[c-nsp] 3550 Switches

Tantsura, Jeff jeff.tantsura at capgemini.com
Mon Aug 9 04:28:28 EDT 2004


3550-12 has 24 Gbps switch fabric and forwarding rate of 17 Mpps
3550-24 has respectively 8.8 Gbps switch fabric and forwarding rate of
6.6 Mpps

Jeff

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Andrew Fort
Sent: Monday, August 09, 2004 4:25 AM
To: Paul Stewart
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] 3550 Switches

Paul Stewart wrote:
> Why the 3550-12T version and not a 3550-24-EMI for example?  Is there
> a difference besides 100/1000 on the ports?  This is for low bandwidth

> (total of maybe 20 Mb/s at the entire site)...
>
> Thanks,
> Paul

One thing that may effect you depending on your application: 3550-12*
support 2K (i.e., 2000) byte MTU (-24* models only support 1546 max
mtu).   I think the total (T)CAM resources available (numbers of MAC
addresses, routes, etc possible) may also be different?

cheers,
andrew
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