copy LoadBalancer.py from https://github.com/asangha/IP573_asangha/tree/master/Code and paste this code in forwarding folder inside your pox

copy input.txt from https://github.com/asangha/IP573_asangha/tree/master/Code and paste this file in pox folder from where you will run the ./pox command or you can create any file in same format as input.txt and place it in pox folder and specify the name in command below.

To run the load balancer code use command

./pox.py forwarding.l2_learning misc.firewall forwarding.LoadBalance --virtual_ip=10.0.0.5 --virtual_mac=00:00:00:00:00:04 --server_config="input.txt"

where virtual_ip virtual_mac server_config

are parameters and can be modified dynamically as per requirement.