[c-nsp] Pix performance
Kenny Sallee
k_sallee at yahoo.com
Mon Jan 30 23:31:24 EST 2006
Pix throughput is listed here:
http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/ps2031/
And here under performance summary at the bottom:
http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_data_sheet09186a0080091b18.html
Marketing numbers of course. Try AES if you are not
using it -- it will perform a little better.
This link also provides excellent info on packet sizes
and PMTUD issues with tunneling.
http://www.cisco.com/warp/public/105/pmtud_ipfrag.html
No specific answers but good reading info
Kenny
--- Dan Shalinsky <dshalinsky at gmail.com> wrote:
> Hi,
>
> I believe that ESP adds around 20 bytes to the
> standard TCP header. That
> being said, it won't significantly affect throughput
> by increasing
> overhead. The throughput limitation is more due to
> the encryption process
> being CPU intensive.
>
> I can't find any pps specs on a 501, but I would
> think it should be able to
> push more than 1200pps and 0.5 mbps. For sure, it's
> not an overhead
> problem. HTH.
>
> Regards,
> ~Dan
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