[c-nsp] 3550 as a BGP Router

Arie Vayner (avayner) avayner at cisco.com
Thu Sep 13 10:41:00 EDT 2007


One thing to worry about in 3550 is the number of actual routes
installed in the FIB, as it installs them in the HW forwarding TCAM,
which does not have too much room (something like 2000 should be the
safe limit). If all you need is 100 routes, then it should be fine.

Arie 

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Skeeve Stevens
Sent: Wednesday, September 12, 2007 18:51 PM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] 3550 as a BGP Router


Hey all

I know BGP on switches has been discussed a lot, and how, yes it is
unwise from number of routes perspective.

But what I am looking for is setting up a 3550 with about a dozen ISP's
connected to it.

The ISP's would BGP peer and announce their own routes into it (<100)
and basically just take each others routes for a neutral peering
situation.

Would the 3550 handle that?  Number of routes here isn't an issue. but
the number of BGP sessions. what wise advice would people offer
regarding that?

.Skeeve

--
Skeeve Stevens, RHCE
skeeve at skeeve.org / www.skeeve.org
Cell +61 (0)414 753 383 / skype://skeeve

eintellego - skeeve at eintellego.net - www.eintellego.net
--
I'm a groove licked love child king of the verse Si vis pacem, para
bellum


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