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BGP community translation

Hello,

is it possible to translate communities on incoming BGP updates like this.

ip community-list expanded TRANSLATE permit 1:2020

route-map TEST permit 10

match community TRANSLATE

set community 123:2020

I have tried seting this route-map on the input side and output side, but it doesnt seem to work.

Is there some other way to do this

1 REPLY
Hall of Fame Super Silver

Re: BGP community translation

Hello Armin,

you need to apply the route-map on the neighbor session inbound but be aware that so doing you are filtering all other possible prefixes.

I would suggest to add an empty second block

route-map TEST permit 20

if you want you can add your community to the other one using the option additive

3) verify if the advertisements have already multiple communities values the extended community ACL can have two modes : exact match or if one of the values match.

Hope to help

Giuseppe

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