This is made easier by the cisco allowing regular expressions in the extcommunity list,
an RT scoping policy can be implemented as a result.

------------------------------------------------
David Freedman
Group Network Engineering
Claranet Limited
http://www.clara.net



-----Original Message-----
From: Mark Tinka [mailto:mtinka@globaltransit.net]
Sent: Fri 4/4/2008 11:07
To: David Freedman
Cc: nanog@merit.edu
Subject: Re: L3VPN VPNv4 NLRI - Route Reflector Scaling

On Friday 04 April 2008, David Freedman wrote:

> The downside to this of course is that the RRs spend time
> discarding prefixes when update time comes around for the
> PEs.

And also, of course, the fact that you have to maintain the
Extended communities on the route reflector(s).

Cheers,

Mark.