Oleg Bulyzhin wrote:
One more idea to check:
What happens if you rearrange your rules to shape 'in' packets?
i.e. use 'in recv bce0' instead of 'out recv bce0 xmit bce1'.
Wow, shape incoming packets? That's a good one - the packets could still
buffer up waiting to be output. I'm not sure this will eliminate
burstiness (if it IS the problem), but I'll no doubt try this if current
changes don't prove to be helpful. Currently we've been running running
a "ifq_drv_maxlen = 4096;" kernel with HZ=4000 for a few hours, 0 drops
so far with around 2700 entries in each of the two IPFW tables (no big
surprise so far, we had this with maxlen=1024 too with under 3000 entries).
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