[48435] in North American Network Operators' Group

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Re: Bogon list

daemon@ATHENA.MIT.EDU (Clayton Fiske)
Tue Jun 4 16:24:38 2002

Date: Tue, 4 Jun 2002 13:24:04 -0700
From: Clayton Fiske <clay@bloomcounty.org>
To: NANOG <nanog@merit.edu>
In-Reply-To: <09559A69-77F8-11D6-A82B-00039312C852@automagic.org>; from jabley@automagic.org on Tue, Jun 04, 2002 at 04:17:04PM -0400
Errors-To: owner-nanog-outgoing@merit.edu


On Tue, Jun 04, 2002 at 04:17:04PM -0400, Joe Abley wrote:
> On Tuesday, June 4, 2002, at 03:47 , Richard A Steenbergen wrote:
> 
> > Exchange point blocks SHOULDN'T be transited by anyone, therefore you
> > should not hear them from your peers.
> 
[snip]
> Messy traceroutes make the helpdesk phone ring.

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.

-c


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