v6 routing pessimism

[Udo Steinegger]

On Thu, May 19, 2005 at 02:50:03AM +1000, Philip Smith wrote:
Hi Phil,

> Well, for the record we've added no new "transit" tunnels for at least
> two years. There are sufficient providers of IPv6 connectivity now that
> Cisco doesn't really need to be helping with providing this boot strap
> service any more.

that is indeed a good start.

 
> And last year I "fixed" non-US transits by local pref'ing them out of
> sight at my end, and doing the single AS-PATH prepend outbound. 109
> appears twice in the AS-PATH - so it takes some pretty severe brokenness
> to send stuff our way. Maybe I need to do more prepends, but I suspect
> it's broken filtering somewhere along the way that's causing some of this.

I tend to agree with Alexander. prepending once doesnt look any good.
Especially on peering sessions with "route swappers".


best regards

Udo