[c-nsp] How to set BGP commun. to none then to a value

Hank Nussbacher hank at efes.iucc.ac.il
Thu Aug 11 11:27:21 EDT 2005


On Thu, 11 Aug 2005, Rob Evans wrote:

route-map test permit 10
set community none

will also remove any community.

-Hank

> > We are doing peering to a neighbor ISP, we would like to secure
> > ourselves and null any communities coming from them, but then we want
> > to set a specific community on their routes to match it all over our
> > AS and use it for filters, can this be done in a signle route-map?
>
> Have you tried it and run into a problem?
>
> "set community <foo>" should do what you want.  If you need to leave
> the existing communities on, you need to do "set community <foo>
> additive".
>
> Rob
>
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