MTU handling in 6RD deployments
swmike at swm.pp.se
Fri Jan 17 17:14:44 CET 2014
On Fri, 17 Jan 2014, Templin, Fred L wrote:
> Sorry, I was looking at the wrong section. I see now that Section 8 is
> talking about a method for a CE to send an ordinary data packet that
> loops back via the BR. That method is fine, but it is no more immune to
> someone abusing the mechanism than would be sending a ping (or some
> other NUD message). By using a ping, the BR can impose rate-limiting on
> its ping responses whereas with a looped-back data packet the BR really
> can't do rate limiting.
You don't ping the BR, you ping yourself via the BR. The BR only forwards
> Also, Section 8 of RFC5969 only talks about the CE testing the forward
> path to the BR. Unless the BR also tests the reverse path to the CE it
> has no way of knowing whether the CE can accept large packets.
You misread the text.
Mikael Abrahamsson email: swmike at swm.pp.se
More information about the ipv6-ops