syslog messages?
 
 Regards
 
 Pat
 
 

no logging console ?


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RE: Two Cisco LS1010 connected [7:61741]

2003-01-23 Thread David j
I also had the same problem (number 1) )than you when tried to connect 1
LS1010 and 1 Alcatel Omniswitch. I'd like to know a way of connecting them
even without using pnni.

[EMAIL PROTECTED] wrote:
 
 Hi ,
 
 I am looking for two Cisco LS1010 switches connected together
 to Port ATM0/0/0.I prefer to use pnni.
 
 My Doubts are 
 
 1)When I use the commnad Switch1sh atm pnni node
 
 The address shown in this switch is different than shown in
 Switch 2.
 
 Can I use a PNNI in this case?According to the cisco
 documentation if we have to use PNNI between the same peer
 group they should have the same peer group ID.Please help?
 
 2)When I use the command Switchsh atm neighbours
 
 Each switch is seeing the others even with different peer group
 ID.Why is it so?
 
 3)Even if the switch is seeing each other I can't see traffic
 between sitches?
 
 4)can anybody help me in having a simple configuration for 2
 Cisco Ls1010 connected together by PNNI?
 
 g_study
 
 
 
 
 
 
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RE: Administrative Distance 5 for Summary EIGRP [7:61563]

2003-01-22 Thread David j
Doing manual summarization per interface you can see it. For example 
ip summary-address eigrp 1 172.0.0.0 255.0.0.0 
(don't try it in a production network without understanding it clearly,
first time I did it I have an important routing problem)

[EMAIL PROTECTED] wrote:
 
 How come you can see the EIGRP summary route with
 administrative distance of 5 in a real network?
 
 




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RE: SNMP Status: notPresent(6) [7:60633]

2003-01-09 Thread David j
I don't think you have a config problem because I suppose you are using a
similar config for snmp for other routers and is working fine. Anyway if you
can to post your config I can compare it with one of ours, but I still think
is a sw problem...

James Willard wrote:
 
 Actually, that is a snmpwalk from linux. I should have
 mentioned that.
 Snmpwalk shows notPresent for those particular serial ports,
 and up
 for other similar hardware on different routers. The IOS
 release is
 12.2.13, so perhaps it's just an unlucky release :). I'll check
 with the
 TAC too, but I was wondering if this was just a configuration
 issue
 somehow.
 
 Thanks,
 
 James Willard
 [EMAIL PROTECTED]
 
 
 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] 
 Sent: Wednesday, January 08, 2003 2:34 PM
 To: [EMAIL PROTECTED]
 Subject: RE: SNMP Status: notPresent(6) [7:60633]
 
 
 Have you tried directly a snmpwalk from a linux? but I don't
 think you
 have a problem with the monitoring a station because is working
 fine
 with the other router. It sounds like a software problem, try
 to check
 in TAC what bugs your version has and keep us informed
 
 James Willard wrote:
  
  Hi all,
  
  I have a 3662 router with four NM-1E2W modules. In each of
 those
  modules is a WIC-1DSU integrated T1 CSU/DSU module, thus
 giving me
  Serial 1/0,
  2/0, 3/0, and 4/0. All four of those T1s are up and
  operational, but I
  have a SNMP management web page that's not showing them as
  being up
  because SNMP is showing:
  
  interfaces.ifTable.ifEntry.ifDescr.1 = Serial1/0 
  interfaces.ifTable.ifEntry.ifDescr.2 = Serial2/0 
  interfaces.ifTable.ifEntry.ifDescr.3 = Serial3/0 
  interfaces.ifTable.ifEntry.ifDescr.4 = Serial4/0 ..
  interfaces.ifTable.ifEntry.ifOperStatus.1 = notPresent(6)
  interfaces.ifTable.ifEntry.ifOperStatus.2 = notPresent(6)
  interfaces.ifTable.ifEntry.ifOperStatus.3 = notPresent(6)
  interfaces.ifTable.ifEntry.ifOperStatus.4 = notPresent(6)
  
  I can't figure out why their status would be notPresent
 when it
  should be up. I have a 3640 with the same integrated T1
 modules that
  shows
  up for the serial ports. Does anybody know what might be
  wrong?
  
  Thanks,
  
  James Willard
  [EMAIL PROTECTED]
 
 




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RE: SNMP Status: notPresent(6) [7:60633]

2003-01-08 Thread David j
Have you tried directly a snmpwalk from a linux? but I don't think you have
a problem with the monitoring a station because is working fine with the
other router. It sounds like a software problem, try to check in TAC what
bugs your version has and keep us informed

James Willard wrote:
 
 Hi all,
 
 I have a 3662 router with four NM-1E2W modules. In each of
 those modules
 is a WIC-1DSU integrated T1 CSU/DSU module, thus giving me
 Serial 1/0,
 2/0, 3/0, and 4/0. All four of those T1s are up and
 operational, but I
 have a SNMP management web page that's not showing them as
 being up
 because SNMP is showing:
 
 interfaces.ifTable.ifEntry.ifDescr.1 = Serial1/0
 interfaces.ifTable.ifEntry.ifDescr.2 = Serial2/0
 interfaces.ifTable.ifEntry.ifDescr.3 = Serial3/0
 interfaces.ifTable.ifEntry.ifDescr.4 = Serial4/0
 ..
 interfaces.ifTable.ifEntry.ifOperStatus.1 = notPresent(6)
 interfaces.ifTable.ifEntry.ifOperStatus.2 = notPresent(6)
 interfaces.ifTable.ifEntry.ifOperStatus.3 = notPresent(6)
 interfaces.ifTable.ifEntry.ifOperStatus.4 = notPresent(6)
 
 I can't figure out why their status would be notPresent when
 it should
 be up. I have a 3640 with the same integrated T1 modules that
 shows
 up for the serial ports. Does anybody know what might be
 wrong?
 
 Thanks,
 
 James Willard
 [EMAIL PROTECTED]
 
 




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Re: Off Topic - More Bitching about Cisco's New We [7:60438]

2003-01-06 Thread David j
I have to disagree. I think in new site very easy to find information
regarding technical characteristics of cisco products. I remember that in
the old one I had to do a lot of searching to get information of some
modules. But I agree with you that there are a lot of broken links and the
site is slower (I think is a question of time that they solve all the
problems,...)
Regards, David.

John Neiberger wrote:
 
 Chuck, 
 
 I hate to say Me, too! but that's the case.  I still hate the
 new
 site with a passion.  They swear that it's supposed to be
 easier to use
 but it certainly is not, at least not yet.  I'm sure we'll all
 get used
 to it and they'll eventually fix all the links, but as it
 stands right
 now I tried to avoid their site whenever possible.
 
 John
 
  The Long and Winding Road
 
 1/4/03 11:37:15 AM 
 Is it just me? More broken links? Harder to find the everyday
 tools?
 lower  - a LOT slower - navigating around?
 
 Seems like just about every day I'm filling out one of those
 feedback
 forms
 to report a problem. assuming I've found the basic page I'm
 looking
 for
 anyway.
 
 For example - check out the links on this page.
 

http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/ip_r
 
 /iprprt2/index.htm
 watch the wrap
 
 and whatever happened to the tool index? It was no fun
 searching for
 the
 Software Advisor and the IOS Upgrade Planner this morning.
 
 grumble grumble grumble
 
 
 
 --
 TANSTAAFL
 there ain't no such thing as a free lunch
 
 




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RE: why con 0 password doesn't work?? [7:59938]

2002-12-29 Thread David j
Don't use the 7, just hit 
login
password 

Richard Campbell wrote:
 
 Hi..  Dear Group,
 
 I would like to know why console password doesn't work.  I key
 in my console
 password in the following manner. But when I plug in the
 console, it
 straight away give me a switch prompt. Why it never prompt me
 passord
 before showing us switch
 
 line con 0
 password 7 XXX
 
 
 Thanks a lot
 
 
 
 _
 The new MSN 8: smart spam protection and 3 months FREE*.  

http://join.msn.com/?page=features/junkmailxAPID=42PS=47575PI=7324DI=7474SU=

http://www.hotmail.msn.com/cgi-bin/getmsgHL=1216hotmailtaglines_smartspamprotection_3mf
 
 




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RE: Limiting TFTP Servers Used Via SNMP [7:59823]

2002-12-28 Thread David j
Yes, you can, check this link:
http://www.cisco.com/warp/public/477/SNMP/11_7910.shtml
I think that is what are you looking for...
write me to [EMAIL PROTECTED] if you have any doubts.

John Tafasi wrote:
 
 Hi Group,
 
 Below I pasted what the command refernce is saying about
 limiting tftp servers
 used via snmp. My question is can you tell a router to save or
 copy
 configuration files to or from a tftp server via snmp?
 
 =
 
 
 
 snmp-server tftp-server-list
 To limit the TFTP servers used via Simple Network Management
 Protocol-controlled TFTP operations (saving and loading
 configuration files)
 to the servers specified in an access list, use the snmp-server
 tftp-server-list global configuration command. To disable this
 feature, use
 the no form of this command.
 
 snmp-server tftp-server-list number
 
 no snmp-server tftp-server-list
 
 
 Syntax Description  number
  Standard IP access list number from 1 to 99.
 
 
 
 
 Defaults
 
 Disabled
 
 Command Modes
 
 Global configuration
 
 Command History  Release  Modification
   10.2
  This command was introduced.
 
 
 
 
 Examples
 
 The following example limits the TFTP servers that can be used
 for
 configuration file copies via SNMP to the servers in access
 list 44:
 
 snmp-server tftp-server-list 44
 
 




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Question for designers (WLAN) [7:59216]

2002-12-14 Thread David j
Hello friends, I have to advice what kind of wireless device we are going to
buy for a hospital. If money was not a big problem what Aironet would you
buy? I thought about 1200 series, but it isn't approved for using 802.11a in
my country (only 802.11b) so I think it hasn't got many benefits over 1100
series (these are cheaper).
What do you think? someone has implemented a wireless network in a big
hospital (1200 beds)?
Any feedback would be helpful, thanks in advance.

Regards.
David.


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Re: Question for designers (WLAN) [7:59216]

2002-12-14 Thread David j
Yeah, of course, the same here, this is one of the reasons why money is not
a problem (well, at least not a big problem). We already have a data network
and now that we're thinking about wireless we want a robust, very secure and
useful solution. I have been studying MikeS response and I can conclude that
it's better to spend money in good quality devices, but the only remarkable
difference between Aironet 1200  1100 that I can found is antennas, the
1200 series has several options and 1100 only has only an omnidirectional
integrated antenna.
If I'm not going to use 802.11a, I can see any reason to spend more money
buying 1200 or 350. What do you think?
Brian wrote:
 
 wireless net in a hospital, I would think concern over privacy
 of customer
 data would prevent that.  In the US, hospitals are held
 accountable to
 ensure they do all they can to protect it..
 
