Dear all When I add filter using the following command , RTNETLINK returned error message. Why? tc filter add dev eth0 protocol ip parent 1:0 pref 10 u32 match u32 00000016 0000ffff at nexthdr+0 flowid 1:10 RTNETLINK answers: Invalid argument It is taken from LARTC chapter 12.1.1 U32 selector. Regards, philip
