[48492] in North American Network Operators' Group
Re: Bogon list
daemon@ATHENA.MIT.EDU (Sabri Berisha)
Thu Jun 6 05:12:34 2002
Date: Thu, 6 Jun 2002 11:10:42 +0200 (CEST)
From: Sabri Berisha <sabri@cluecentral.net>
To: <nanog@merit.edu>
In-Reply-To: <20020604194700.GZ12164@overlord.e-gerbil.net>
Errors-To: owner-nanog-outgoing@merit.edu
On Tue, 4 Jun 2002, Richard A Steenbergen wrote:
> Exchange point blocks SHOULDN'T be transited by anyone, therefore you
> should not hear them from your peers.
The combination of not having a globaly routable ixp-block and using
(perhaps the non-cisco equivalent of) ip verify unicast reverse-path can
brake pmtu discovery. Imagine a router sending a fragment-needed from its
ixp-address to a client and a router inbetween discarding the packet
because it doesn't have a route for it.
--
Sabri Berisha
"I route, therefore you are"
~ my own opinions etc ~
Join Megabit LAN in open air! http://www.megabit.nl
