                           defaultRoute='via 192.168.0.224' )
    #############
    sta5 = net.addStation( 'sta5', ip='10.0.0.2/24', defaultRoute='via 10.0.0.22' )
    sta6 = net.addStation( 'sta6', ip='10.0.0.3/24', defaultRoute='via 10.0.0.22')
    #############
    h1 = net.addHost('h1', ip='192.168.0.5', defaultRoute='via 192.168.0.224')
    h2 = net.addHost('h2', ip='192.168.0.6', defaultRoute='via 192.168.0.224')
