littleshaper.sh

#!/bin/bash

IF="eth1"

VOIP="YES"

MAXBW="10000"

BURST="100"

CBURST=$(( ${BURST} - 1 ))

TC='/sbin/tc'


${TC} qdisc del dev ${IF} root > /dev/null 2>&1
${TC} qdisc del dev ${IF} ingress > /dev/null 2>&1

[ ${1:-NOTHING} == stop ] && exit 0

${TC} qdisc add dev ${IF} root handle 1: htb default 99

${TC} class add dev ${IF} parent 1:0 classid 1:99 htb \
    rate ${MAXBW}kbit burst ${BURST}k cburst ${CBURST}k quantum 1550

if [ $(echo ${VOIP} | sed -e 's/^\(.*\)$/\L\1/g') == no ]; then
    ${TC} qdisc add dev ${IF} parent 1:99 handle 99: sfq perturb 10
fi