Hi, all, I am a newbee to tc. I want to create a filter on port 2323, but got an error like this. Anyone can help me? [jason at localhost network]$ sudo tc -s qdisc ls dev eth0 qdisc mq 0: root Sent 1483890 bytes 3617 pkt (dropped 0, overlimits 0 requeues 0) rate 0bit 0pps backlog 0b 0p requeues 0 [jason at localhost network]$ sudo tc filter add dev eth0 parent 0: protocol ip u32 match ip dport 2323 0xffff flowid 1:0 RTNETLINK answers: Operation not supported We have an error talking to the kernel Regards,Jason jason.zhao at sumscope.com