Tag Archives: route-map

One single route-map for both IPv4 and IPv6 BGP prefixes

I just want to share here a note-to-myself about route-maps and IPv4/IPv6 BGP prefixes matching.

R1 and R2 were BGP speakers, R1 was announcing both IPv4 and IPv6 prefixes to R2 and I wanted to set, let’s say, different weights on those prefixes: weight = 4 to the IPv4 prefix and weight = 6 to the IPv6 prefix. It’s stupid, of course, but it’s just to simplify the real task I had to face. 🙂

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