Andy Furniss wrote:
Jon Pedersen wrote:
Hi!
We want to run TCP streams to several port numbers through one interface,
each with a different delay set by Netem.
E.g. TCP streams to port 80 could have 50ms delay, while TCP streams
to port
81 could have 100 ms delay and so on.
We have tried to solve this by using a combination of tc filter and netem
rules, but we can't get it quite right.
We are considering one class per port, each with their own Netem delay
and
the following filter:
tc filter add dev eth0 protocol ip parent (?) prio 1 u32 match ip
protocol 6
0xff match u16 80 0xffff at 20
Is this possible? If so, how do you create the class hierarchy and how do
you combine each filter with the netem rule?
I've only used netem for simple stuff so am not sure if it's possible
this way or not.
Another way to try would be to use multiple ifbs and filter the
different traffic to those.
Andy.
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