nanog mailing list archives

Re: verio arrogance


From: Ralph Doncaster <ralph () istop com>
Date: Mon, 15 Jul 2002 18:37:09 -0400 (EDT)


On Mon, 15 Jul 2002, Richard A Steenbergen wrote:

On Mon, Jul 15, 2002 at 05:10:28PM -0400, Ralph Doncaster wrote:
Announcing a covering /20 along with the regional more specifics I have
will only serve to increase the size of the routing table for most
backbones, and lead to sub optimal routing in some cases since I'm
announcing the more specifics due to geographical diversity.

Announce the /20 to your transit providers, and the more specifics with 
no-export. Verio's position is that they don't want to or need to hear 
your /23s unless you are a customer, and for the most part they are right.

But I've broken my /20 into a /21 for Ottawa, a /22 for Toronto, a /23 for
Montreal, and a /23 for expansion.  I'm currently only getting transit in
Toronto, but will have a second transit provider restored in Ottawa (I was
using GT for a short while).  While announcing the the /20 will my network
is reachable for single-homed Verio customers, it won't provide the true
best path that simply accepting the regional more specifics.

-Ralph


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