[c-nsp] is it possible to set MED on a default route ?

[Vinny Abello]

At 10:22 AM 1/5/2005, Pierfrancesco Caci wrote:

>Hello, I have a customer that is asking for 2 circuits to be
>configured as main and protection. They also asked for the default
>route to be announced over BGP, and they have another provider that I
>know nothing of.
>
>The situation is more or less this:
>
>                   Work
>    My-router-A  --------|
>                         Customer -----  Other transit
>    My-router-B  --------|
>                   Prot
>
>Now, for what they announce to me, they can set a MED on the outgoing
>route-map and it will just work.
>
>But for what I announce to them, if they lower the localpref on the
>protection circuit, in case of fault all traffic will go to the other
>transit. As I am announcing them only the default route, can they set
>different MEDs on these 2 defaults in their inbound route-map ?

Yes. We do that all the time for customers. Just set their inbound route 
map on one of the BGP sessions to use an increased MED from the other one. 
We usually create a route-map that does just that and apply it both inbound 
and outbound on the backup BGP session. Simple and works great.

Vinny Abello
Network Engineer
Server Management
vinny at tellurian.com
(973)300-9211 x 125
(973)940-6125 (Direct)
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