[162226] in North American Network Operators' Group
Re: ICMP Redirect on Resolvers
daemon@ATHENA.MIT.EDU (Jimmy Hess)
Sat Apr 6 21:44:17 2013
In-Reply-To: <56427.1365289403@turing-police.cc.vt.edu>
Date: Sat, 6 Apr 2013 20:43:34 -0500
From: Jimmy Hess <mysidia@gmail.com>
To: Valdis.Kletnieks@vt.edu
Cc: North American Network Operators Group <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On 4/6/13, Valdis.Kletnieks@vt.edu <Valdis.Kletnieks@vt.edu> wrote:
> On Sat, 06 Apr 2013 10:38:06 -0400, shawn wilson said:
case, you shouldn't see any valid ICMP redirects. They're there mostly so
> things kind-of-sort-of work even if you botch it (so for instance, even if
> you whiff your default route accidentally, you can still ssh in from Tokyo and
> fix > it).
For ICMP redirects to do anything useful, a valid route has to
actually be there already, on the default gateway....
Perhaps you are thinking of proxy arp? :)
--
-JH
