[c-nsp] CPU and Bandwidth utilization on a 7206VXR

[Eric Kagan]

> 
> I'm trying to determine the kind of backplane I would need in 
> a 7206vxr to sustain 50-80Mbps.  I currently have a NPE-300.  
> The router is our gateway. Right now we do about 35Mbps @ 
> ~60% cpu.  I'm wondering if I could get by with an NPE-400.  
> I'd love a G1, but don't think I can pull that off right now. 
> Does anyone have a similar setup?

When you say 35mb or 50-80mb is that total on the router over all interfaces
or 35/50-80 in/out from upstream and then 35/50-80 pass through to LAN ?  We
are doing about 60-80mb in bound on FE from upstream and 60-80 in bound on
FE to LAN on one of our border VXR/400, 512mb and the CPU sits about 45% -
based on this you should be fine with a 400.  Do you have CEF running ?  The
CPU seems a bit high for the 300 currently with 35mb

Eric