Nothing special to do here, providing you don't delete them, they are added.
On 2010-08-02, rh...@hushmail.com <rh...@hushmail.com> wrote:
> Hi,
>
> At the moment, in my bgpd.conf, I've got the following amongst my
> import filters :
>
> # Set communities (AS64515)
> match from group "AS64515" community 64516:* set community delete
> 64516:*
> match from group "AS64515" set {community 64516:2,community
> 64516:64515}
>
>
> Basically the goal is to :
> (1) Remove any communities that would match those I use internally
> (i.e. 64516:*)
> (2) Append my communities to existing communities being received.
>
> Number two is where I'm having problems. For troubleshooting and
> traffic engineering, I would like to preserve any communities I am
> receiving from my transit providers, whilst at the same time adding
> a couple of extra communities for my own internal use.
>
> However this does not seem to be possible with bgpd. Unless I've
> missed something obvious in the man pages
