[48437] in North American Network Operators' Group
Re: Bogon list
daemon@ATHENA.MIT.EDU (Majdi S. Abbas)
Tue Jun 4 16:39:29 2002
Date: Tue, 4 Jun 2002 13:37:44 -0700
From: "Majdi S. Abbas" <msa@samurai.sfo.dead-dog.com>
To: Clayton Fiske <clay@bloomcounty.org>
Cc: NANOG <nanog@merit.edu>
In-Reply-To: <20020604132404.A72899@bloomcounty.org>
Errors-To: owner-nanog-outgoing@merit.edu
On Tue, Jun 04, 2002 at 01:24:04PM -0700, Clayton Fiske wrote:
> How does the absence of an IXP route affect traceroutes -through- it?
> The IXP device has a route back to the source of the trace, so it can
> reply. The traceroute packets are addressed to the ultimate destination,
> so they don't need the IXP route.
Quite a few GUI traceroute products expect to be able to ping
each hop, and produce statistics based on that...definitely a bad
approach, particularly utilizing ICMP, but that's the common practice.
I cannot count the number of tickets I've seen opened because someone
didn't know how to properly interpret traceroute data.
--msa
