Re: Attributes of Advertised Routes

From: Joseph D. Phillips (josephdphillips@fastmail.us)
Date: Thu Aug 19 2004 - 11:30:01 GMT-3


I believe it's show ip bgp neighbor x.x.x.x routes

The show ip bgp neighbor x.x.x.x advertised-routes displays the prefixes
you're sending to that neighbor

On Thu, 19 Aug 2004 08:35:02 -0400, gladston@br.ibm.com said:
> Is there a way to check the BGP attributes of advertised routes from R2
> to R3 using commands on R2 (suppose you can not access R3)
>
> For example,
>
> r2#sh ip bgp ne 172.16.23.3 advertised-routes
> BGP table version is 42, local router ID is 172.16.2.2
> Status codes: s suppressed, d damped, h history, * valid, > best, i -
> internal
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
> Network Next Hop Metric LocPrf Weight Path
> *> 172.16.1.0/24 172.16.12.1 0 0 1 i
>
> R2 is advertising 172.16.1.0 to R3, but the Next Hop and Path are not the
> attributes used on the UPDATE send to R3.
>
> Below are the attributes received by R3, but is there a way to see them
> on R2 besides debuging?
>
> r3#sb
> BGP table version is 36, local router ID is 172.16.3.3
> Status codes: s suppressed, d damped, h history, * valid, > best, i -
> internal
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
> Network Next Hop Metric LocPrf Weight Path
> *> 172.16.1.0/24 172.16.23.2 0 2 1 i
>
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