lantz
45 lines
1.3 KiB
Python
Executable File
45 lines
1.3 KiB
Python
Executable File
#!/usr/bin/python
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"Create a 64-node tree network, and test connectivity using ping."
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from mininet.log import setLogLevel, info
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from mininet.node import UserSwitch, OVSKernelSwitch, Host
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from mininet.topolib import TreeNet
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class HostV4( Host ):
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"Try to IPv6 and its awful neighbor discovery"
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def __init__( self, *args, **kwargs ):
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super( HostV4, self ).__init__( *args, **kwargs )
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cfgs = [ 'all.disable_ipv6=1', 'default.disable_ipv6=1',
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'default.autoconf=0', 'lo.autoconf=0' ]
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for cfg in cfgs:
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self.cmd( 'sysctl -w net.ipv6.conf.' + cfg )
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def treePing64():
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"Run ping test on 64-node tree networks."
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results = {}
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switches = { 'reference user': UserSwitch,
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'Open vSwitch kernel': OVSKernelSwitch }
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for name in switches:
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info( "*** Testing", name, "datapath\n" )
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switch = switches[ name ]
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network = TreeNet( depth=2, fanout=8, switch=switch,
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waitConnected=True )
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result = network.run( network.pingAll )
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results[ name ] = result
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info( "\n*** Tree network ping results:\n" )
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for name in switches:
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info( "%s: %d%% packet loss\n" % ( name, results[ name ] ) )
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info( '\n' )
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if __name__ == '__main__':
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setLogLevel( 'info' )
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treePing64()
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