From: Wright, Jeremy (JA_WRIGHT@admworld.com)
Date: Wed Oct 16 2002 - 09:47:12 GMT-3
i configured neighbor statements on both B and C for each other to make it
full mesh and it worked. i also backed that off and made D a route reflector
and that also worked. like i said before, i knew it was a sync problem but
it didnt appear to be one at first.
-----Original Message-----
From: Mingzhou Nie [mailto:mnie@yahoo.com]
Sent: Tuesday, October 15, 2002 9:59 PM
To: Wright, Jeremy; 'ccielab@groupstudy.com'
Subject: Re: Local Preference Problem
Did you configure full ibgp mesh in as 200? Keep in mind that
routes/attributes learned from ibgp neighbor will not be passed to
other neighbors. That's idea behind ibgp full mesh.
Ming
--- "Wright, Jeremy" <JA_WRIGHT@admworld.com> wrote:
> here is my topology (same topology as page 559 of the gold
> saterlee/hutnik
> book). router A (loopback 1.0.0.0) is in AS100 ebpg peering with
> router B
> and router C. both router B and C are in AS200. router B and C both
> have a
> link to router D which is also in AS200. im using ospf as my igp in
> AS200. D
> can reach A fine by bgp. ive configured router C to increase the
> local
> preference to 200 of inbound routes from router A (about network
> 1.0.0.0).
> when i do a sh ip bgp on router D the local preference is 200 and is
> going
> through router C to get to 1.0.0.0 which is what i wanted. however, i
> cannot
> get D to pass the local preference up to B that is in the same AS200.
> i have
> cleared ip bgp * on all AS200 routers. its my understanding that
> local
> preference is passed within AS200(not externally) but I cant get
> router B
> the local preference info from D. am i missing something? thanks
team.
=====
Mingzhou Nie, CCIE #10342
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