7206 VXR NPE-G1 throughput

Mikael Abrahamsson swmike at swm.pp.se
Thu Feb 13 03:08:02 UTC 2014

On Wed, 12 Feb 2014, Vlade Ristevski wrote:

> My Cisco SE brought up an interesting alternative. This summer we're 
> replacing our 6513 Sup720 with a pair of 6807 with redundant Sup 2Ts. It 
> is where all our internal Fiber terminates and where internal routing 
> happens. He said we can add extra memory and terminate our BGP sessions 
> here and use that for our Internet connections. After thinking it over, 
> I'd still rather have dedicated routers for our Internet access but I'm 
> curious what you guys think about this suggestion.

A lot of people use SUP720-3BXL and RSP720-3CXL for full BGP table 
routing. This will work just fine until the IPv4 routing table reaches 
800k entries or something (if you want to do IPv6 at the same time, you 
probably don't want to go over 800k IPv4 routes and 50k IPv6 routes to 
have a little bit of margin of the around 1M routes the XL sup can 

Mikael Abrahamsson    email: swmike at swm.pp.se

More information about the NANOG mailing list