dummynet dropping too many packets

[rihad]

Julian Elischer wrote:
> rihad wrote:
>> Julian Elischer wrote:
>>> Luigi Rizzo wrote:
>>>
>>> Is it possible to know what sessions are losing packets?
>>>
>> Yes, of course, by running ipfw pipe show ;-)
>> There's one confusing thing, though: net.inet.ip.dummynet.io_pkt_drop 
>> isn't increasing while around 800-1000 packets per second are being 
>> dropped right now. And so "ipfw pipe show" Drp column wouldn't grow 
>> either. So it's either not dummynet dropping packets, or a bug (?).
> 
> 
> I suspect your interface queues.
> 

You mean in hardware? Any way to tweak those?