[LARTC] u32 filter and NAT

Linux Advanced Routing and Traffic Control

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I want to limit each user in my network to have limited bandwidth (let's say 256/128 kbit).
I use NAT (done with iptables).
Can I limit users on the outgoing interface using u32 using rules like:


tc filter add dev eth0 parent 1: protocol ip prio 17 u32 match ip src 10.10.10.10 flowid 1:10

It seem I made a mistake somewhere or NAT is done before routing and I must use iptables mangling. BTW what is the maximum for --set-mark ?

Thanks!

Szymon Miotk



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