Bob Lantz
49 lines
1.3 KiB
Python
Executable File
49 lines
1.3 KiB
Python
Executable File
#!/usr/bin/python
|
|
|
|
'''
|
|
example of using various TCIntf options.
|
|
reconfigures a single interface using intf.config()
|
|
to use different traffic control commands to test
|
|
bandwidth, loss, and delay
|
|
'''
|
|
|
|
from mininet.net import Mininet
|
|
from mininet.log import setLogLevel, info
|
|
from mininet.link import TCLink
|
|
|
|
def intfOptions():
|
|
"run various traffic control commands on a single interface"
|
|
net = Mininet( autoStaticArp=True )
|
|
net.addController( 'c0' )
|
|
h1 = net.addHost( 'h1' )
|
|
h2 = net.addHost( 'h2' )
|
|
s1 = net.addSwitch( 's1' )
|
|
link1 = net.addLink( h1, s1, cls=TCLink )
|
|
net.addLink( h2, s1 )
|
|
net.start()
|
|
|
|
# flush out latency from reactive forwarding delay
|
|
net.pingAll()
|
|
|
|
info( '\n*** Configuring one intf with bandwidth of 5 Mb\n' )
|
|
link1.intf1.config( bw=5 )
|
|
info( '\n*** Running iperf to test\n' )
|
|
net.iperf()
|
|
|
|
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*** Configuring one intf with delay of 15ms\n' )
|
|
link1.intf1.config( delay='15ms' )
|
|
info( '\n*** Run a ping to confirm delay\n' )
|
|
net.pingPairFull()
|
|
|
|
info( '\n*** Done testing\n' )
|
|
net.stop()
|
|
|
|
if __name__ == '__main__':
|
|
setLogLevel( 'info' )
|
|
intfOptions()
|