[LARTC] Filter for large packets?

Linux Advanced Routing and Traffic Control

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I figure it should be

tc filter add dev $DEV parent 1: protocol ip prio 10 u32 \
  match ip protocol 6 0xff \
  match u8 0x05 0x0f at 0 \
  match u8 0x04 0x04 at 2 \
  match u8 0x10 0xff at 33 \
  flowid 1:30

but it doesn´t work... what am I doing wrong?

regards,
Simon


Simon Stemplinger wrote:

> Hi,
>
> i am using the wondershaper script on a DSL-router-firewall 
> combination for several LAN clients. My Problem is that the port based 
> filter rules dont match bulk traffic satisfyingly, because many file 
> sharing programs allow to use custom ports. Usually a few connections 
> that is not recognized as bulk are enough to fill up the 1:20 queue 
> and slow down www and other normal traffic. Can anyone tell me a 
> filter rule that matches Packets greater that a certain number of 
> bytes. I think classifying outgoing packets > 512 or 1024 bytes as 
> bulk should help here. Do you think this is a good idea, or am i 
> missing something?
>
> What would be a good size threshold to separate normal from bulk traffic?
>
> regards,
> Simon






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