 Bri
 
 - Original Message -
 From: David j 
 To: 
 Sent: Saturday, December 14, 2002 1:41 AM
 Subject: Question for designers (WLAN) [7:59216]
 
 
  Hello friends, I have to advice what kind of wireless device
 we are going
 to
  buy for a hospital. If money was not a big problem what
 Aironet would you
  buy? I thought about 1200 series, but it isn't approved for
 using 802.11a
 in
  my country (only 802.11b) so I think it hasn't got many
 benefits over 1100
  series (these are cheaper).
  What do you think? someone has implemented a wireless network
 in a big
  hospital (1200 beds)?
  Any feedback would be helpful, thanks in advance.
 
  Regards.
  David.
 
 




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RE: VLANs: To be or not to be [7:58350]

2002-12-01 Thread David j
Thanks for your answers Larry and Elijah. I also think that there was
something wrong with the OmniCore (I didn't work directly with it). I have
been also told by a Nortel guy that with their Passport 8600 I wouldn't have
any problem (slowness) at all for routing between VLANs, and I belive him,
but I want to gather some experiences before implementing L3 switching in
other place.
Elijah could you say me what version code were you using when you
experimented that problems with alcatel? (to compare with our version it
would be enough with knowing the year). By the way, we have also experienced
some power supply failures...
Thanx again, I think I'll definitively recommend to use L3-swithing.

Elijah Savage III wrote:
 
 I want to first start out by saying you all know I am not here
 to bash
 anyone. But Larry you are right when you say something is wrong
 with his
 network and what was wrong with it was the name ALCATEL :). I
 have
 experience with the omni core switches and I can say I did not
 like what
 I saw in the products. I can go on and on about my experience
 with them
 also but I will not bore you all with details. The big problem
 was power
 supply failures, the other thing was slowness and the
 recommended fix
 from alcatel was always upgrade the software, and most times it
 would
 fix it but cause problems with other things. Right before I
 left the
 company they did seem to get good code to fix what we were
 doing. But I
 will say this because of all the money the company sunk into
 them we
 could not get atm to work between a 7500 and one of their
 switches it
 went on for 3 months pointing fingers back and forth, then we
 got all of
 them in one room Cisco and Alcatel and Cisco came armed with
 all kinds
 of docs about how they were following the rfc in their code
 anyway
 needless to say the code slinger from alcatel which had to fly
 over here
 from india for our meeting ended up having to redo some things
 to get
 compatibilty to play with other vendors in the ATM world. I
 still talk
 with the other guys I use to work with and they say all those
 problems
 are gone now and they are happy with Alcatel. So that is my
 experience.
 
 But I would say with 8500 or 6500 core the CDA model from cisco
 should
 give you no problems or SLOWNESS.
 
 -Original Message-
 From: Larry Letterman [mailto:[EMAIL PROTECTED]] 
 Sent: Sunday, December 01, 2002 4:11 AM
 To: [EMAIL PROTECTED]
 Subject: Re: VLANs: To be or not to be [7:58350]
 
 
 I have first hand knowledge, we have implemented a
 core/dist/access
 network at cisco with L3 at the core and L2 at the acess end. 
 I have
 also implemented a L3 data center using L3 dist routers and L2
 access to
 the 
 servers.
 
 This design, from switch to switch across the L3 dist area, is
 1ms or
 less in the data center
 and only a couple of ms from most points in the core to most
 points in
 the dist. area.
 
 I would say there was something wrong with the network you were
 using if
 
 the L3 switches
 were slower than the L2 switched, flat network
 
 Larry  Letterman
 Network Engineer, IT-Lan
 Cisco Systems
 
 David j wrote:
 
 Hello group, I was wondering about the following question:
 Is worth to implement VLANs and L3-switching instead a flat
 L2-network?
 
 I know that this question has been discussed here several
 times, but
 the answer is always the same: depends. What I would like to
 know is if
 
 sombody has implemented a L3-switched network following the
 Cisco
 style (Core-distribution-access or collapsed core-access) and
 now the
 performance is better than with a L2 network. I had an
 experience with
 a network (about 1000 users) with VLANs and Alcatel
 L3-switches that
 was terribly slow when you tried to transfer files between
 VLANs so the
 
 staff decided migrate to a flat network, that increased the
 network
 performance noticeably. Do you have real experiences or links
 talking
 about real experiences that I can check?
 Thanks and advance.
 
 




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VLANs: To be or not to be [7:58350]

2002-11-30 Thread David j
Hello group, I was wondering about the following question:
Is worth to implement VLANs and L3-switching instead a flat L2-network?
I know that this question has been discussed here several times, but the
answer is always the same: depends. What I would like to know is if sombody
has implemented a L3-switched network following the Cisco style
(Core-distribution-access or collapsed core-access) and now the performance
is better than with a L2 network.
I had an experience with a network (about 1000 users) with VLANs and Alcatel
L3-switches that was terribly slow when you tried to transfer files between
VLANs so the staff decided migrate to a flat network, that increased the
network performance noticeably.
Do you have real experiences or links talking about real experiences that I
can check?
Thanks and advance.


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RE: Procurve vs. Catalyst [7:58225]

2002-11-27 Thread David j
I faced this situation (more or less) short time ago, I had to decided
whether using HP 5300XL or not, they are Layer 3 and cheaper than a Cisco
4000, but finally I decided not buy them because, afaik, they don't
implement VRRP or HSRP.
Other reason: I think you can't use CSWI, because you need to have cdp
enabled.
In this list there are people who knows a lot more than me about hp switches
(I think I talked with Larry Letterman 6 months ago about them) perhaps they
could help you

Edward Sohn wrote:
 
 i'm looking for ways to convince my customer to
 migrate to an all-cisco environment, which would
 entail swapping out all the procurve switches
 installed on the LAN edge.  The rest of the network is
 almost exclusively Cisco (routers and firewalls).
 
 obviously, i know i could utilize the existing hp's as
 they are, but i think it's a good idea to simplify and
 standardize on one brand due to managment,
 capabilities, and possibly other issues, especially
 since it's financially feasible for this company.
 
 Has anyone ever come across this situation before? 
 Have you been successful in recommending cisco over hp
 to your client/manager?  if so, can you share what
 facts and performance differences you found regarding
 this subject?  any other information to help me out?
 
 thanks,
 
 ed
 
 __
 Do you Yahoo!?
 Yahoo! Mail Plus - Powerful. Affordable. Sign up now.
 http://mailplus.yahoo.com
 
 




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RE: question on Nortel networks [7:58162]

2002-11-26 Thread David j
Hi Guruprasad, 

http://groups.google.com/groups?hl=eslr=ie=UTF-8group=comp.dcom.sys.bay-networks
and
http://groups.google.com/groups?hl=eslr=ie=UTF-8group=comp.dcom.sys.nortel

might help you

Guruprasad Sanjeevi wrote:
 
 Hi all,
 
 I have a Passport MUX 4460 and Merdian option 11c at one of my
 branch office
 and same Nortel passport 4460 and an INTERTEL PBX at our New
 York office. We
 have 512Kbps IPLC  connecting these 2 offices . When  call is
 received from
 US the voice is clear , but when we call from our India office
 to US people
 complain a lot of Delay, Flipping and the voice quality is very
 poor.
 
 We escalated this issue to our Vendor and Nortel they did some
 configuration
 changes, and now the users feel the voice quality is better but
 still not
 upto the mark. If anyone can suggest a Nortel newsgroups or
 mailing lists on
 any site OR if anyone handling Nortel devices can tell me what
 parameters to
 change for improving the voice quality.
 
 Any help is appreciated. Waiting for all your answers
 
 Regards
 Guruprasad
 
 [GroupStudy.com removed an attachment of type
 application/ms-tnef which had a name of winmail.dat]
 
 




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SNMP [7:57585]

2002-11-17 Thread David j
Hi group,
Anybody knows if I can use the classical 
snmpset -c rw_commm 10.0.0.1 1.3.6.1.4.1.9.2.1.54.0 integer 1 (used for
saving the running config into startup) in a IOS-Catalys based switch?
(sorry, I haven'r got any catalyst for testing it right now ;-)
I think that it's the universal method for saving configs, but if someone
has another one I'd be very grateful if he shares it with us.
Thanx in advance.
David


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Connecting Ls1010 and OmniSwitch [7:57317]

2002-11-12 Thread David j
Has anybody tried to connect a LS1010 and an Alcatel OmniSwitch using atm?
We are having a lot of problems with the following scenario

LS1010 --ATM OC3--- Omniswitch - Videoconference device
|
|
ATM OC3
|
|
Omniswitch
|
|
Videoconference device

The LS1010 has an atm address
47.0091.8100..0005.5e8f.4401.0005.5e8f.4401.00
on the other hand the omniswitches have atm addresses
39.0348.8001.bc90.0001.013d.6cc0....xx
39.0348.8001.bc90.0001.013d.2f20....yy
Due to the different AFI code I presume that I can't use PNNI, and I need to
use static atm routing, can anybody confirm this point?
The guys that manage the Videoconference devices say that they work
establishing SVCs through the ATM network, if we connect directly the
Omniswitches there is no problem, so I suppose that I am doing something
wrong, do I need to configure svcs on the LS1010?
Thanx in advance, and sorry for being so imprecise, but the situation it's a
bit difficult to explain and I'm quite lost.


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RE: Cat 6 cabling [7:56658]

2002-11-02 Thread David j
Thanx, Ismail!

Ismail Al-Shelh wrote:
 
 Yes David , check this site 
 http://connectivity.avaya.com/systimax/partners/nar/documentation
 
 Good Luck
 
 Ismail Al-Shelh
 Abdulla Fouad Company
 Network Engineer
 CD-Dammam
 
 
 -Original Message-
 From: David j [mailto:nobody;groupstudy.com] 
 Sent: Thursday, October 31, 2002 9:36 PM
 To: [EMAIL PROTECTED]
 Subject: OT: Cat 6 cabling [7:56658]
 
 Hi,
 
 Anybody knows a link which talks about the enhancements of Cat
 6 over Cat 5
 and 5e?
 
 Thanks in advance.
 David.
 
