+ # the total bandwidth is the limit set by the user
+ tc class add dev $DEFAULT_IF parent 1: classid 1:1 htb rate ${limit}kbit ceil ${limit}kbit >/dev/null 2>&1
+ # 1/10 of the bandwidth guaranteed and traffic prioritized for the control port
+ tc class add dev $DEFAULT_IF parent 1:1 classid 1:10 htb rate ${ctrlportlimit}kbit ceil ${limit}kbit prio 1 >/dev/null 2>&1
+ # 9/10 of the bandwidth guaranteed and can borrow up to the total bandwidth (if unused)
+ tc class add dev $DEFAULT_IF parent 1:1 classid 1:11 htb rate ${dataportlimit}kbit ceil ${limit}kbit prio 2 >/dev/null 2>&1
+
+ # filter to assign control traffic to the 1:10 class
+ tc filter add dev $DEFAULT_IF parent 1: protocol ip u32 match ip dport $SESSIOND_CTRL_PORT 0xffff flowid 1:10 >/dev/null 2>&1
+ # filter to assign data traffic to the 1:11 class
+ tc filter add dev $DEFAULT_IF parent 1: protocol ip u32 match ip dport $SESSIOND_DATA_PORT 0xffff flowid 1:11 >/dev/null 2>&1