[c-nsp] cat6500/fwsm performance

[David White, Jr. (dwhitejr)]

And here is a great doc TAC wrote up on single flow TCP performance
which should answer all your questions:

https://supportforums.cisco.com/docs/DOC-12668

Sincerely,

David.

Jeff Bacon wrote:
>> I recall it being two 3Gbps etherchannels, so I'd always assumed no
>> single flow could exceed 3Gbps.  The PoXXX interfaces don't have
>> explicit gigabit members - any chance you know where to find some
>> documentation showing the single-gigabit/flow limit?
>>     
>
>
> from the 4.1 config doc, page 2-8: 
>
> The connection between the FWSM and the switch is a 6-GB 802.1Q trunking
> EtherChannel. This
> EtherChannel is automatically created when you install the FWSM. On the
> FWSM side, two NPs
> connect to three Gigabit Ethernet interfaces each, and these interfaces
> comprise the EtherChannel. The
> switch distributes traffic to the interfaces in the EtherChannel
> according to a distribution algorithm based on session information; load
> sharing is not performed on a per-packet basis, but rather on a flow
> basis.
>
>
>
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