 




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RE: Problems w/Hyperterminal?? [7:56619]

2002-10-31 Thread David j
Priscilla Oppenheimer wrote:
 Good point. If a station can send a packet, such as a ping,
 it's unlikely that there are any physical or data-link-layer
 problems. If it can't receive a packet, it makes sense to look
 above those layers. There are some unidirectional problems, but
 they are pretty rare. Some protocols, including STP, deal with
 the infamous one-way connectivity problem, but I bet it
 happens pretty rarely.

Not so rarely Priscilla if we talk about fiber, I have to deal with that
problem 3 or 4 times a year, unfortunately it's quite easy to damage only
partially a fiber optic cable when a hospital is repairing any wall,
disposing a room, ... (and they are always doing that sort of things!).
Believe me, the one-way connectivity problem is one of the worst problems
that you can have in a LAN.


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OT: Cat 6 cabling [7:56658]

2002-10-31 Thread David j
Hi,

Anybody knows a link which talks about the enhancements of Cat 6 over Cat 5
and 5e?

Thanks in advance.
David.


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Easy Aironet 350 question [7:55885]

2002-10-18 Thread David j
Hi all:
Today is the first day that I can play with an Aironet 350 and I have a very
simple question: I want to setup a console password (I'm conected through
the console port), is this done using the User Managment window and setting
write (or whatever) permissions?  (I'm pretty sure that is done in that way
but I'd be grateful if someone could confirm it)
Thanks in advance


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Re: How to restrict hubs in a LAN [7:54937]

2002-10-06 Thread David j

See inline..
Chuck's Long Road wrote:
 
 as much of a rulemeister as I am, I still have to look at this
 from the user
 standpoint. Why are users throwing their own hubs onto the
 network? Is there
 a business case to be made? Is facilities too slow getting
 requested cable
 pulls done?
 
 what is the concern with a user plugging a hub in at the desk
 and then
 connected a couple of extra PC's? if the problem is one of dual
 homing by
 accident or otherwise, I can see the issue with spanning tree
 recalculations. But in a single home situation,  what do you
 see as the
 issues?
 

I see one issue: collisions, if you have a switched network you don't want
to deal with collisions that hubs normally produce. I have to recognize,
though, that hubs sometimes are very convenient and I'm the first on using
them.

 when you say that politically, it's a mess what does that
 mean? high
 powered sales people throwing their weight around? management
 does not
 respect your input or concerns? something bad is happening, and
 it's rolling
 downhill?

In some environments it's politically unacceptable, I know some hospitals in
which you have to fill in a lot papers before being allowed to use a PC, so
in that environments this could perfectly be part of the policy.

 I'm not questioning the wisdom or the necessity for doing what
 others have
 suggested. I'm just wondering why it is necessary for the
 network manager /
 network staff to unilaterally cut off user access.
 
 
 
 
 John Zaggat  wrote in message
 [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
  Thanks guys that's pretty good information, but do you think
 in your
 opinion
  is that good approach to deal with this problem. Do you see
 any caveats
 and
  are there any other ways this can be dealt with.
  Kevin Wigle  wrote in message
  [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
   take a look into Port Security.
  
  
 

http://www.cisco.com/en/US/products/hw/switches/ps708/products_configuration
   _guide_chapter09186a008007f2dd.html
  
   In the event of a security violation, you can configure the
 port to go
  into
   shutdown mode or restrictive mode. The shutdown mode option
 allows you
 to
   specify whether the port is permanently disabled or
 disabled for only a
   specified time. The default is for the port to shut down
 permanently.
 The
   restrictive mode allows you to configure the port to remain
 enabled
 during
  a
   security violation and drop only packets that are coming in
 from
 insecure
   hosts.
  
   Kevin Wigle
  
  
   - Original Message -
   From: John Zaggat
   To:
   Sent: Saturday, October 05, 2002 5:01 PM
   Subject: How to restrict hubs in a LAN [7:54937]
  
  
I am just trying to think of how to restrict Hubs from
 being used in
 the
LAN. Politically it's a mess and despite a lot of
 discussions certain
   people
are able to add hubs at will where ever they want. So I
 was trying to
   think
of a way to stop that within the switch. Now normally
 these ports that
  the
hubs are connected to show several mac addresses when I
 do show cam
   which
gives me an idea is there any way to restrict host ports
 to only
 accept
   one
mac-address. I don't want to hardcode the mac-address
 because that
 would
   be
too much a administrative burden. But if I could restrict
 the port to
   accept
just one mac-address then that will make these hubs
 useless. Well
  anyways
let me know  if I am way off here but are there any other
 tricks in
 use
  by
any of you guys. I'll appreciate any pointers.
JZ
 
 




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RE: EIGRP neighbour relationship [7:54624]

2002-10-01 Thread David j

I have seen a similar case some time ago, the problem was that someone had
changed an access-list on the ethernet interface of one router, blocking
EIGRP updates on LAN. Check that and post the configurations of router 2 and
3,if it doesn't solve the problem.

Wilson, Gavin (KBPB) wrote:
 
 Afternoon 
 
 I was wondering if anyone could shed any light on the following
 problem. In
 the topology below: Router2 and  router3 who are connected via
 switch 1 and
 switch 2 have lost their eigrp neighbour relationship. Router1
 and router2
 still have a eigrp relationship and router4 and router3 still
 have a their
 eigrp neighbour relationship. The configurations on sw1 and sw2
 have not
 been changed. I have rebooted r2 and r3 but the neighbour
 relationships have
 not been re-established Any ideas as to what the problem
 could be.
 
 
 
 
 router1 (Production)
 router4 (DR site)
 
 
 
 
 
 
 (remote site)
 router2  router3 
   sw1
 sw2
 
 
 Any advice would be much appreciated.
 
 Cheers Gavin
 
 
 
 Gavin Wilson
 Kleinwort Benson Private Bank
 Tel: 0207 4751771
 Mobile: 07989441850
 email: [EMAIL PROTECTED]
 
 
 
 
 This email and any files transmitted with it are intended
 solely for the
 addressee(s) and may be legally privileged and/or
 confidential.  If you have
 received this email in error you may not copy, forward or use
 the contents,
 attachments or information in any way.  Please destroy it and
 contact the
 sender via our switchboard on +44(0) 20 7475 6600 or via return
 email.  Any
 unauthorised use or disclosure may be unlawful.  Kleinwort
 Benson Private Bank
 give no warranty as to the accuracy or completeness of this
 email after it is
 sent over the Internet and accept no responsibility for change
 made after it
 was sent.  Any opinions expressed in this email may be personal
 to the author
 and may not necessarily reflect the opinions of Dresdner Bank
 or its
 affiliates. They may also be subject to change without notice.
 
 




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Exporting data from user tracking DB [7:52900]

2002-09-08 Thread David j

Hello, 
I'm making a script and I'd need a system to use the User Tracking database
registers, I know that there's a way of exporting the data from cli (that
would be fine for me):
http://www.cisco.com/warp/public/477/Campus/ut_export_data.html
but unfortunatly this only works with Solaris and NT, and I have CW
installed on a HP-UX.
If I could avoid to work directly on the database (via DBI or isql) would be
great. The other option would be use a modified (by me)version of devexp,
but I'm in a hurry and I need to finish the script asap.
thanks for your time boys...
David.


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RE: Swith Memory upgrade.. [7:52733]

2002-09-06 Thread David j

Ernesto, Carlos, if you write in Spanish most of people here will not
understand you and they won't be able to help you

Ernesto Diaz wrote:
 
 Hola Carlos,
 
 Mi inquietud es saber si es posible actualizar la SDram de un
 Switch para
 llevarlo de 4-MB a 8-MB?
 
 Saludos,
 
 Ernesto J. Diaz L.
 
 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] 
 Sent: Thursday, September 05, 2002 9:39 PM
 To: [EMAIL PROTECTED]
 Subject: Re: Swith Memory upgrade.. [7:52733]
 
 Hola Ernesto
 
 dime que version tiene en este momento y cual necesita yo te la
 puedo
 ayudar a conseguir
 
 
 Carlos Rojas_Morales
 
 Ernesto Diaz wrote:
  Is possible to upgrade a 4-MB Catalyst 2900-XL Switch  to
 8-MB?
  
   
  
  Regards,
  
   
  
  Ernesto J. Diaz L.
 
 




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RE: ? about floating Static route [7:52837]

2002-09-06 Thread David j

Maybe you are thinking that a static route is always prefered to a dynamic
one because it has lower AD, that isn't true, routers check first the
longest match, and then AD. Anyway, you always could define a static route
with an AD higher than any routing protocol..
Regarding backups check this link:
http://www.cisco.com/warp/public/123/backup-main.html
Johnzaggat wrote:
 
 Is there ever a need to have a single floating static default
 route. Does it
 really matter if it's floating or not because since it's the
 only static
 route it will always be used. I am talking in context to using
 it with Bri
 as backup to the main link. One of the colleagues at work was
 insisting on
 use floating static route for the Bri backup and I really
 couldn't make any
 sense of it. Can some one clear this up for me.
 Thanks
 
 




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RE: SNMP [7:52691]

2002-09-05 Thread David j

Yeah, of course, but I would like to make a perl script and I don't want to
use Expect due to political reasons, so I can only use snmp.
Thanx anyway...
Luong, David wrote:
 
 you can do a 'show port x/x' on the switch and under that info,
 it will give
 you the ifindex.
 
 -Original Message-
 From: David j [mailto:[EMAIL PROTECTED]]
 Sent: Wednesday, September 04, 2002 2:26 PM
 To: [EMAIL PROTECTED]
 Subject: OT: SNMP [7:52691]
 
 
 Anybody knows if there is an algorithm for finding out the
 index number of a
 port on a Catalyst 6500?
 I mean, if I have the slot and port number, can I know the
 index number of
 that port?
 Any link would be appreciated. Thanks
 
 




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OT: SNMP [7:52691]

2002-09-04 Thread David j

Anybody knows if there is an algorithm for finding out the index number of a
port on a Catalyst 6500?
I mean, if I have the slot and port number, can I know the index number of
that port?
Any link would be appreciated. Thanks


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Re: 2503 Cables? [7:50924]

2002-08-08 Thread David j

I have that equipment, but you can't simulate speeds of 2Mbps with that
cable (at least I couldn't, only up to 512 Kbps, I think this is a
limitation of RS-232), I think that with V35 Female DCE and V35 Male DTE you
can simulate speeds over 512 Kbps...

rick wrote:
 
 Try kg2.com.
 You want the DB60 DCE/DTE cables.  $14.00 each.
 Or you can get the same thing from Cisco for about $60.00 each.
 
