Andy Furniss wrote:
> Patrick McHardy wrote:
> 
>>> HTB default qlen is that of the device or 3 if it is less. Maybe it
>>> should be increased 30? 3 is pretty useless for thoughput, but means
>>> that people who don't specify/get default lengths on sub queues get a
>>> half working setup.
>>
>>
>>
>> That only affects the "direct queue" for unclassified packets, doesn't
>> it?
> 
> 
> 
> tc qdisc add dev ppp0 handle 1:0 root htb
> tc class add dev ppp0 classid 1:1 htb rate 220kbit
> tc filter add dev ppp0 protocol ip u32 match u32 0 0 classid 1:1
> 
> gives a 3 pkt queue I think each class gets 3 if there are more classes

That is because you use it on a ppp device and the default txqueuelen
is 3. I guess it would make sense to increase the queue len of the
default queues with HTB (and HFSC), I'm just not sure how what value
would be appropriate. txqueuelen * 10? That would be quite a lot on
ethernet devices. Ideally it should depend on the fraction of the
reserved bandwidth ..
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