RTNETLINK error ?

[김정훈]

Hi all,   During experiment on Almesberger, Jamal and Alexey's paper (Differentiated Services on Linux), I have an error.   I followed scripts in Sector 5.2 of the paper.   [root@ my host]# tc qdisc add dev eth0 handle 1:0 root dsmark indices 64 set_tc_index [root@ my host]# tc filter add dev eth0 parent 1:0 ip prio 1 tcindex mask 0xfc shift 2   RTNETLINK error: Invalid argument         <--- error message   What did I do wrong ?   Sincerely, jhkim