# Our main interface is eth0
export DEV=eth0
export MAXRATE=2mbit

# Reset the qdisc
tc qdisc del dev $DEV root

# We want to use htb for our qos on the server
tc qdisc add dev $DEV root handle 1:0 htb r2q 100

# Remember: mbit = megabit/sec, mbps = megabyte/sec

# Add class: define main interface
tc class add dev $DEV parent 1:0 classid 1:1 htb rate $MAXRATE

# Split in the interface into two main streams:
# 1.2 the main one (web, nfs, cifs), but we deal with web for now, limiting to 1mbyte/sec
tc class add dev $DEV parent 1:1 classid 1:2 htb rate 1mbps ceil $MAXRATE
# 1.3 the out of band, service one (ssh)
tc class add dev $DEV parent 1:1 classid 1:3 htb rate 0.5mbps ceil $MAXRATE
tc class add dev $DEV parent 1:1 classid 1:4 htb rate 0.5mbps ceil $MAXRATE

# I'm not sure if pfifo or sfq is better for these:
tc qdisc add dev $DEV parent 1:2 handle 120: pfifo limit 10
tc qdisc add dev $DEV parent 1:3 handle 130: pfifo limit 10
tc qdisc add dev $DEV parent 1:4 handle 140: pfifo limit 10

# Finally define which IP
# Port 80
tc filter add dev $DEV parent 1:0 prio 1 protocol ip u32 match ip sport 80 0xffff flowid 1:2
tc filter add dev $DEV parent 1:0 prio 1 protocol ip u32 match ip sport 443 0xffff flowid 1:2

# SSH is port 22
tc filter add dev $DEV parent 1:0 prio 2 protocol ip u32 match ip sport 22 0xffff flowid 1:3

#tc filter add dev $DEV parent 1:0 prio 2 protocol ip u32 flowid 1:4