 Rick
 
 
 On Thu, 8 Aug 2002, Robert D. Cluett wrote:
 
 :Date: Thu, 8 Aug 2002 13:39:59 GMT
 :From: Robert D. Cluett 
 :To: [EMAIL PROTECTED]
 :Subject: 2503 Cables? [7:50924]
 :
 :Group,
 :
 :I just ordered (3) 2503 routers and (1) 2502 for my home lab. 
 No cables
 :included.  Would anyone know what cables I would need to
 interconnect these
 :directly to each other?  Part number or connector styles?
 :
 :Rob Cluett
 :
 :
 :
 :
 :
 
 




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Re: CCIE WORTH IT? [7:50941]

2002-08-08 Thread David j

Yes, I agree but only if it's voluntary...
Robert D. Cluett wrote:
 
 It would be nice to know where each member is located and what
 there level
 of knowledge/certification is.  I wonder if we could request
 this to be
 added to the site.  Maybe member profiles or something.  Anyone
 agree?
 
 Mark W. Odette II  wrote in
 message
 [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
  John- Just out of curiosity, where are you in Texas?
 
  Just trying to get a real gauge of where the work is and
 isn't across
  the state.
 
  Mark
 
  -Original Message-
  From: John McCartney [mailto:[EMAIL PROTECTED]]
  Sent: Thursday, August 08, 2002 2:15 PM
  To: [EMAIL PROTECTED]
  Subject: RE: CCIE WORTH IT? [7:50941]
 
  I don't believe that someone with no cisco experience can
 pass all 4
  exams in 9 days. I would say that it is impossible unless he
 had the
  answers to the test. 
 
 
  Robert I agree with you, no way unless you are really lucky
 at guessing.
  I
  have one more exam left to get my CCNP and I've been doing
 this for 3
  years
  on/off. You said you got some calls after getting the CCNA -
 what city
  are
  you in? Here in TX thee is nothinggood luck on the CCNP.
 
 




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Re: 2503 Cables? [7:50924]

2002-08-08 Thread David j

See inside...
rick wrote:
 
 David,
 I dont have any problems with speed over 512Kbps.  Its all
 based
 on what I set the clock rate to on the DCE end.

Yes I know that, but it also depends on the length of your cable, mine is
something about 3 meters, what about yours? (I use female and male DB60), I
see the
interface up/up, but in a few seconds it comes up/down, I tried it with
2Mbps and 1.544Mbps with the same results and the only explanation I could
see at cisco is due to my long cable.

  I use both the 
 cables from kg2.com and V.35 cables in my lab.  The only 
 differences i can tell are the cost and the fact that the
 single
 back to back cable is easier to use in the lab.
 
 -- 
 --Rick
 
 Support bacteria -- it's the only culture some people have!
 
 
  David j wrote:
 :I have that equipment, but you can't simulate speeds of 2Mbps
 with that
 :cable (at least I couldn't, only up to 512 Kbps, I think this
 is a
 :limitation of RS-232), I think that with V35 Female DCE and
 V35 Male DTE you
 :can simulate speeds over 512 Kbps...
 :
 :rick wrote:
 : 
 : Try kg2.com.
 : You want the DB60 DCE/DTE cables.  $14.00 each.
 : Or you can get the same thing from Cisco for about $60.00
 each.
 : 
 : Rick
 : 
 : 
 : On Thu, 8 Aug 2002, Robert D. Cluett wrote:
 : 
 : :Date: Thu, 8 Aug 2002 13:39:59 GMT
 : :From: Robert D. Cluett 
 : :To: [EMAIL PROTECTED]
 : :Subject: 2503 Cables? [7:50924]
 : :
 : :Group,
 : :
 : :I just ordered (3) 2503 routers and (1) 2502 for my home
 lab.
 : No cables
 : :included.  Would anyone know what cables I would need to
 : interconnect these
 : :directly to each other?  Part number or connector styles?
 : :
 : :Rob Cluett
 : :
 : :
 : :
 : :
 : :
 : 
 : 
 :
 :
 :
 :
 :
 
 




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RE: CCIE WORTH IT? [7:50941]

2002-08-08 Thread David j

It depends where you live and work, in Spain there are only 77 CCIEs, and
the most important ISP has 60.000 employees. I think here to be a CCIE is a
great business ...
McHugh Randy wrote:
 
 I am not so sure it is worth it. I had a CCNP, CCDP, and
 experience as a network engineer and was out of work for almost
 an entire year. I think it is only worth it for the challenge
 and if you really love it , becuase your going to have to put
 so much time and effort into passing the lab unless your
 willing to make a huge sacrifice and really enjoy it then just
 not going to be fun. Just my  2 cents.




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RE: ISDN DDR acting oddly...HEEEELP [7:51019]

2002-08-08 Thread David j

I don't know if I'm understanding correctly, but I think that if you use
dialer interfaces it would work (backup int dialer instead back int bri0)
Edward Sohn wrote:
 
 Hello,
  
 I have two 2503 routers connecting together via ISDN through a
 Teltone
 ILS-2000.
  
 I *believe* that the ILS is configured correctly, as well as my
 SPIDs
 and DNs on my routers.  I set the backup interface BRI0 on
 the calling
 router, and it's verified in standby mode (sh ip int brie).  I
 tear down
 the s0 interface (frame relay) and the call comes up, no
 problem.  OSPF
 reconverges, and I receive the routes through the ISDN
 connection.
  
 Now, the weird thing (if it's considered that), is that the
 called
 router CANNOT have the backup interface command.  Because if it
 does,
 the call NEVER comes up.  Once I take out that statement,
 however, the
 call comes up immediately.  
  
 Now, I guess my question/issue is: can't the called router be
 in backup
 interface mode as well as the calling router?  I seem to have
 run
 across many lab situations where both sides needed to be able to
 initiate the call, but I can't seem to get it to work that way
 (case in
 point: Solie's CCIE Practical Labs I).
  
 I've been busting my brain trying to figure this out.  I *may*
 have my
 Teltone configured wrong, but I don't think so.  It could also
 be my
 ISDN spids, etc, but if the call comes up and the link
 establishes up to
 layer 3, doesn't that prove that all those configurations are
 correct?
 And that there is some issue about the backup interface
 commands?
  
 I can't seem to find anything on CCO regarding having both
 routers
 configured for DDR or not...Someone, please shed some light on
 this
 situation.
  
 thanks,
  
 Eddie
 
 [GroupStudy.com removed an attachment of type image/jpeg which
 had a name of Notebook.jpg]
 
 




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RE: MRTG [7:49916]

2002-07-28 Thread David j

It's absolutly free (if you like it you can send some CD to Tobias I think).
You can download it from http://people.ee.ethz.ch/~oetiker/webtools/mrtg/


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RE: HP / Cisco performance [7:49919]

2002-07-28 Thread David j

Talking about Procurve switches, anybody knows if hp L3-switches have a
redundancy system like HSRP or VRRP?
Last week I had to evaluate the possibilities of Procurve switches for our
network, but I wasn't able to see any reference to redundancy on www.hp.com.
I presume they support some kind of redundancy, but I would be greatful if
you could show me some links for checking that..

Larry Letterman wrote:
 
 As for the issues brought up earlier by the individual
 from USU, I have posted the marketing numbers from both
 HP and cisco..
 
 One more note, I have several 2950's and 3524 switches running
 full 100 X 24 ports and have no problems with thruput
 
 The below numbers from both companies for the devices you
 mentioned
 dont seem to add up to the ability of hP switches to outperform
 
 
 procurve switch 2524
 6.6 million pps
 switch fabric speed: 9.6 Gbps
 
 Catalyst 3524-PWR XL
 8.0-million- packets-per-second forwarding rate
 10.8 Gbps switching fabric
 
 
 procurve switch 5300xl series
 switch 5308xl and 5372xl: 48 Mpps
 switch 5304xl and 5348xl: 24 Mpps
 switch fabric speed: 76.8 Gbps
 
 Catalyst 6500 Series
 Switch Fabric 256 Gbps
 Layer-3 forwarding rate 210 Mpps
 
 
 Larry Letterman
 Cisco Systems
 [EMAIL PROTECTED] 
 
 
 



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RE: CCNP support 640-606 [7:49837]

2002-07-28 Thread David j

I'm not very familiar with new NDA, but I think I can say that you must
study all sections, though I got 0% in appletalk I had read that section
several times and I learned some things. If you aren't in a hurry for having
the ccnp, take your time and learn all you can, for example I passed Routing
with 863 after studying 3 months, and Remote Access with 943 after studying
3 weeks but I can assure you that I learnt a lot more of routing than remote
access.

Dan Penn wrote:
 
 Hello? Did you pay attention to whole NDA thing?
 
 Dan
 
 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] 
 Sent: Saturday, July 27, 2002 9:06 PM
 To: [EMAIL PROTECTED]
 Subject: RE: CCNP support 640-606 [7:49837]
 
 Hi David
 
 Thank you, for your suggestion, Can u plz tell me in which
 section you
 got
 more question's for support exam.
 
 
 As you said That exam is tough I am thinking to postpone it one
 more
 week to
 revise all the things again...
 
 Thank's again
 
 [EMAIL PROTECTED]
 
 




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Re: HP / Cisco performance [7:49919]

2002-07-28 Thread David j

Thank you very much indeed for the links,Irwan. What about new 5300xl
series? do they also support vrrp? I think that without redundancy they lose
much of their attractive..
Irwan Hadi wrote:
 
 On Sun, Jul 28, 2002 at 08:36:50AM +, David j wrote:
 
  Talking about Procurve switches, anybody knows if hp
 L3-switches have a
  redundancy system like HSRP or VRRP?
  Last week I had to evaluate the possibilities of Procurve
 switches for our
  network, but I wasn't able to see any reference to redundancy
 on www.hp.com.
  I presume they support some kind of redundancy, but I would
 be greatful if
  you could show me some links for checking that..
 
 HP switches for backbone eg: 9304M,9308M  does support VRRP
 http://www.hp.com/rnd/products/pdf/9304m.pdf
 http://www.hp.com/rnd/products/pdf/9308m.pdf
 (See at the communications specs)
 
 And how you configure the VRRP is at
 http://www.hp.com/rnd/support/manuals/93xx_6308.htm
 especially at:

http://www.hp.com/rnd/support/manuals/pdf/release_06628_07110/Bk2_Ch12_VRRP_VRRPE.pdf
 and

http://www.hp.com/rnd/support/manuals/pdf/release_06628_07110/Bk3_Ch18_VRRP_cmds.pdf
 
  
  Larry Letterman wrote:
   
   As for the issues brought up earlier by the individual
   from USU, I have posted the marketing numbers from both
   HP and cisco..
   
