From: Lars Christensen (perseusdk@gmail.com)
Date: Sun Jul 20 2008 - 11:03:29 ART
Hi Vinod
I believe you won't get any other answer from the proctor that: "You are a
CCIE candidate, hence you are able to figure out which AS number the BB
router has been configured with."
And the proctor is right... You actually can identify the right remote AS
number from the debug output. Try take a look at
http://fengnet.com/book/Optimal%20Routing%20Design/ch06lev1sec1.html or
http://www.groupstudy.com/archives/ccielab/200711/msg01765.html
Regards,
Lars Christensen
CCIE #20292
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Vinod Lodhi
Sent: 20. juli 2008 15:51
To: ccielab@groupstudy.com; ccie-rs@ieoc.com
Subject: Peer in wrong AS at BB2 router | Will proctor tell us the right AS
or will provide the access to BB router?
Hi:
How to attempt the question if the BB (Backbone router) is configured in
wrong AS for neighbor. Will we get the access to BB routers in LAB exam or
proctor will tell us the configured AS for that neighbor.
This question I got from the Jeff Doyle book, I was wondering if this
happened with BB router, how will we get the right information as we don't
have access.
Question details:
===================================================
2: Example 3-167 shows debug output from routers R1 and R5 in Figure 3-37.
What problem do the messages indicate?
Example 3-167 debug Output from R1 and R5 in Figure 3-37
R1#debug ip bgp
BGP debugging is on
R1#
BGP: 172.16.255.5 open active, local address 172.16.255.6
BGP: 172.16.255.5 sending OPEN, version 4
BGP: 172.16.255.5 received NOTIFICATION 2/2 (peer in wrong AS) 2 bytes 000A
BGP: 172.16.255.5 closing
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