[c-nsp] BGP neighbors & load

[Peter Nyamukusa]

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of a. rahman isnaini r. sutan
> Sent: 21 November 2007 05:00 AM
> To: Adam Greene; cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] BGP neighbors & load
> 
> Hi,
> 
> 
> I've been working with 7200 NPE-200 with more than 10 ibgp peers
> without any
> issue.
> And exchanging about 40-50 prefixes each of iBGP neighbor.
> 
> rgs
> a. rahman isnaini r. sutan
> risnaini at speed.net.id
> 
> 
> ----- Original Message -----
> From: "Adam Greene" <maillist at webjogger.net>
> To: <cisco-nsp at puck.nether.net>
> Sent: Tuesday, November 20, 2007 10:32 PM
> Subject: [c-nsp] BGP neighbors & load
> 
> 
> > Hi,
> >
> > I'm planning on setting up lots of eBGP neighbors on a 7200 NPE-200 /
> > 128MB RAM / 12.3(15b). Each neighbor would receive a default route
> from

As long as your only receiving default routes then BGP will not take up too
much resources I am sure this should be manageable
Unlike the full internet feed which is over 200K of routes

Cheers 
Peter Nyamukusa - MCSE, CCIP, A+, JNCIS-er

> > the 7200, and the 7200 would receive a single route announcement from
> each
> > neighbor.
> >
> > I wonder how many neighbors the router will support. Another way of
> asking
> > this could be how much CPU / RAM resources will each neighbor consume
> on
> > average?
> >
> > Currently the router terminates about 100 PPPoEoA DSL connections and
> runs
> > at about 12% CPU / 65MB RAM. We're just starting to set up BGP so
> that we
> > can provide redundancy on some of the links.
> >
> > Thanks for any insight ...
> >
> > Adam
> >
> >
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