[c-nsp] 3550 Switch and BGP

[Kristofer Sigurdsson]

Peter Hicks, Tue, Mar 08, 2005 at 05:00:10PM +0000 :
> Hi Chris
> 
> Chris Moore wrote:
> 
> >  As far as BGP goes, all I'll be doing is advertising a subnet or two
> >  and getting just default routes or perhaps directly connected routes
> >  from the providers. A pair Cisco 3550s with EMI should be able to
> >  handle this, right? I would guess it probably wouldn't handle
> >  receiving the full routing table? I get a lot of conflicting advise
> >  on how to size a router/switch for BGP.
> 
> Last time I looked, the 3550s couldn't do BGP even with EMI.  They can 
> do the lower-end protocols - EIGRP, OSPF and RIP (does anyone still use 
> this?) but not BGP.  I think you'll need a proper router rather than L3 
> switch.

3550's with EMI can do BGP (and yes, I, for one use OSPF and I'm quite happy
with it).  However, as others have noted, 3550's max out in 16k routes (or
12k with the lower end 3550's).

-- 
Kristófer Sigurðsson         | Tel: +354 525 4103 / MSN: ks at rhi.hi.is
Netsérfr./Network specialist | Reiknistofnun HÍ/University of Iceland