Sam,
I think the question is: what is your average packet size?  Using
process or fast switching I should think that the packet size is almost
irrelevant to the router.  I have benchmarked many PCs and NICs running
certain routing software.  On a PCI bus PC the pps difference between 64
and 1518 octet frames was in the order of ten to twenty percent, i.e.
the routing decision consumes the bulk of the CPU bandwidth, shovelling
the rest of the packet through is low-overhead.
Marc

sam sneed wrote:
> 
> I noticed Cisco uses pps when they give their specs for routers, firewalls,
> etc. What is the assumed packet size when they come up with these specs?
I'm
> planning on using 2 2621's in HSRP mode (getting default routes via BGP)
and
> need to be able to support a constant 10 Mb/sec and would like know if
these
> routers will do the trick.
> thanks




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