Read the RA book and you'll be fine.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Monday, May 20, 2002 10:02 PM
To: [EMAIL PROTECTED]
Subject: Support Passed [7:44599]
Ok, well I started kinda backward, but I passed my CCNP Support test, and
I'm now
So Support is the first exam you took? Kinda strange because normally once
you passed Routing, Switching, and Remote Access, you start taking the
support. How did you manage the troubleshooting section of Remote Access in
Support ? =)
It was quite sometime back when I finished my CCNP, but my
Hi,
thanx for your reply.
what do you mean by default commands exactly?
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Hi,
Can anyone please help me on this-
Its about EIGRP NBMA and multicast together..
EIGRP uses 224.0.0.10 for its hello packets.
In an NBMA environment such as Frame Relay how does this work ?
Does each FR interface need FR Multicasting enabled (I know of the
BROADCAST cli option but not
Hey George,
Before you start taking any actions, first use a Sniffer to see what is
causing the delay. It's no use implementing anything unless you know it's
going to be effective.
Hth,
Crestion
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Greetings,
I would like to run SNMP on my router and would like some advice on how I
could secure it. I would also like some input from you guys on whether you
recommend SNMP at all as it seems like the only route that I can take in
monitoring traffic on our internet access link.
Regards
LK
Dear group,
When my CPE comes up, it makes a dhcp request. The DHCP server is located on
a different subnet .Between dhcp client (CPE) and dhcp server there is a
router whit ip helper-address configured.
My question is the following: if the DHCP server has to assign a specific IP
address to a
TP wrote:
Where DHCP will read the correct mac address before giving the right IP
address?
From the CHADDR (Client Hardware ADDRess) field in the DHCP packet.
Regards,
Marco.
Message Posted at:
Excerpt from Doyle's Vol.2 page 792.
Labs also provide an area of the network where you can just play around
with the commands, testing the effect of misconfigurations and practicing
troubleshooting. The lab can be used in this way for training and CCIE
preparation. Only with a lab can you
Cody Lerum wrote:
Ok, well I started kinda backward, but I passed my CCNP Support
test, and I'm now working on my Remote Access. I have the cisco
press books, which I love, but is there anything I should know
about the remote access test?
Cody Lerum, CCNA, (1/4)CCNP
Know your ISDN
Any way to configure anti-spoofing on the router, since it's trivial to
spoof UDP packets?
---
Pat-
I create an access list that allows one ip address (my NMS) and denies all
others.
Collin
Postman Pat wrote in message
news:...
Greetings,
I would like to run SNMP on my
This is off a 2504. It's also on my other 2500s with 12.x code
What are you running for a router? one of those space heaters from a long
time ago ;-)
MikeS
CentralRouter#debug ppp authen
CentralRouter#debug ppp authentication ?
CentralRouter#debug ppp authentication
PPP authentication
The DHCP server doesn't read the actually MAC address of the client PC. The
DHCP client builds a DHCP request packet that includes the client's MAC
address. The DHCP relay just passes that packet to the DHCP server, along
with additional information (such as what subnet the request is coming
Nice of you to take Jeff's words and use them out of context. I believe
what Jeff meant is that as we are experienced network engineers pursuing
CCIE certification, we should set up a lab for practice as we cannot perform
the necessary configurations on our production networks. The thing you
Maybe not if you keep the room temperature low enough, but your going to
need a lot of air conditioning. ;-)
Seriously, disconnecting fans will eventually cause your router, or any
computer, to fry. Without heat dissapation, your components will eventually
just quit working and fill your house
Pat
Some comments:
1. For IPSec to work the access list at the other end for the crypto map
priority that is matched in the SA must be the mirror of yours ie.
access-list 120 permit ip 10.54.1.0 0.0.0.255
10.55.1.0 0.0.0.255
2. issue a sh crypto ipsec sa command with the access list still
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What versions of code are you using on the routers.
pat 05/21/02 01:32 AM
Hello Jim, Thank you for the response.
1) When I said access-list 20 I meant 120. This is not
applied to any interface.
I am not doing telnet through tunnel.
2) Acess-lists are mirror image but the numbers are
not
Yes. If your network is 192.168.1.0/24 deny all packets trying to
enter your network with a source of 192.168.1.x.
Dave
Langa Kentane wrote:
Any way to configure anti-spoofing on the router, since it's trivial to
spoof UDP packets?
