[c-nsp] BGP Tunnel or other alternative

[sthaug at nethelp.no]

> > 1. The Cat6500's do not run BGP.  I have heard from others that 6500's 
> > can't
> > handle BGP well, and so have avoided it.  If someone has something to say
> > contrary to this, please let me know (perhaps an IOS version) so I can 
> > look into this
> > as running BGP on the 6500's is a solution.
> >
> In my experience, 6500's with 512 MB Sup2  or above running in native 
> mode handle BGP fine. Hybrid mode resulted in lots of bad crashes on BGP 
> 6500's, but that was several years ago.
> Native has always been fine re BGP, at least for 2 full peerings, a 
> dozen peers and a few iBGP sessions, which was the most I put on one.

Same experience here. 6500 with 512 MB and native IOS runs BGP with full
routes just fine. One caveat: Don't turn on uRPF if you have full routes.

Steinar Haug, Nethelp consulting, sthaug at nethelp.no