#!/usr/bin/python

"Create a 64-node tree network, and test connectivity using ping."

from mininet.log import setLogLevel

from mininet.node import UserSwitch, OVSKernelSwitch # , KernelSwitch

from mininet.topolib import TreeNet

def treePing64():

"Run ping test on 64-node tree networks."

results = {}

switches = { # 'reference kernel': KernelSwitch,

'reference user': UserSwitch,

'Open vSwitch kernel': OVSKernelSwitch }

for name in switches:

print "*** Testing", name, "datapath"

switch = switches[ name ]

network = TreeNet( depth=2, fanout=8, switch=switch )

result = network.run( network.pingAll )

results[ name ] = result

print

print "*** Tree network ping results:"

for name in switches:

print "%s: %d%% packet loss" % ( name, results[ name ] )

print

if __name__ == '__main__':

setLogLevel( 'info' )

treePing64()