---
Pat-
I create an access list that
Did you mean access-list 120, as opposed to access-list 20? If you have a
crypto map applied to an interface, and remove the ACL associated with the
crypto map, you get the same results as if you deleted an interface-applied
ACL without removing the application- IOS assumes the null ACL is a deny
I think that everyone agrees that in order to pass the CCIE lab, you have to
spend a decent amount of time in a lab playing with scenarios and
technologies you might otherwise have never experienced in a real life
network, or experienced it so long ago that you don't have any where else to
test
hi, you may
- define an access-list let only the host you want to to snmp access the kit
- enable ip verify unicast reverse path checking on all interfaces.
cheers! sen
Quoting Langa Kentane :
Any way to configure anti-spoofing on the router, since it's trivial to
spoof UDP packets?
I posted this message in response to a lot of rap, crap, xyz-rap, etc. that
individuals who devote their time, effort and money towards advancing
their knowledge and skill (and hopefully career) by building their own home
lab because this is the ONLY way they can get experience are getting.
When
Check out the SNMP section in this doc:
http://www.cisco.com/univercd/cc/td/doc/cisintwk/ics/cs003.htm
Additionally to the above suggestions, I would add:
-Do not allow SNMP write capability, you almost never need it
-Choose a _strong_ SNMP RO community. It should contain special characters
This link may help you if you want to get one made
http://www.cisco.com/univercd/cc/td/doc/product/lan/28201900/1928v5x/icg5x/c
sspec.htm
(watch word-wrap)
Rah
-Original Message-
From: Justin Clark [mailto:[EMAIL PROTECTED]]
Sent: 21 May 2002 15:52
To: [EMAIL PROTECTED]
Subject:
Now that Coriolis is kaput, does anyone have the errata for Exam Prep books
640-503 (Routing) and 640-504 (Switching)? I've tried to use google to see
if any were available, but apparently Coriolis was using a dynamic page on
their support website, so google didn't cache it.
I'm already
5/21/200210:45am Tuesday
Professionals, I have a Cisco terminal server controlling 15 Cisco
routers/switches/PIXs
I would like to add support for 4 Nortel routers.
The Nortel council cable is DB9 female to BD 9 female strait thru.
My plan is to plug plastic terminal adapters [ DB 9 to RJ
I'm not sure that they ever made errata files available to the public(at
least none of any substance). And I have good reason to believe that, like
all publishers, they ignored the feedback that they begged for. After a few
automated we'll be in touch responses, I gave up on them. Only ever
I was hoping that wasn't going to be the case (in that they apparently never
did anything with the feedback).
Does anyone have recommendations for a publisher that 1) Has good reading
material for CCNP and 2) Actually maintains an errata page that
incorporates feedback?
As far as #2, I've had
I'm a big fan of most Cisco Press books. However, they totally ignore
feedback and I know of times where folks have pointed out clear errata only
to see the book go through several more printings with the same errrors. I
read both CCNP libraries and found all but one of the books in them to be
Greetings,
I am preparing for my CCIE in Security, can you suggest some few books to
use as a guide??
You can assume I am a beginner in this field ; I do posses ccna-wan and
mid way ccnp-LAN.
Much Thanks.
-Regards
-Abe
Message Posted at:
Your comments are false and you sound very ignorant.
I work with guys who have 20 years experience and to trouble shoot a problem
take months. This is because they don't know how the protocols work. How
much money can a company afford to lose when production is downloading for a
considerable
Actually, I believe Richard Deal (author of the Coriolis Exam Cram
Switching) frequents this list occasionally. Hopefully, he'll see this and
can address your concerns.
Shawn K.
-Original Message-
From: Robert Kulagowski [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, May 21, 2002 1:13 PM
Most of the Sybex books I've read have been too dummied down to be of any
use by themselves, but Todd Lammle's writing style is easy enough to
understand that you can take a technology you know nothing about, read a
couple pages, then have a handle on the basics of it. From there it's easier
(for
One thing to add there, the most recent revision of the Networking Academy
curriculum has animations that would have saved me hours and hours of
headaches if I'd had them when I was first learning OSPF, and it also
presents BGP in an understandable manner.
-Original Message-
From: s
You will solve this problem if you first remove the crypto map xxx in the
interface where you attach this crypto map xxx, then you can remove
access-list or change configuration in the crypto map,etc. When you finish
the reconfiguration, you put again the crypto map in the correct
interface.
Could somebody will please describe me the difference in
between bridge and switch.
Thanks
Ravi
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Marketing! A switch is simply a multiport bridge. Bridges originally
had very few ports, as few as two. When hardware became faster and
manufacturers started adding more ports to their bridges they started
calling them switches to differentiate them from their slower brethren
with fewer ports.
A switch is a multiport bridge. Think of a bridge that bridges together
2 networks (i.e. has two interfaces, one in each network). Then
supposed you upgrade to a 3 port bridge, that can connect 3 networks.
keep adding ports up to 4, 8, 12, 24, or even 48 and that's a switch.
