[LARTC] help htb class

[Ciprian Niculescu <Ciprian.Niculescu@xxxxxxxxxxx>]

tc qdisc del dev eth0 root
tc qdisc add dev eth0 root handle 1: htb default 5
tc class add dev eth0 parent 1: classid 1:1 htb rate 5mbit prio 1

tc class add dev eth0 parent 1:1 classid 1:2 htb rate 3mbit prio 2

tc class add dev eth0 parent 1:2 classid 20:1 htb rate 2mbit
RTNETLINK answers: Invalid argument


i don't understand, why???

C