[162179] in North American Network Operators' Group
Re: route for linx.net in Level3?
daemon@ATHENA.MIT.EDU (Randy Bush)
Thu Apr 4 16:43:55 2013
Date: Fri, 05 Apr 2013 05:43:44 +0900
From: Randy Bush <randy@psg.com>
To: Joe Abley <jabley@hopcount.ca>
In-Reply-To: <93BEDCB3-BBC0-4388-9BB1-22B3BBDB29C0@hopcount.ca>
Cc: nanog@nanog.org, Brian Dickson <brian.peter.dickson@gmail.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
>> Even if the exchange does not advertise the exchange LAN, it's
>> probably the case that it is in the IGP (or at least IBGP) of
>> everyone connected to it,
yikes! this is quite ill-advised and i don't know anyone who does
this, but i think all my competitors should.
> I have experience of several networks where that is not the case. IGP
> carries routes for loopback and internal-facing interfaces;
i have seen some carry external because, for some reason, they do not
want to re-write next-hop at the border.
randy
