[92554] in North American Network Operators' Group
Re: icmp rpf
daemon@ATHENA.MIT.EDU (Patrick W. Gilmore)
Mon Sep 25 15:01:27 2006
In-Reply-To: <20060925162214.6A24F284A0@noc.mainstreet.net>
Cc: "Patrick W. Gilmore" <patrick@ianai.net>
From: "Patrick W. Gilmore" <patrick@ianai.net>
Date: Mon, 25 Sep 2006 14:59:04 -0400
To: nanog@merit.edu
Errors-To: owner-nanog@merit.edu
On Sep 25, 2006, at 12:22 PM, Mark Kent wrote:
> Jared Mauch wrote:
>>> I would hope they're doing it for more than just ICMP packets.
>
> yes, loose RPF, but I just care about ICMP.
>
>>> I would argue should be, or is a current best practice.
>
> OK, so I must have missed the memo :-)
It's been all the rage. :)
> Who among AS1239, AS701, AS3356, AS7018, AS209 does loose RPF
> (not just strict RPF on single-homed customers)?
I'm wondering why that is relevant.
If all those ASNs only filtered on ASN instead of prefix for customer
announcements (for instance), would that mean no one should?
--
TTFN,
patrick
