Created
December 28, 2019 15:02
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#!/bin/bash | |
### basic settings | |
WAN_INTF=wan0 | |
WAN_UP_SPEED=5000000 | |
WAN_DOWN_SPEED=100000000 | |
### advanced settings | |
TQDISC=fq_codel | |
# Dave Taht's recommendation: | |
# less than 40mbit: 300 | |
# otherwise: 1514 | |
FQ_CODEL_QUANTUM_UP=300 | |
FQ_CODEL_QUANTUM_DOWN=1514 | |
# Dave Taht's recommendation: | |
# less than 3mbit: 15ms | |
# otherwise: 5ms | |
FQ_CODEL_TARGET_UP=5ms | |
FQ_CODEL_TARGET_DOWN=5ms | |
# Dave Taht's recommendation: | |
# less than 40mbit: 1500 | |
# otherwise: higher (e.g., 8000 or higher for 100mbit etc.) | |
HTB_QUANTUM_UP=1500 | |
HTB_QUANTUM_DOWN=8000 | |
TQDISC_OPTS_UP= | |
TQDISC_OPTS_DOWN= | |
if [ "$TQDISC" == fq_codel ]; then | |
TQDISC_OPTS_UP+="quantum $FQ_CODEL_QUANTUM_UP " | |
TQDISC_OPTS_UP+="target $FQ_CODEL_TARGET_UP " | |
TQDISC_OPTS_DOWN+="quantum $FQ_CODEL_QUANTUM_DOWN " | |
TQDISC_OPTS_DOWN+="target $FQ_CODEL_TARGET_DOWN " | |
fi | |
WAN_IFB="ifb_${WAN_INTF}" | |
TC=/sbin/tc | |
IP=/bin/ip | |
$TC qdisc del dev $WAN_INTF root >/dev/null 2>&1 | |
$TC qdisc del dev $WAN_INTF ingress >/dev/null 2>&1 | |
$TC qdisc del dev $WAN_IFB root >/dev/null 2>&1 | |
[ "$1" == clear ] && exit 0 | |
$TC qdisc add dev $WAN_INTF root handle 1: htb default 10 | |
$TC class add dev $WAN_INTF parent 1: classid 1:1 \ | |
htb quantum $HTB_QUANTUM_UP \ | |
rate $WAN_UP_SPEED ceil $WAN_UP_SPEED | |
$TC class add dev $WAN_INTF parent 1:1 classid 1:10 \ | |
htb quantum $HTB_QUANTUM_UP \ | |
rate $WAN_UP_SPEED ceil $WAN_UP_SPEED | |
$TC qdisc add dev $WAN_INTF parent 1:10 handle 100: $TQDISC $TQDISC_OPTS_UP | |
$IP link add $WAN_IFB type ifb >/dev/null 2>&1 | |
$TC qdisc add dev $WAN_IFB root handle 1: htb default 10 | |
$TC class add dev $WAN_IFB parent 1: classid 1:1 \ | |
htb quantum $HTB_QUANTUM_DOWN \ | |
rate $WAN_DOWN_SPEED ceil $WAN_DOWN_SPEED | |
$TC class add dev $WAN_IFB parent 1:1 classid 1:10 \ | |
htb quantum $HTB_QUANTUM_DOWN \ | |
rate $WAN_DOWN_SPEED ceil $WAN_DOWN_SPEED | |
$TC qdisc add dev $WAN_IFB parent 1:10 handle 100: $TQDISC $TQDISC_OPTS_DOWN | |
$IP link set $WAN_IFB up | |
$TC qdisc add dev $WAN_INTF handle ffff: ingress | |
$TC filter add dev $WAN_INTF parent ffff: \ | |
protocol all prio 10 u32 match u32 0 0 flowid 1:1 \ | |
action mirred egress redirect dev $WAN_IFB |
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