From: Patrick Galligan (pgalligan@gmail.com)
Date: Tue Feb 19 2008 - 04:10:17 ARST
On Feb 18, 2008 12:35 AM, Rookie Ccie <rookie.ccie@gmail.com> wrote:
>
> The problem is how to find this AS number, I have seen several threads
> regarding this but no proper solution. Some say it's the hex number
> in "debug ip bgp" but it does not give what we want.
>
> If some one has a solution please let us know.
>
With V12.4(15)T3 on a 3825, debug ip bgp is all you need.
You will get output in logs such as:
BGP: 203.5.192.1 bad OPEN, remote AS is 65500, expected 100
This occurs 2 lines before the notification with the hex numbers and
the "peer in wrong AS" message
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