def build():
net = Mininet( autoStaticArp=True, waitConnected=True )
#define router node
router = net.addNode('r0', cls=Router, ip = '192.168.1.1/24')
#add switch nodes
s1, s2 = [net.addSwitch(s) for s in ('s1','s2')]
#add routes
net.addLink(s1, router, intfName2 = 'ro-eth0', params2 = {'ip' : '192.168.1.1/24'})
net.addLink(s2, router, intfName2 = 'ro-eth1', params2 = {'ip' : '10.0.0.1/8'})
#add hosts
h1 = net.addHost('h1', ip = '192.168.1.50/24', defaultRoute = 'via 192.168.1.1')
h2 = net.addHost('h2', ip = '10.0.0.50/8', defaultRoute = 'via 10.0.0.1')
#add links between hosts and switches
#add adjustable performance link
link1 = net.addLink(h1, s1, cls = TCLink)
#add normal link
net.addLink(h2, s1)
"Test router"
net.start()
info( '*** Routing Table on Router:\n' )
info( net[ 'r0' ].cmd( 'route' ) )
# flush out latency from reactive forwarding delay
net.pingAll()
info('\n***Configure one intf with 10Mb/s bandwidth')
link1.intf1.config( bw=10 )
info( '\n*** Running iperf to test\n' )
net.iperf( seconds=10 )
info( '\n*** Configuring one intf with delay of 15ms\n' )
link1.intf1.config( delay='15ms' )
info( '\n*** Run a ping to confirm delay of 15ms\n' )
net.pingPairFull()
info( '\n*** Configuring one intf with jitter of 1ms\n' )
link1.intf1.config( jitter='1ms' )
info( '\n*** Run iperf to confirm 1ms jitter\n' )
net.iperf( ( h1, h2 ), l4Type='UDP' )
info( '\n*** Configuring one intf with loss of 50%\n' )
link1.intf1.config( loss=50 )
info( '\n' )
net.iperf( ( h1, h2 ), l4Type='UDP' )
info( '\n*** Done testing\n' )
CLI( net )
net.stop()
def run():
"Test router"
net = Mininet(autoStaticArp=True,
waitConnected=True) # controller is used by s1-s3
#define router node
router = net.addNode('r0', cls=Router, ip='192.168.1.1/24')
#add switch nodes
s1, s2 = [net.addSwitch(s) for s in ('s1', 's2')]
#add routes
net.addLink(s1,
router,
intfName2='ro-eth0',
params2={'ip': '192.168.1.1/24'})
net.addLink(s2,
router,
intfName2='ro-eth1',
params2={'ip': '10.0.0.1/8'})
#add hosts
h1 = net.addHost('h1',
ip='192.168.1.50/24',
defaultRoute='via 192.168.1.1')
h2 = net.addHost('h2', ip='10.0.0.50/8', defaultRoute='via 10.0.0.1')
#add links between hosts and switches
link1 = net.addLink(h1, s1, cls=TCLink)
net.addLink(h2, s1)
net.start()
# flush out latency from reactive forwarding delay
net.pingAll()
info('*** Routing Table on Router:\n')
info(net['r0'].cmd('route'))
#=========================================================
#Different configurations for testing network performance
info('\n***Configure one intf with 10Mb/s bandwidth')
link1.intf1.config(bw=10)
info('\n*** Running iperf to test\n')
net.iperf(seconds=10)
net.stop()
