[c-nsp] CE routes

[David Freedman]

>CE-PE subnets are part of VRF and thus cannot be inserted into the core IGP,
>only in MP-BGP. It's way easier (and more scalable) to redistribute them
>than to list them in the per-VRF BGP configuration.

On this note, does a MP-BGP redist [static|connected] instruction incur an extra RIB walk 
as you scale in terms of VRFs on a PE? or is there a single walk and RDs are included/excluded
based on the redist commands?

Dave.

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