Trouble reaching and

Niels Bakker niels=cluenet at
Fri Oct 20 16:48:58 CEST 2006

* jhma at (James Aldridge) [Thu 19 Oct 2006, 16:59 CEST]:
>For a while, because of a configuration error, we were announcing our 
>/42 without setting the 'no-export' community.  This is now fixed but 
>the old route may be stuck in some routers out there.

Seems to work now, at least I see the route with that community.

>In general we would prefer traffic to follow the SURFnet path from 
>anywhere except directly peered networks.  As you say, this doesn't work 
>when a peer decides not to honour our 'no-export' :-(

However, any site downstream of Tiscali will get the /42 and use that in
favour of SURFnet's aggregate route.

>So, to any of the RIPE NCC's IPv6 peers who may be reading this, please 
>honour our 'no-export' (it's there for a reason!) and do NOT advertise 
>2001:610:240::/42 to your peers and/or upstreams.  If you insist on 
>propagating our route then, at the very least, do not filter the traffic 
>which the route attracts.

Tiscali (AS3257) removes any and all communities.  I have a separate 
peer-group for them.

	-- Niels.

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