DEV=em1
RATE=99mbit

# Remove any current flow control
tc qdisc del dev $DEV root >/dev/null 2>&1

# Base qdisc on the interface is htb
tc qdisc add dev $DEV root handle 1: htb default 1

# Limit all sending to $RATE
tc class add dev $DEV parent 1: classid 1:1 htb rate $RATE burst 6k

# Provide per-flow fairness 'cause we're nice like that
tc qdisc add dev $DEV parent 1:1 handle 10: sfq perturb 10