run-pie-v-red-experiment-router.sh

#!/bin/bash

qdisc=$1 #pie or red

# Get the name of the interface on the router
# that connects to the client nodes. 
# Store the name of the interface in the 
# variable 'intf'
intf=$(route -n | grep "10.10.2.0"  | awk '{print $8}')

sudo tc qdisc del dev $intf root

if [ $qdisc = "pie" ]; then
  sudo tc qdisc replace dev $intf root handle 1: htb default 1  
  sudo tc class add dev $intf parent 1:0 classid 1:1 htb rate 10mbit ceil 10mbit  
  sudo tc qdisc add dev $intf parent 1:1 handle 10: pie limit 2000 alpha 2 beta 20  
else
	sudo tc qdisc replace dev $intf root handle 1: htb default 1
	sudo tc class add dev $intf parent 1:0 classid 1:1 htb rate 10mbit ceil 10mbit
	sudo tc qdisc add dev $intf parent 1:1 handle 10: red min 0.4mb max 1.6mb probability 0.1 limit 2mb burst 800 avpkt 1kb bandwidth 10mbit
fi

sudo tc qdisc show dev $intf
sudo tc class show dev $intf

/usr/local/bin/queuemonitor $intf 250 0.1 > router_$qdisc.txt &

nload $intf