At 1:49 PM -0400 5/21/02, Thompson Alton wrote:
Your comments are false and you sound very ignorant.
I work with guys who have 20 years experience and to trouble shoot a problem
take months.
I suggest, Sir, that you examine your logic.
The Internet and predecessors (including enterprise
A bridge spans a body of water so that two pieces of land can be connected
and switch is used to control the flow of
electricityJust kidding!
Try this link (watch for wrap)!:
http://www.cisco.com/univercd/cc/td/doc/cisintwk/ito_doc/bridging.htm
Shawn K.
Switching is a marketing term. You would be wise to focus on Bridging and
Routing and when the word switch appears, read to fine print to figure out
if the device in question bridges or routes.
At 02:57 PM 5/21/2002 -0400, rtiwari wrote:
Could somebody will please describe me the difference
ideally when during evalution there was a need for a device to interconnect
two
networks and bridges came into existence which let two segments to be
connected, so that alfi in accounts can send messages to rita in marketing.
when the greedy boss extended the company he bought in many computers
Switch = mega interfaced bridge.
Dave
rtiwari wrote:
Could somebody will please describe me the difference in
between bridge and switch.
Thanks
Ravi
--
David Madland
Sr. Network Engineer
CCIE# 2016
Qwest Communications Int. Inc.
[EMAIL PROTECTED]
612-664-3367
Emotion should reflect
Do you remember Mainframe systems??? Do you remember LU and PU and logic
controllers?? Do they all work the same as IP networks or VOIP and IP
telephony networks?
Do you know all the traffic in your data network??? You seem to be bitter
about something. Do you want someone with 20 years
If you want a quick test to see if the earth is good or not, your voltmeter
will do (on AC mode). Just stick one lead into the live socket and the other
into the ground socket. If it reads the same as when measured between live
and neutral, then your ground is good. Alternatively, if you measure
John and Mike are both right. As a matter of fact, there are several
definitions. In my opinion, the whole topic is adequately described in
Interconnections, by Radia Perlman. Her take (in a nutshell) is that they
are technically one in the same and that the difference is marketing
Here is what I had on mine: 2 2524's
RTG#
2d01h: Se0 PPP: Treating connection as a dedicated line
2d01h: Se0 PAP: O AUTH-REQ id 2 len 14 from RTG
2d01h: Se0 PAP: I AUTH-REQ id 2 len 14 from RTF
2d01h: Se0 PAP: I AUTH-ACK id 2 len 5
2d01h: Se0 PAP: Authenticating peer RTF
2d01h: Se0 PAP: O
Shucks, folks, 'most everyone knows that the real world has its moments.
Users. They generally provide considerable exposure to that which is
perceived as real.
'Course, it's always nice to have a test-bed; but I think lab rat is a
different definition.
So, perhaps to lighten things up,
Very good. just on time. I am going to take my CCIE written this Friday.
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Why do you folks bother arguing these useless points? If you lost a job to
someone who had less experience than you or vice versa, don't cry foul, go
learn how to interview or reevaluate exactly what it is you bring to an
employer and make sure you are getting that across.
At 03:56 PM
This begs the question, what is the difference between a multi-port bridge
and a switch? Or, what is a switch when it routes? I personally think
bridge and router convey with relatively little ambiguity the function of a
device whereas switch is simply a tool that marketing folks use when
is it good to say that
Bridge supports up to 16 ports ans is software based.
but Switch supports any number od ports and is
hardware based.
Peter van Oene wrote:
This begs the question, what is the difference between a multi-port bridge
and a switch? Or, what is a switch when it
Peter, your a genius very good point.
Jason
CCIE 8748
Peter van Oene wrote:
Why do you folks bother arguing these useless points? If you lost a job to
someone who had less experience than you or vice versa, don't cry foul, go
learn how to interview or reevaluate exactly what it is you
Hi users I was wondering if can someone help me out this this problem I
been experiencing
Users behind the firewall can open a session on this web site
http://www.oit.ohio-state.edu/userpass.html
it has a link to a telnet session to a particular port 1607
I create an access-list allowing some
ditto, you won't get an argument from me!!!
Peter van Oene wrote:
This begs the question, what is the difference between a multi-port bridge
and a switch? Or, what is a switch when it routes? I personally think
bridge and router convey with relatively little ambiguity the function of a
I thought the experience versus certification debate had finally died a
few days ago, but now it resurfaces over on the professional list. I may as
well weigh in.