   One more note, I have several 2950's and 3524 switches
 running
   full 100 X 24 ports and have no problems with thruput
   
   The below numbers from both companies for the devices you
   mentioned
   dont seem to add up to the ability of hP switches to
 outperform
   
   
   procurve switch 2524
   6.6 million pps
   switch fabric speed: 9.6 Gbps
   
   Catalyst 3524-PWR XL
   8.0-million- packets-per-second forwarding rate
   10.8 Gbps switching fabric
   
   
   procurve switch 5300xl series
   switch 5308xl and 5372xl: 48 Mpps
   switch 5304xl and 5348xl: 24 Mpps
   switch fabric speed: 76.8 Gbps
   
   Catalyst 6500 Series
   Switch Fabric 256 Gbps
   Layer-3 forwarding rate 210 Mpps
   
   
   Larry Letterman
   Cisco Systems
   [EMAIL PROTECTED] 
 -- 
 If you want to send me private mail, send it instead to
 [EMAIL PROTECTED]
 Email to [EMAIL PROTECTED] is deleted automatically
 every day at 13:00(GMT-07:00) (Mountain Time).
 
 




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RE: CCNP support 640-606 [7:49837]

2002-07-27 Thread David j

I think it was the hardest of ccnp, very strange and tricky questions. As
cisco says in its website, there aren't any questions on simulation. I
passed with a 843 and a 0% in AppleTalk (I'm sorry, but I have never seen an
Apple)
sunil sunilindia wrote:
 
 Hi, 
 
 Is this the new version toug, I have no hand's on experence in
 trouble shooting, I am planning to write this monday CCNP
 support,
 
 how many questions will be on simulation , are they really
 tough?
 
 Thank you 
 Sunil




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Re: Eigrp Summarizing [7:49730]

2002-07-27 Thread David j

Yes of course, you need to summarize on hub and use stub on spoke routers.
Anyway, I think that if you don't really need this feature you mustn't use
it and I wouldn't use it if my topology wasn't truly hub-and-spokeI had
to use it because some of my spoke routers (2500  2600) had very big route
tables and little memory.
Regards, David 
Steven A. Ridder wrote:
 
 I don't think stub generate summary routes like it does in
 OSPF.  You still
 need to summarize.
 
 --
 
 RFC 1149 Compliant.
 
 
 
 David j  wrote in message
 [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
  I would added eigrp stub connected on spoke routers (I think
 you need ios
  12.0) if you don't do that, based in my experience, you're
 going to have
  SIAs on your backbone. See the following link:
 

http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/120newft/120
 limit/120s/120s15/eigrpstb.htm
 
  Steven, correct me if I'm wrong, but if you use ip default
 network, all
  other routes are being announced anyway?
 
  Steven A. Ridder wrote:
  
   on the interface to the rest of the routers, do a ip eigrp
   summary address
   00.0.00 0.0.0.0
  
   or
  
   IP default network xx.x.x.
  
  
   JohnZ  wrote in message
   [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
I have a 3640 as hub and 20 1604s as spokes. Eigrp is the
   routing protocol
in use. Internet access is through the 3640. How can
 summrize
   in Eigrp so
all the spokes have a single route to the Hub router.
Thanks,
 
 




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Re: Cisco 2651 Problem [7:49815]

2002-07-27 Thread David j

As 2600 series are modular, on mode rommon or boot, I think they have no way
of knowing what kind of interfaces have connected, so they use the first lan
interface for downloading the new ios, check that link
http://www.cisco.com/warp/public/130/recovery_c2600.html
It's also posible to download the ios through the console port...
I'm facing the same problem right now, but I have a 3620 and can use pcmcias
;-

Shawn Heisey wrote:
 
 To reinstall the IOS on a 2600 with an incorrect image, you
 will need to
 use TFTP from ROMMON.
 
 http://www.cisco.com/warp/public/471/76.html
 
 Make sure the image that you download is correct for the exact
 2600
 model you have.  For the 2651, depending on what you want to
 do, I would
 use a 12.2 mainline or 12.2T image.
 
 Thanks,
 Shawn
 
 Curious wrote:
  
  Re-Install the Correct IOS.
  
  . .  wrote in message
  [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
   Hi
  
   I have a Cisco 2651 with two Fast Ethernet interfaces. I
 have accidentally
   installed a Cisco 2600 IOS image.  now when I do a show
 run the
  interfaces
   are not there anymore.  I tried to make it to boot from
 boot but the
   interfaces is not showing up.
  
   If you can give me some help, that would be great
  
   Thanks
  
  
 ===
   Router#show running-config
   Building configuration...
  
   Current configuration:
   !
   version 12.0
   downward-compatible-config 12.1
   service timestamps debug uptime
   service timestamps log uptime
   no service password-encryption
   no service dhcp
   !
   hostname Router
   !
   boot system rom
   !
   !
   !
   !
   !
   ip subnet-zero
   !
   !
   !
   !
   ip classless
   no ip http server
   !
   !
   line con 0
   transport input none
   line aux 0
   line vty 0 4
   login
   !
   end
  
   Router#
   Router#show version
   Cisco Internetwork Operating System Software
   IOS (tm) C2600 Software (C2600-I-M), Version 12.0(7)T, 
 RELEASE SOFTWARE
   (fc2)
   Copyright (c) 1986-1999 by cisco Systems, Inc.
   Compiled Tue 07-Dec-99 02:12 by phanguye
   Image text-base: 0x80008088, data-base: 0x807AAF70
  
   ROM: System Bootstrap, Version 12.1(3r)T2, RELEASE SOFTWARE
 (fc1)
  
   Router uptime is 0 minutes
   System returned to ROM by power-on
   System image file is flash:c2600-i-mz.120-7.T
  
   cisco 2600 (MPC860) processor (revision 0x200) with
 39936K/9216K bytes of
   memory.
   Processor board ID JAB05410GVS (3360889488)
   M860 processor: part number 5, mask 2
   Bridging software.
   X.25 software, Version 3.0.0.
   32K bytes of non-volatile configuration memory.
   8192K bytes of processor board System flash (Read/Write)
  
   Configuration register is 0x2102
  
   Router#show flash
  
   System flash directory:
   File  Length   Name/status
 1   4209848  c2600-i-mz.120-7.T
   [4209912 bytes used, 4178696 available, 8388608 total]
   8192K bytes of processor board System flash (Read/Write)
 
 




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Re: Eigrp Summarizing [7:49730]

2002-07-26 Thread David j

I would added eigrp stub connected on spoke routers (I think you need ios
12.0) if you don't do that, based in my experience, you're going to have
SIAs on your backbone. See the following link:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/120newft/120limit/120s/120s15/eigrpstb.htm

Steven, correct me if I'm wrong, but if you use ip default network, all
other routes are being announced anyway?

Steven A. Ridder wrote:
 
 on the interface to the rest of the routers, do a ip eigrp
 summary address
 00.0.00 0.0.0.0
 
 or
 
 IP default network xx.x.x.
 
 
 JohnZ  wrote in message
 [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
  I have a 3640 as hub and 20 1604s as spokes. Eigrp is the
 routing protocol
  in use. Internet access is through the 3640. How can summrize
 in Eigrp so
  all the spokes have a single route to the Hub router.
  Thanks,
 
 




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Re: Eigrp Summarizing [7:49730]

2002-07-26 Thread David j

My pleasure John. Please keep us informed about the results of your
implementation and if all is working fine, I'm very intersted in that kind
of summarization in eigrp
JohnZ wrote:
 
 Thank you David and Steven, I didn't even know the existence of
 stub command
 in Eigrp. I learn something new everyday here. Thanks again,
 now I need an
 IOS upgrade.
 David j  wrote in message
 [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
  I would added eigrp stub connected on spoke routers (I think
 you need ios
  12.0) if you don't do that, based in my experience, you're
 going to have
  SIAs on your backbone. See the following link:
 

http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/120newft/120
 limit/120s/120s15/eigrpstb.htm
 
  Steven, correct me if I'm wrong, but if you use ip default
 network, all
  other routes are being announced anyway?
 
  Steven A. Ridder wrote:
  
   on the interface to the rest of the routers, do a ip eigrp
   summary address
   00.0.00 0.0.0.0
  
   or
  
   IP default network xx.x.x.
  
  
   JohnZ  wrote in message
   [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
I have a 3640 as hub and 20 1604s as spokes. Eigrp is the
   routing protocol
in use. Internet access is through the 3640. How can
 summrize
   in Eigrp so
all the spokes have a single route to the Hub router.
Thanks,
 
 




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RE: Check this new command out [7:49717]

2002-07-26 Thread David j

On 3620 with 12.2(8)T5 works:
R1(config)#do ?
  LINE  Exec Command

R1(config)#do show mem
HeadTotal(b) Used(b) Free(b)   Lowest(b) 
Largest(b)
Processor   6270252018864864 9399224 9465640 9249100
9412936
  I/O390 7340056 4821752 2518304 2518304
2518044

Moffett, Ryan wrote:
 
 I have the do command in config mode (in
 c3640-i-mz.122-5d.bin), but the
 output is only:
 
 router(config)#do ?
   .  Version number
 
 -Original Message-
 From: Dan Penn [mailto:[EMAIL PROTECTED]] 
 Sent: Friday, July 26, 2002 11:19 AM
 To: [EMAIL PROTECTED]
 Subject: RE: Check this new command out [7:49717]
 
 
 Yes, I'm not sure what platforms it does work on, I tried it on
 2500's,
 2600's and 4500's with no luck
 
 Dan
 
 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On
 Behalf Of
 MADMAN
 Sent: Friday, July 26, 2002 8:16 AM
 To: [EMAIL PROTECTED]
 Subject: Re: Check this new command out [7:49717]
 
 Priscilla Oppenheimer wrote:
  
  MADMAN wrote:
  
   Thought this was pretty cool!!
  
   c7304(config)#do sh ver
  
  Cool! Can you do stuff other than show version while in
 config mode??
  
 
   Yes it appears you can do most anything, I tried a sh mem, sh
 config |
 inclu, sh ip route, they all work.  I don't know when/if this
 will be
 available in released IOS, I tried it on a 7200 running the
 latest 12.2.10a,
 no cigar.
 
   Dave
 -- 
 David Madland
 Sr. Network Engineer
 CCIE# 2016
 Qwest Communications Int. Inc.
 [EMAIL PROTECTED]
 612-664-3367
 
 Emotion should reflect reason not guide it
 
 




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RE: EIGRP [7:49678]

2002-07-25 Thread David j

I've had quite problems with that version in my 3620, it seems that atm
interfaces aren't working with older releases, like c3620-is56i-mz.121-5.T10
or even c3620-ik8s-mz.122-8.T5.bin, so I won't be surprised if it has more
mistakes
Richard Tufaro wrote:
 
 Anyone tried the 
 
 show ip eigrp e
 
 command on a router running (of course) eigrp and 12.2(10a)?
 Seems like its not in the command sequence.
 
