./tc qdisc del dev eth1 root
./tc qdisc add dev eth1 root handle 1: htb default 10
./tc class add dev eth1 parent 1: classid 1:1 htb rate 100Mbit ceil 100Mbit

./tc class add dev eth1 parent 1:1 classid 1:10 htb rate 80kbps ceil 80kbps

./tc class add dev eth1 parent 1:1 classid 1:12 htb rate 80kbps ceil 80kbps
./tc qdisc add dev eth1 parent 1:12 handle 20: perflow rate 10kbps ceil 15kbps limit 7
./tc filter add dev eth1 parent 1:0 protocol ip u32 match ip sport 80 0xffff flowid 1:12