[c-nsp] c3560 L3 throughput with BGP

Adrian Minta adrian.minta at gmail.com
Mon Oct 29 11:11:52 EDT 2007


Primoz Jeroncic wrote:
> Hi guys
>
> We have to change c7206 NPE300 with something faster. We are limited to
> 3HU box, so one option would be Cat3560 or 3750. I can't test this
> myself, unless I just put box into production and hope for the best, so
> I would appreciate any comment from people who use those two boxes in
> similar situation. Few requirements which these boxes need to support
> are following.
>
> 1. Handling approximately 500Mbps each way (about 1Gbp total throughput)
> 2. Handling BGP peerings with up to 20 peers with total of 200-300 prefixes
> 3. Complete BGP support (communities, filtering etc.)
> 4. Of course boxes are basically acting as router, so both ports are
> separate L3 ports.
>
> That's about it.
>
> So is anyone running c3560 or c3750 in similar conditions? If so, how
> do they behave? My main concern is high cpu load with such amount of
> traffic.
>
> Thanks for help.
>
> Have nice rest of day,
> Primoz Jeroncic
> Support - IP Connectivity & Routing
>
>   
C3560 and c3750 are both switches witch means line rate speeds as long 
as your number of routes is smaller than TCAM size. One prefix more and 
everything goes kaboom.
I suggest to take a look at Cisco 7201 router.

-- 
Best regards,
Adrian Minta





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