 




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RE: Delay on ISDN Backup with Dialer Profiles !?!? [7:49441]

2002-07-24 Thread David j

If I'm understanding correctly, I think that you're looking for something
like that:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122t/122t8/ftrotdls.htm#11917,
 but it's a very new feature and I haven't tried it yet...
With that command, you can rotate through several dialer strings, but I
think that there's no possibility of configuring a delay between the calls..
hope this help.
David
Antonio Montana wrote:
 
 Sorry for the confusing diagram ;)
 
 router_1 connects to router_2 via FrameRelay
 router_1 connects to router_3 via FrameRelay
 
 All routers have ISDN connections
 
 need something like the backup delay xx yy command but for
 dialer interfaces ?!?
 
 cheers,
 monti
 
 




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High-speed interfaces on 3600 [7:48543]

2002-07-10 Thread David j

Hello boys!
I've read here
http://www.cisco.com/warp/public/cc/pd/rt/3600/prodlit/atmnm_ov.htm
that you can have only 2 high-speed modules (FE,HSSI and ATM) in a 3640.
Anybody knows why? is this information updated?
I have a couple of 3620 with 2FE and one ATM modules and I'm wondering if
they could have some problem in the future due to that restriction, they are
working fine by now...
Thanks in advance.


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Re: High-speed interfaces on 3600 [7:48543]

2002-07-10 Thread David j

There is a 2 FE NM 2-WAN card slot network module (product number NM-2FE2W).
In fact now I have a 3620 on the lab which have 1 ATM interface, 2 FE
interfaces, 2 serial interfaces and 1 BRI interface (it hadn't room for
anything else ;-)

M.C. van den Bovenkamp wrote:
 
 MADMAN wrote:
 
  The 2 FE's in your 3620 are not modules, the are built into
 the
  chassis.
 
 Not on a 3620 they aren't. That's the 2620 you're think of,
 most likely.
 Which makes me wonder: how did het get a 3620 to hold 2 FE
 interfaces
 and an ATM interface? There is no room for them, unless Cisco
 brought
 out a dual-port FE NM when I wasn't looking... :-).
 
   Regards,
 
   Marco.
 
 




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Re: High-speed interfaces on 3600 [7:48543]

2002-07-10 Thread David j

As you can see in my previous post it's the module I'm using, supported at
least since 12.1(1)T according to
http://www.cisco.com/warp/public/107/nm-fe2w.shtml

I'm afraid that NM-2FE2SW doesn't exist (I presumed that you were talking
about NM-2FE2W but I did a search at cisco just in case...:-)

[EMAIL PROTECTED] wrote:
 
 OK, OK, I can't type!
 NM-2FE2W!!
 
 (If anyone has heard of a NM-2FE2SW though I'd be interested to
 know what
 it is ;-)
 
 JMcL
 - Forwarded by Jenny Mcleod/NSO/CSDA on 11/07/2002 11:59 am
 -
 
 
 
 
 
 
 Heard of the NM-2FE2SW?
 I haven't checked whether it is supported by the 3620, though.
 
 JMcL
 - Forwarded by Jenny Mcleod/NSO/CSDA on 11/07/2002 09:47 am
 -
 
 
 M.C. van den Bovenkamp 
 Sent by: [EMAIL PROTECTED]
 11/07/2002 08:39 am
 Please respond to M.C. van den Bovenkamp
 
  
 To: [EMAIL PROTECTED]
 cc: 
 Subject:Re: High-speed interfaces on 3600
 [7:48543]
 Is this part of a business decision process?: 
 
 
 MADMAN wrote:
 
  The 2 FE's in your 3620 are not modules, the are built into
 the
  chassis.
 
 Not on a 3620 they aren't. That's the 2620 you're think of,
 most likely.
 Which makes me wonder: how did het get a 3620 to hold 2 FE
 interfaces
 and an ATM interface? There is no room for them, unless Cisco
 brought
 out a dual-port FE NM when I wasn't looking... :-).
 
  Regards,
 
  Marco.
 Important:  This e-mail is intended for the use of the
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 or subject
 to legal or parliamentary privilege.  If you are not the
 intended
 recipient
 you are notified that any review, re-transmission, disclosure,
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 Commonwealth Acts of Parliament.  If you have received this
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RE: Help with RSP4+ and normal boot sequence in a [7:47408]

2002-06-27 Thread David j

Yes, they are different now, but we did all sort of test, including to use
exactly the same version.. by the way, both routers are working fine, but
what I don't know is which is booting correctly
[EMAIL PROTECTED] wrote:
 
 I don't know, but your software versions are different. 
 
 On the working on it is:
 (RSP-IK8SV-M), Version 12.2(7a)
 
 On the broken one it is:
 (RSP-JK8SV-M), Version 12.2(7c)
 
 Could that be a cause of the problem ... Sorry no access to
 internet
 currently?
 
 -Original Message-
 From: David j [mailto:[EMAIL PROTECTED]] 
 Sent: 25 June 2002 20:39 
 To: [EMAIL PROTECTED]
 Subject: Help with RSP4+ and normal boot sequence in a 7
 [7:47408]
 
 
 Hi boys!
 I'm having problems with a 7500 I have upgraded a few weeks
 ago, when I type
 sh ver in others 7500 that I have, I can see these lines:
 ---xx---
 Cisco Internetwork Operating System Software
 IOS (tm) RSP Software (RSP-IK8SV-M), Version 12.2(7a), RELEASE
 SOFTWARE
 (fc2) Copyright (c) 1986-2002 by cisco Systems, Inc. Compiled
 Thu 21-Feb-02
 04:23 by pwade Image text-base: 0x600109C8, data-base:
 0x6179A000
 ROM: System Bootstrap, Version 12.0(10r)S1, RELEASE SOFTWARE
 (fc1)
 BOOTLDR: RSP Software (RSP-BOOT-M), Version 12.2(7a), RELEASE
 SOFTWARE (fc2)
 ---xx---
 However when I do the same on the problematic router I can see
 the
 following:
 
 Cisco Internetwork Operating System Software
 IOS (tm) RSP Software (RSP-JK8SV-M), Version 12.2(7c), RELEASE
 SOFTWARE
 (fc1) Copyright (c) 1986-2002 by cisco Systems, Inc. Compiled
 Sat 11-May-02
 11:02 by pwade Image text-base: 0x600109C8, data-base:
 0x61B28000
 ROM: System Bootstrap, Version 12.0(10r)S1, RELEASE SOFTWARE
 (fc1)
 
 So as you can see, I can't see any reference to the BOOTLDR.
 I've talked
 with the boys at TAC and they haven't got any solution (I've
 rebooted the
 router 4 or 5 times, upgraded and downgraded the software)
 Anybody knows
 what is the correct process for booting a 7500 with a RSP4+?
 Cisco says that
 RSP4+ boots the main image directly without loading the
 bootflash, but I
 have 7 routers loading the bootflash before loading the main
 image.
 
 




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Help with RSP4+ and normal boot sequence in a 7 [7:47408]

2002-06-25 Thread David j

Hi boys!
I'm having problems with a 7500 I have upgraded a few weeks ago, when I type
sh ver in others 7500 that I have, I can see these lines:
---xx---
Cisco Internetwork Operating System Software
IOS (tm) RSP Software (RSP-IK8SV-M), Version 12.2(7a), RELEASE SOFTWARE (fc2)
Copyright (c) 1986-2002 by cisco Systems, Inc.
Compiled Thu 21-Feb-02 04:23 by pwade
Image text-base: 0x600109C8, data-base: 0x6179A000
ROM: System Bootstrap, Version 12.0(10r)S1, RELEASE SOFTWARE (fc1)
BOOTLDR: RSP Software (RSP-BOOT-M), Version 12.2(7a), RELEASE SOFTWARE (fc2)
---xx---
However when I do the same on the problematic router I can see the
following:

Cisco Internetwork Operating System Software
IOS (tm) RSP Software (RSP-JK8SV-M), Version 12.2(7c), RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2002 by cisco Systems, Inc.
Compiled Sat 11-May-02 11:02 by pwade
Image text-base: 0x600109C8, data-base: 0x61B28000
ROM: System Bootstrap, Version 12.0(10r)S1, RELEASE SOFTWARE (fc1)

So as you can see, I can't see any reference to the BOOTLDR. I've talked
with the boys at TAC and they haven't got any solution (I've rebooted the
router 4 or 5 times, upgraded and downgraded the software)
Anybody knows what is the correct process for booting a 7500 with a RSP4+?
Cisco says that RSP4+ boots the main image directly without loading the
bootflash, but I have 7 routers loading the bootflash before loading the
main image.



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RE: Help with RSP4+ and normal boot sequence in a [7:47408]

2002-06-25 Thread David j

Hi Daniel:
This is the show bootv in a normal router:
BOOT variable does not exist
CONFIG_FILE variable does not exist
BOOTLDR variable does not exist
Configuration register is 0x102
Slave auto-sync config mode is on
Current slave is in slot 7.
slave BOOT variable =
slave CONFIG_FILE variable =
slave BOOTLDR variable =
slave Configuration register is 0x102
***
And this in the problematic one:
BOOT variable =
CONFIG_FILE variable =
BOOTLDR variable =
Configuration register is 0x102
Slave auto-sync config mode is on
Current slave is in slot 7.
slave BOOT variable =
slave CONFIG_FILE variable =
slave BOOTLDR variable =
slave Configuration register is 0x102
This is the output of show bootflash in the questionable router:
-#- ED --type-- --crc--- -seek-- nlen -length- -date/time-- name
1   .. image5BE93E76  6D42E8   22  6898280 Jun 11 2002 20:34:55
rsp-boot-mz.
122-7a.bin
9092376 bytes available (6898408 bytes used)
There isn't any boot bootldr filename line in normal routers.
Now I'm thinking that it could be different BOOT variable = and doesn't
exist. Anybody knows how to erase this variable? Thanks


If you do a show boot is there any value for the BOOTLDR variable - on 
either the questionable router or the others? My guess is that you have a 
boot bootldr filename line in your config for those that show a boot 
image. Second guess is that the questionable router doesn't have any 
bootflash. 
Please post your solution to the list. 

