[c-nsp] control iBGP advertisements

[Mark Tinka]

On Friday, December 06, 2013 05:19:46 AM CiscoNSP List 
wrote:

> Have a number of edge routers with customer prefixes +
> full tables, and I only want to distribute customer
> prefixes to other edge routers
> 
> So, would I set community "AS:nnn" on the route map "in"
> on our iptransit peering(For the full table prefixes),
> and then deny them(community) on the route map "out" on
> the iBGP peering to the edge routers?

Yes, communities are the best way to handle iBGP routing.

Prefix lists and AS_PATH lists are better used across eBGP 
sessions, although nothing prevents you from using prefix 
lists on iBGP sessions (other than it doesn't scale).

Cheers,

Mark.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: This is a digitally signed message part.
URL: <https://puck.nether.net/pipermail/cisco-nsp/attachments/20131206/224e83e2/attachment.sig>