#!/bin/bash # Replace eth0 with your interface name IFACE=tap_biz # Clear existing qdisc /sbin/tc qdisc del dev $IFACE root 2>/dev/null # Add HTB (Hierarchical Token Bucket) /sbin/tc qdisc add dev $IFACE root handle 1: htb default 30 /sbin/tc class add dev $IFACE parent 1: classid 1:1 htb rate 4mbit ceil 5mbit /sbin/tc class add dev $IFACE parent 1:1 classid 1:30 htb rate 4mbit ceil 5mbit