The problem here is clear. Some folks with lots of experience are scared
(or merely offended) that some manager or client might
This may or may not be a Cisco issue but I am running DHCP on a NT 4.0
server and it's been giving Nacks for the past 5 days and is causing a major
headache. Every Nack has been coming from the same subnet as the DHCP server
which seems even more strange. I've watched the packets being
Man- I had one of these a few years ago and if I'm not mistaken it's a
DB9 female to DB9 female Null.
All the best !!!
Phil
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
Justin Clark
Sent: Tuesday, May 21, 2002 10:52 AM
To: [EMAIL PROTECTED]
Cisco ws-c1900 switch. Using db9F-rollover-db9F or null modem cable I can
connect to the console port and get into Diag Console fine, but when I try
to just plug in and configure the switch it just starts spitting out
ATQ0H0 in hyperterminal PE. I hunted around and a couple places that I
found
Last but certainly not least, how many mainframe guys know IP networking.
You provide
me a list?Answer is very few.
Not where I work.
I know and have worked with quite a few mainframe guys (and at least one
extremely knowledgeable mainframe gal - although I'm not sure she'd
appreciate the
Oh News flash!
Consider getting a job where you use Cisco Security products?
And you work for Cisco too... Now I really wonder about that company
Theo
elmoufti
Sent by: [EMAIL PROTECTED]
05/22/2002 02:47 AM
Please respond to elmoufti
To: [EMAIL PROTECTED]
Whadda ya mean remember? We still have them and we have to support them as
well as TR, Ethernet , SNA, Cisco,IP,Cabletron, Coax, etc.
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, May 21, 2002 12:57 PM
To: [EMAIL PROTECTED]
Subject: RE: Logic and
Take the covers off and take a big, giant fat and blow, baby, blow.
Are better yet, how about moving it out of the living room or put some
insulation in the room that it's in.
But then again, 2500's are so cheap these days why bother. Remove the fans
and buy another one when it melts!
And it's worth mentioning a couple other things too, just to confuse
matters. ;-)
Although a switch behaves like a multiport bridge, it is often placed in a
topology where a hub used to go. Because a switch has so many ports, people
use them to connect individual stations. Bridges were rarely
I have a new book coming out soon for the Support Test. And I plan to
manage my own errata sheet (which hopefully will be very small ;-) rather
than let the publisher do it. There's more info here:
http://www.troubleshootingnetworks.com/
Priscilla
At 01:13 PM 5/21/02, Robert Kulagowski
At 05:11 PM 5/21/02, rtiwari wrote:
is it good to say that
Bridge supports up to 16 ports ans is software based.
No, I think the discriminator is 15 ports. Just KIDDING! Seriously,
assigning a number is not necessary. Most bridges had just two ports, but
there probably were a few vendors that
At 03:56 PM 5/21/02, Thompson Alton wrote:
Do you remember Mainframe systems???
Yes. (And if you were asking Howard, the answer is emphatically YES ;-)
Do you remember LU and PU and logic
controllers??
Yes.
Do they all work the same as IP networks or VOIP and IP
telephony networks?
Yes,
5/21/20029:00pm Tuesday
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No such thing.
Thanks
Larry
-Original Message-
From: nettable_walker [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, May 21, 2002 9:06 PM
To: [EMAIL PROTECTED]
Subject: anybody ever try to make a token ring crossover cable ? [7:44682]
5/21/20029:00pm Tuesday
Message Posted at:
Amen to that. Humility is called for on both sides.
Apparently I've been tagged around here as the 'King Experience' guy. The
very ironic thing is that on another message board, I was the person who was
arguing that experience was NOT as important as other posters had indicated
(this was an
Are you sure it's not DB9 to DB9 rolled? We have some of these older 1900s
around, and we simply take the standard Cisco console (rolled) cable and
stick a RJ-45 to DB9 connector on (similar to the one used to connect the
cable to the laptop).
Mike W.
Phil Lorenz wrote in message
[EMAIL
Thompson Alton wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
Do you remember Mainframe systems??? Do you remember LU and PU and logic
controllers?? Do they all work the same as IP networks or VOIP and IP
telephony networks?
Do you know all the traffic in your data network???
On the other hand, who's more likely to show up to work late? Or show up
drunk or high? Or get into a fight with his coworkers? Or surf porn in
front of female coworkers? The guy who's been in the working world for
25
years or a new kid?
Umm, off-topic, but enlighten me, please. Why is it
At 03:56 PM 5/21/02, Thompson Alton wrote:
Do you remember Mainframe systems???
Yes. (And if you were asking Howard, the answer is emphatically YES ;-)
HeHe! Heck I was doing some file transfer troubleshooting on a Mainframe
towards the end of last year, I got elected because I knew the
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