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.