 -Original Message- 
 From: David j [mailto:[EMAIL PROTECTED]] 
 Sent: Tuesday, June 25, 2002 1:39 PM 
 To: [EMAIL PROTECTED] 
 Subject: Help with RSP4+ and normal boot sequence in a 7 [7:47408] 
 
 
 Hi boys! 
 I'm having problems with a 7500 I have upgraded a few weeks 
 ago, when I type 
 sh ver in others 7500 that I have, I can see these lines: 
 ---xx--- 
 Cisco Internetwork Operating System Software 
 IOS (tm) RSP Software (RSP-IK8SV-M), Version 12.2(7a), 
 RELEASE SOFTWARE (fc2) 
 Copyright (c) 1986-2002 by cisco Systems, Inc. 
 Compiled Thu 21-Feb-02 04:23 by pwade 
 Image text-base: 0x600109C8, data-base: 0x6179A000 
 ROM: System Bootstrap, Version 12.0(10r)S1, RELEASE SOFTWARE (fc1) 
 BOOTLDR: RSP Software (RSP-BOOT-M), Version 12.2(7a), RELEASE 
 SOFTWARE (fc2) 
 ---xx--- 
 However when I do the same on the problematic router I can see the 
 following: 
 
 Cisco Internetwork Operating System Software 
 IOS (tm) RSP Software (RSP-JK8SV-M), Version 12.2(7c), 
 RELEASE SOFTWARE (fc1) 
 Copyright (c) 1986-2002 by cisco Systems, Inc. 
 Compiled Sat 11-May-02 11:02 by pwade 
 Image text-base: 0x600109C8, data-base: 0x61B28000 
 ROM: System Bootstrap, Version 12.0(10r)S1, RELEASE SOFTWARE (fc1) 
 
 So as you can see, I can't see any reference to the BOOTLDR. 
 I've talked 
 with the boys at TAC and they haven't got any solution (I've 
 rebooted the 
 router 4 or 5 times, upgraded and downgraded the software) 
 Anybody knows what is the correct process for booting a 7500 
 with a RSP4+? 
 Cisco says that RSP4+ boots the main image directly without 
 loading the 
 bootflash, but I have 7 routers loading the bootflash before 
 loading the 
 main image. 


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New search engine, and suggestion... [7:47154]

2002-06-21 Thread David j

Hello everybody. Firstly I just want to say that changing the search engine
to google was a very good idea and secondly I think that a good way for
supporting groupstudy would be to sell (at reasonable price) an annual
CD-ROM with the archives, I wouldn't like to lose such important source of
knowledge if something happens or if some day Paul doesn't want to continue
with all that...and we could consult groupstudy off-line...
It's just a suggestion, I presume that Paul have already think about
it...perhaps it isn't a good idea...opinions are welcome..
Regards, David


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ATM question [7:44498]

2002-05-19 Thread David j

I think this a silly question, but I'm not able to find a clear answer at
cisco.com
I have been wondering if i have a OC-3 line and multiples PVCs configured,
how is bandwidth allocated?, I mean, if I have 10 PVCs is bandwitdh 15.5
Mbps per PVC or is shared dynamically among all PVCs, so if only one PVC is
transmitting it can take all bandwidth for it?
This is the sho int for two pvcs, as you can see BW is 155Mbps in both of
them
ATM8/0/0.100 is up, line protocol is up
  Hardware is cyBus ENHANCED ATM PA
  Internet address is 69.20.2.1/30
  MTU 4470 bytes, BW 149760 Kbit, DLY 80 usec,
ATM8/0/0.101 is up, line protocol is up
  Hardware is cyBus ENHANCED ATM PA
  Internet address is 172.18.252.253/30
  MTU 4470 bytes, BW 149760 Kbit, DLY 80 usec,

I think that in frame relay bandwidth is not shared between PVCs but I'm not
sure..
Thanks in advance.


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RE: Helpppppp [7:41796]

2002-04-17 Thread David j

If you have the snmp read-write community, you could retrieve your
configuration without problem (I've done it once), see:

http://www.tek-tips.com/gfaqs.cfm/lev2/8/lev3/58/spid/557/sfid/1160

and I think that if you have a tftp server in the same LAN is possible to
upload a new configuration to the router but I haven't tried it, see:
http://www.goonda.org/lists/pen-test/2001-01/msg00186.html

Juan Blanco wrote:
 
 Team,
 I have a 2500 route which I don't seem to be able to connect to
 the console
 port, and one serial interface has an ip, which I can ping to
 and I can
 telnet to it but I don't seem to be able to have the correct
 password. What
 else I can do here to get into this baby.
 
 Thanks,
 
 JB
 
 




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Summarizatino at least! [7:41358]

2002-04-13 Thread David j

5 months ago I was trying to implementent manual summarization on our
hub-and-spoke eigrp network, but we had lots of troubles (inestability and
convergence troubles). I suppose that my posts explaining the problem are
still in the archives so I'm not going to repeat them here.
I only want to say that we had inestability because we used an expect script
for changing the configuration on all hub routers (think about this, we
added the ip summary-addres eigrp 1 172.25.0.0 to 100 interfaces at the same
time, I think this was too much for eigrp)
Well, only two advices if someone is going to implement manual summarization
on a hub-and-spoke eigrp network:
1.- You should do it step-by-step (no scripts) first change the
configuration of one interface  and then check that all is working fine.
2.- You should use the command eigrp stub connected in spoke routers, it's
very important if you don't want to see a lot of SIAs wandering around your
network.
Regards, David.


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RE: Traffic Analyses [7:39167]

2002-03-22 Thread David j

There are more options than mrtg, you could use nrg with RRD Tools
Rafay Aslam wrote:
 
 HI Guys
 I wanted to know how much traffic is passing through my T1 or
 how much
 traffic is utilizing my T1 bandwidth. Tell me the most efficent
 and accurate
 way of finding it.
 
 Thanks,
 
 




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How do I connect by 2501 to my 1912 [7:39242]

2002-03-22 Thread David J. Mindock

Hi, 

I am trying to connect my Cisco 2501 Router to my 1912 switch.  Each device
has an AUI port, but is their another way to connect the two devices
together with cables and connectors.



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Re: SNMP Packet question [7:38824]

2002-03-20 Thread David j

Thanks for the information, I think I've read something about this issue in
some place. The script I wrote was only for Nortel switches and I hadn't
tried to do anything for routers because we're using CW2000
Regards, David.

R. Benjamin Kessler had the correct answer. I do use Linux and the problem 
with your suggestion is that the value given by show interfaces is not the 
same value as what the snmpget gives. If you have ever cleared the counters 
on the interface then its definitely not the same. This particular OID is a 
read only variable and can only be cleared via a reboot. 


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RE: SNMP Packet question [7:38824]

2002-03-19 Thread David j

Actually, we are using this OIDs, but they are for switches (number of
frames):
dot1dBridge.dot1dTp.dot1dTpPortTable.dot1dTpPortEntry.dot1dTpPortInFrames.1
dot1dBridge.dot1dTp.dot1dTpPortTable.dot1dTpPortEntry.dot1dTpPortOutFrames.1

Why don't you try this in a Unix/Linux?:
snmpwalk -c public {ip}  tmp
and then try to find a number in tmp which is very close to the output of
show interface in that router.
I did it for finding out the previous OIDs, it's quite rudimentary, but I
was sicked of surfing trying to guess the OIDs and it worked fine.
sam sneed wrote:
 
 Hello group,
 
 I am trying to write a script in perl to monitor interface
 errors and total
 traffic during work hours. I'm doing an snmpwalk to get the
 info. I want the
 total amount of packets in and out of an interface so I can
 calculate the %
 of errors on the line.
 
 Cisco says on their site :
 http://www.cisco.com/warp/public/477/SNMP/5.html
 
 that
   ifInNUcastPkts (.1.3.6.1.2.1.2.2.1.12) are counts of
 inbound broadcast
 and multicast packets
 
   ifOutUcastPkts (.1.3.6.1.2.1.2.2.1.17) are counts of
 outbound
 broadcast and multicast packets
 
 
 besides In and Out whats the difference? I thought Ucast meant
 unicast and
 NUcast meant broadcast and multicast.
 When queried, every int gives NUcast and Ucast which are
 different values.
 How could Cisco define them as the same.
 
 Is this a misprint?
 Lastly I'm assuming that total packets would be the sum of the
 2(unicast +
 multicast/broadcast).
 Is this assumption correct?
 
 
 ps i don't want ifOutOctets  because i want the # of packets
 not bytes.
 
 thankd
 
 




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Re: BGP issue ??? [7:37730]

2002-03-09 Thread David j

If you disable synchronization, will it work fine?
Scott H. wrote:
 
 Yes.  BGP needs to know how to get to that neighbor and since
 they are not
 directly connected or running a common IGP, you need a static
 route.
 
 Stanzin Takpa  wrote in message
 [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
  In the following cisco configuration , Is the static route
 necessary,
 either
  it is ebgp or ibgp?
 
 
 
 
  ROUTER-A
  interface Loopback0
   ip address 2.2.2.2 255.255.255.255
  !
  interface Serial1
   ip address 10.10.10.1 255.255.255.0
  !
  router bgp 400
   neighbor 1.1.1.1 remote-as 400
   neighbor 1.1.1.1 update-source Loopback0
   !
  ip route 1.1.1.1 255.255.255.255 10.10.10.2
 
 
  ROUTER-B
  interface Loopback0
   ip address 1.1.1.1 255.255.255.255
  !
  interface Serial1
   ip address 10.10.10.2 255.255.255.0
  !
  router bgp 400
   neighbor 2.2.2.2 remote-as 400
   neighbor 2.2.2.2 update-source Loopback0
   !
  ip route 2.2.2.2 255.255.255.255 10.10.10.1
 
 
 
  Stanzin Takpa
 
 




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Problems with Nortel [7:37403]

2002-03-06 Thread David j

I know that this is a Cisco forum, but anybody has been working with Nortel
BPS2000 and BayStack 450?
We have bought some BPS2000 and Nortel have been having troubles with
cascade and fiber modules for a long time.
We would be interested in talking with someone who is working with this kind
of equipment.
By the way, anybody knows a Nortel forum? in the archives people said that
there is no one, but perhaps someone has new information.

Off the topic. Do you know how to cut a specific connection in a Cisco 2600?
I mean, if someone is overloading the line how can I manage to cut (only)his
connection?


