Re: Linux based router for Gigabit traffic

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On Sun, 22 Aug 2004, Anantha Kiran wrote:

> No, we are not using NAPI for this. But we wrote a net_hook module which
> catches the pkts before allowing it to go upper layers.
You should use NAPI. Without NAPI, interrupt load will kill your machine.

vmstat 1 -> if number of 'in' (interrupts) is more than 2000, you are not 
using NAPI.

> CPU utilization is 70+ while dropping.
> 
> Can u tell me the configuration of your low-end machine.Like PCI-bus,
> and others.
p4/3ghz, 865g chipset, onboard GE (which doesn't go through regular PCI 
bus).

-alex

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