Listing 1. Setting Up Bridged Networking

root@host# bash -c 'echo 1 > /proc/sys/net/ipv4/ip_forward'
root@host# apt-get install bridge-utils uml-utilities
root@host# ifconfig eth0 0.0.0.0 promisc up
root@host# brctl addbr uml-bridge
root@host# brctl setfd uml-bridge 0
root@host# brctl sethello uml-bridge 0
root@host# brctl stp uml-bridge off
root@host# ifconfig uml-bridge 192.168.250.250 netmask 255.255.255.0 up
root@host# brctl addif uml-bridge eth0
root@host# tunctl -u umluser -t uml-conn0
root@host# chgrp uml-net /dev/net/tun
root@host# chmod 660 /dev/net/tun
root@host# ifconfig uml-conn0 0.0.0.0 promisc up
root@host# brctl addif uml-bridge uml-conn0