I have a linux box that I use to simulate a WAN link between two nodes. This linux box has two subinterfaces on eth1 (eth1:11 and eth1:12). I'm successfully using netem / htb to simulate delay and bandwidth limits. However, it seems that the commands are applied globally to the eth1 interface, not to the subinterface. Is it possible to apply qdisc commands only to a specific sub interface?
For reference, here are the tc commands I am using:
tc qdisc add dev eth1:11 root handle 1:0 htb default 10 tc class add dev eth1:11 parent 1:0 classid 1:10 htb rate 1544kbit tc qdisc add dev eth1:11 parent 1:10 handle 10:0 netem delay 10ms 2ms 25% distribution normal