[52590] in North American Network Operators' Group
Re: iBGP next hop and multi-access media
daemon@ATHENA.MIT.EDU (Ralph Doncaster)
Sun Oct  6 21:04:28 2002
Date: Sun, 6 Oct 2002 21:05:32 -0400 (EDT)
From: Ralph Doncaster <ralph@istop.com>
To: "E.B. Dreger" <eddy+public+spam@noc.everquick.net>
Cc: "nanog@merit.edu" <nanog@merit.edu>
In-Reply-To: <Pine.LNX.4.44.0210070041570.1110-100000@www.everquick.net>
Errors-To: owner-nanog-outgoing@merit.edu
> RD> When I setup a situation like the above, with Router B
> RD> advertising the 172.16.16.0/24 to router A, router A sees a
> RD> next hop of 10.10.10.2.  This is not good since packets from
> RD> A going to the 172.16.16 subnet get sent to Router B, which
> RD> then ARPs the desitnation, instead of just being ARPed by
> RD> router A.
> 
> Is this what you're trying to do:
> 
> 	route-map <foo>
> 	 match <whatever>
> 	 set ip next-hop <something>
Not really, what I want is router A to learn that ther is no next hop IP-
the subnet is on the local ethernet.
-Ralph