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ICMPv6 rate limits breaking PMTUD (and traceroute) [Re: Comcast enables 6to4 relays]
- Subject: ICMPv6 rate limits breaking PMTUD (and traceroute) [Re: Comcast enables 6to4 relays]
- From: swmike at swm.pp.se (Mikael Abrahamsson)
- Date: Thu, 2 Sep 2010 07:18:35 +0200 (CEST)
- In-reply-to: <[email protected]>
- References: <326810.28.1283207579061.JavaMail.franck@franck-martins-macbook-pro.local> <[email protected]> <[email protected]>
On Wed, 1 Sep 2010, Simon Leinen wrote:
> Your mentioning PMTU discovery issues in connection with 6to4 prompts me
> to confess how our open 6to4 relay has probably contributed to the
> perception of brokenness of 6to4 for quite a while *blush*.
We're also doing the same thing, 6to4 on 7600. Could you please share your
configuration you're using on the tunnel interfaces? I thought 6to4
traffic was only supposed to be 1280MTU?
--
Mikael Abrahamsson email: swmike at swm.pp.se