[j-nsp] Sending iBGP prefixes to another iBGP neighbour
Mike Williams
mike.williams at comodo.com
Thu May 5 13:17:57 EDT 2016
Wow, fast responses!
Simply setting "cluster <32bit thing>", turning the MX104 into a route
reflector, sorted it right out.
Thanks all.
Mike WilliamsOn Thursday 05 May 2016 17:37:06 wrote:
> Hey all,
>
> I could very well either be doing this completely wrong, or attempting to do
> the impossible, but...
>
> We have BIRD on Linux using BGP to send prefixes to the MX104 over a direct
> connection, I need to send those prefixes to an MX80 directly connected to
> the 104.
>
> At the 104 end of the 104<->80 peering there is just an export policy, that
> simply matches on "from protocol bgp" and the BGP community assigned the
> prefixes I want, then accept and next-hop self.
>
> In isolation, the policy works.
>
> > test policy blah <prefix>/32
>
> ...
> ...
>
> Policy blah: 1 prefix accepted, 0 prefix rejected
>
>
> The MX104 never actually advertises any prefixes to the MX80 though.
>
> > show route advertising-protocol bgp <mx80>
>
> ... zilch ...
>
>
> Is there some inbuilt protection preventing iBGP prefixes from being sent to
> another iBGP neighbour?
> Or am I just doing it wrong?
>
> advertise-peer-as and as-override have no impact.
>
>
> Thanks
--
Mike Williams
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