Routing problems to www.eurovision.tv 2400:CB00::/32 CLOUDFLARE

[Laurent GUERBY]

On Sat, 2012-06-16 at 15:45 +0200, Bernhard Schmidt wrote:
> On 16.06.2012 15:00, Laurent GUERBY wrote:
> 
> Hi,
> 
> > Our experience operating a /40 PA from RIPE is that a very low number of
> > AS filter at /32 on RIPE PA space and thus do not follow RIPE-532: based
> > on our users feedback we found only 3, one of which has announced it
> > will try to follow RIPE-532 in the future.
> 
> You might just not see the problem, because (as opposed to the 
> Cloudflare case) your /32 aggregate IS announced. Traffic will go out of 
> filtering ISPs and either hit the /40 more-specific somewhere or go on 
> down the /32 route.

Hi,

Yes the /32 is currently announced: our experience with AS not
respecting RIPE recommandations forced us to do so.

> csr1-0q1#sh bgp ipv6 2a01:6600::/32 long
> [...]
>     Network          Next Hop            Metric LocPrf Weight Path
> *>i2A01:6600::/32   2001:4CA0::5             0    100      0 680 3356 
> 174 39405 i
> * i                 2001:4CA0::5             0    100      0 680 3356 
> 174 39405 i
> % NOTE: This command is deprecated. Please use 'show bgp ipv6 unicast'
> 
> Yes, my network does not accept /40s from PA.

Out of curiosity what made you decide not to follow issuing RIR
recommandation in this matter?

Sincerely,

Laurent