[c-nsp] BGP Med and outbound metric

Peter Rathlev peter at rathlev.dk
Thu Apr 30 12:56:55 EDT 2009


On Thu, 2009-04-30 at 12:51 -0400, Matthew Huff wrote:
> rtr-feed2 is on our side. What I'm attempting to do is to pref
> rtr-feed1 over rtr-feed2 (hence the 200 metric).
> 
> I'm also seeing the metric of 0 on the "show ip bgp neighbor
> 10.151.0.82 advertised-routes".

Well, as I tried writing:

On Thu, 2009-04-30 at 18:49 +0200, Peter Rathlev wrote:
> You can only see the results of an outbound route-map on the other side.
> The metric you see on your side is the one you box knows about.

This is also true when showing "advertised-routes", which just shows you
the routes from your own local table that being sent to the neighbor,
but before the route-map has had a chance to change anything. AFAIK the
only way of seeing what they receive is on their side.

> Are you sure they would accept the MED setting? It's quite normal to
> clear this inbound to enforce some standard policy.

This is also still relevant. Do you have an agreement with them on this?

Regards,
Peter




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