[c-nsp] Output of bgp advertised-routes with next-hop-self
Randy
randy_94108 at yahoo.com
Sat Oct 8 19:55:00 EDT 2011
the "output" of the command you have executed locally will *always* display the *real* next-hop!
Execute the sh ip bgp <neigh> routes/received-routes - depending on config to *see* what your peer sees as next-hop!
The more-important question *IS* -
why do you have 'next-hop-self' configured?
1) e-bgp-speaker speaker sending updates to its i-bgp peer/s?
2) All peers(E an I on same broadcast segment OR part of an NBMA-cloud)- the behavior is the same!
./Randy
--- On Sat, 10/8/11, "Rolf Hanßen" <nsp at rhanssen.de> wrote:
> From: "Rolf Hanßen" <nsp at rhanssen.de>
> Subject: [c-nsp] Output of bgp advertised-routes with next-hop-self
> To: cisco-nsp at puck.nether.net
> Date: Saturday, October 8, 2011, 4:12 PM
> Hi,
>
> I was just wondering about the output of:
> sh bgp ipv6 unicast neighbors xxxxx advertised-routes
> sh ip bgp neighbors xxxxx advertised-routes
>
> I have configured "next-hop-self" and think that the "Next
> Hop" column
> should show the IP of my side of the (e)BGP session.
> Quagga and Foundry XMR behave that expected way, Cisco 7600
> does not
> (shows my internal nexthop no matter with or without
> "next-hop-self",
> shutting session has no influence either).
>
> Is that a bug or a "feature" ?
>
> Version:
> Cisco IOS Software, c7600s72033_rp Software
> (c7600s72033_rp-ADVIPSERVICESK9-M), Version 15.1(2)S,
> RELEASE SOFTWARE
> (fc1)
>
> kind regards
> Rolf
>
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