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RE: Problems with Nortel [7:37403]

2002-03-06 Thread David j

The problem with BPS2000 was that from time to time a stack with 4 switchs
didn't recognize one or several units and we had base conficts, finally we
could fixed the problem using software versions 1.1.3.9 and firmware
2.0.0.8. With fiber the problem is that before buying the switchs, Nortel
has told us that we could use the 400-2FX 400-4FX and 400-4TX (MDAs for
BayStack 450)in BPS2000, but with our software versions and MDAs, the
switchs aren't able to work properly, they have all leds turned on and fixed
with an marvellous orange color, when we ask Nortel, one engineer said that
the MDAs were compatible with BPS2000, other said that they weren't and by
now, we are still waiting for a decent answer.
NOTE: with 450 we didn't have any problems at all, perhaps I didn't explain
this well before.

Patrick, if you know a sistem for aplication level 'cutting' it would be
great. Actually we only want to 'cut' temporarily a 'hanged' conection, we
are doing this using a deny for the IP at the beginnig of the acl and
removing the permit ip any any established, but perhaps there is a more
straightforward way for doing it.

Regards, David.


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RE: eigrp summary [7:32753]

2002-01-21 Thread David j

Hi, Jim.
Could you be more explicit? What is exactly the error? Perhaps you aren´t
able to reach all networks beginnig with 178.12.0.0 or are you having
troubles with floating routes?
I'm really interested in this matter because I'm trying  to implement this
kind of summarization per interface on my 7513.
David

Jim Bond wrote:
 
 Hello,
 
 We are replacing a 4700 router with a 7507 router.
 EIGRP interface summary stopped working. Both IOS are
 12.0(7). We tried 12.1 and 12.2 on 7507, same thing.
 Looks like it's not IOS bug. Anyone has the same
 problem?
 
 We use ip summary eigrp 100 178.12.0.0 255.255.0.0
 command under one of 7507 router interfaces.
 
 Thanks in advance.
 
 Jim
 
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RE:Summarization (to Ben Kessler) [7:31975]

2002-01-15 Thread David j

Ben, I'm afraid that when I answered your post it was already buried under
tons of other post. I'm sorry, these are the consequences of living in
Europe...:-
Anyway, thanks for your detailed answer, I hope to get more detailed
specifications (CPU, memory,...) asap, but by now I have only said the
following:

I'm afraid I have no idea what happened but I'm think that it wasn't a
problem with CPU unless summarization is a very intensive cpu process(I
don't know if it is).
We have a hub-and-spoke topology. Four 7500 (2 7513 and 2 7507) for
full-meshed backbone (ATM)and over 230 sites (2500 an 2600 mainly), and we
have implemented redundancy using dialers and ISDN connections (and yes, we
have conected each router to two different hub routers). In one of the 7513
we have over 100 dialers and 90 serial WANs connections, I have tried the
summarization again with only two routers and by now, I haven't experimented
any problem.
As you can guess, our network is growing more and more and I'm worried about
routing tables with a lot of entries (we're using network 172.x.x.x for
serial interfaces and 10.x.x.x for ethernet interfaces)
I tried to summarize on networks 10.x.x.x and 172.x.x.x using the following
commands
ip summary-address eigrp 1 10.0.0.0 255.0.0.0 
ip summary-address eigrp 1 172.0.0.0 255.0.0.0 
Today, I have talked with my boss and we've decided to try the summarization
again but we're going to use the 0.0.0.0 network instead the other two (I'll
try to check my RSP in-depth this time)
Anyway, we're not experts in Cisco so I thought that we could reduce routing
tables using summary address and make easier the administration and
troubleshooting (perhaps it isn't a good idea). Unfortunatly, we work in a
helth-care enviroment, and we have to make sure before doing anything in
backbone routers.
I hope you read this post, I live in Europe and every time I have to reply a
post I have hundreds before me. Anyway, I'll keep you and this wonderful
group informed.

David 


I've done it with about 100 interfaces on 7513's and didn't see this 
problem. It may be a limitation of the code on the box, memory (as you 
indicated), or something else. Have you been able to rule-out as many 
something elses as possible? 

What does the network topology look like? Do you have redundancy in place - 
e.g. spoke routers connected to two different hub routers? Are you getting 
a lot of SIAs? Routes flapping, etc.? How's the CPU on your RSP's looking? 
Free memory? Buffer misses? 

There's a common view that EIGRP works fine and can scale infinitely big 
without going through all of the steps that you'd have to go through for a 
large-scale OSPF installation. 
Obviously, this thought is very wrong. 

I'm guessing that you need to do manual summarization on 200 interfaces per 
box is because you don't have clearly-defined summarization points in the 
network - that's the situation I was in when I had to do it on ~100 
interfaces. For good or ill, EIGRP will work with a bad network design (I'm 
speaking from an ideal perspective - please don't be offended, we all have 
to things at one time or another that are considered bad) up until a 
point. Beyond that point, it gets really ugly - quickly. 

In the network I was working on we had 140 sites connected without problems. 
We started adding more offices and by the time we hit 170 the network was 
totally unstable. After several weeks of P1/CAP cases we met with the guys 
who write the code and found out what we were doing wrong - they have since 
published several CiscoPress books on EIGRP; none existed four years ago :) 

You can band-aid a broken network by using a lot of the EIGRP features 
(manual summarization, distribute-lists, etc.). In my case that's exactly 
what we did, unfortunately, I was not given the opportunity to correct the 
mistakes that required the band-aids. I have since moved on to new 
challenges but that network is still in the same state - four years later. 

Anyhow, if you can offer more specifics, I'm sure those of us on the list 
would be happy to comment and offer suggestions. I think that if we can 
solve the reason you need to manually summarize on 200 interfaces you'll be 
better off down the road. 

Ben 

-Original Message- 
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] 
Sent: Sunday, January 13, 2002 5:02 AM 
To: [EMAIL PROTECTED] 
Subject: Summarization [7:31766] 


Hello folks, 
I'm working in a EIGRP enviroment, and I have some questions for you: 

Has anyone tried to do a manual route sumarization per interface with more 
or less 200 interfaces in a 7500? 
I've tried but I'm having a few problems, the summary routes aren't 
advertised sufficiently fast to the routers in branch offices. 
The summary routes are sometimes marked as possibly down in the routers of 
branch offices, sometimes are up and sometimes are down. 

Do you know any relationship between memory or cpu (or whatever) of the 7500 
and number of interfaces in which 

RE: Summarization [7:31766]

2002-01-14 Thread David j

Hello Ben, thanks for your detailed answer. 
I'm afraid I have no idea what happened but I'm think that it wasn't a
problem with CPU unless summarization is a very intensive cpu process(I
don't know if it is).
We have a hub-and-spoke topology. Four 7500 (2 7513 and 2 7507) for backbone
(ATM)and over 230 sites (2500 an 2600 mainly), and we have implemented
redundancy using dialers and ISDN connections (and yes, we have conected
each router to two different hub routers). In one of the 7513 we have over
100 dialers and 90 serial WANs connections, I have tried the summarization
again with only two routers and by now, I haven't experimented any problem.
 As you can guess, our network is growing more and more and I'm worried
about routing tables with a lot of entries (we're using network 172.x.x.x
for serial interfaces and 10.x.x.x for ethernet interfaces)
I tried to summarize on networks 10.x.x.x and 172.x.x.x using the following
commands
ip summary-address eigrp 1 10.0.0.0 255.0.0.0
ip summary-address eigrp 1 172.0.0.0 255.0.0.0
Today, I have talked with my boss and we've decided to try the summarization
again but we're going to use the 0.0.0.0 network instead the other two (I'll
try to check my RSP in-depth this time)
Anyway, we're not experts in Cisco so I thought that we could reduce routing
tables using summary address and make easier the administration and
troubleshooting (perhaps it isn't a good idea). Unfortunatly, we work in a
helth-care enviroment, and we have to make sure before doing anything in
backbone routers.
I hope you read this post, I live in Europe and every time I have to reply a
post I have hundreds before me. Anyway, I'll keep you and this wonderful
group informed.

David




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Summarization [7:31766]

2002-01-13 Thread David j

Hello folks,
I'm working in a EIGRP enviroment, and I have some questions for you:

Has anyone tried to do a manual route sumarization per interface with more
or less 200 interfaces in a 7500?
I've tried but I'm having a few problems, the summary routes aren't
advertised sufficiently fast to the routers in branch offices.
The summary routes are sometimes marked as possibly down in the routers of
branch offices, sometimes are up and sometimes are down.

Do you know any relationship between memory or cpu (or whatever) of the 7500
and number of interfaces in which you can perform manual summarization?

David


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Question about summary address [7:30528]

2001-12-31 Thread David j

Hi everybody.
The scenario is the following:
I have two Cisco 7500 an several 2600 connected to one of them by E1s, the
ISDNs of the 2600 are connected to the opposite 7500 and are configured as
backup lines. The 7500s are connected between them by ATMs an EIGRP is the
routing protocol. As you can guess, the 2600 belong to different branch
offices. I tried to summarize in both 7500 with the command ip
summary-address eigrp 1 10.0.0.0 255.0.0.0, but I also had a static route
with AD 200 to reach a DNS server in another part of the network, no managed
by me, and as the summary-address command create default route, with AD 5,
10.0.0.0 ponting to Null0 in the 7500s, people in the branch offices
couldn't reach the DNS server.
Now, i'm thinking about using the same command but changing the AD, i.e: ip
summary-address eigrp 1 10.0.0.0 255.0.0.0 230, but before doing anything
i'd like to know yor opinions. Do you see any problems?routing loops, perhaps?
I have been reading some post by MADMAN in the archives about summary
address, but I think this a bit more complex, and interesting, scenario, and
it's a real scenario!
Thank you for your time, and sorry for my English, as you can see it isn't
my first language.
Happy new year for everybody!






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Re: Question about summary address [7:30528]

2001-12-31 Thread David j

Thanks MADMAN, I'll think about your suggestion but.the next year :-


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Re: Retrieve Cisco config (via SNMP) [7:27735]

2001-11-30 Thread David j

Yes, I have. And it works fine, but i don´t have any idea about what
OCTECTSTRING means, I presume that it´s something related with tftp. You
have to create the file (empty) on the TFTP server before executing the
command (at least on UNIX machines), and you need the RW community string,
of course.


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RE: job search [7:27246]

2001-11-26 Thread David j

Farhad, where are you from?, you have to keep in mind that for working in
Spain you´ll need a really good command of Spanish, because here people
don´t speak English and if you are going to work in Galicia, Catalunya or
Euskadi there are people who speak their own language. I hope that the
followings webs are good help for you:

www.tecnoempleo.com --- You should try this one first, it´s specialiced in
technical jobs
www.metaseleccion.com
www.monster.es
Please, feel free for making me any questions that you have about working in
Spain.


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