Bob Lantz
62 lines
1.6 KiB
Python
Executable File
62 lines
1.6 KiB
Python
Executable File
#!/usr/bin/python
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"""
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This example creates a multi-controller network from semi-scratch by
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using the net.add*() API and manually starting the switches and controllers.
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This is the "mid-level" API, which is an alternative to the "high-level"
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Topo() API which supports parametrized topology classes.
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Note that one could also create a custom switch class and pass it into
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the Mininet() constructor.
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"""
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from mininet.net import Mininet
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from mininet.node import Controller, OVSSwitch
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from mininet.cli import CLI
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from mininet.log import setLogLevel
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def multiControllerNet():
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"Create a network from semi-scratch with multiple controllers."
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net = Mininet( controller=Controller, switch=OVSSwitch )
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print "*** Creating (reference) controllers"
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c1 = net.addController( 'c1', port=6633 )
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c2 = net.addController( 'c2', port=6634 )
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print "*** Creating switches"
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s1 = net.addSwitch( 's1' )
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s2 = net.addSwitch( 's2' )
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print "*** Creating hosts"
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hosts1 = [ net.addHost( 'h%d' % n ) for n in 3, 4 ]
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hosts2 = [ net.addHost( 'h%d' % n ) for n in 5, 6 ]
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print "*** Creating links"
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for h in hosts1:
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net.addLink( s1, h )
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for h in hosts2:
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net.addLink( s2, h )
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net.addLink( s1, s2 )
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print "*** Starting network"
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net.build()
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c1.start()
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c2.start()
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s1.start( [ c1 ] )
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s2.start( [ c2 ] )
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print "*** Testing network"
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net.pingAll()
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print "*** Running CLI"
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CLI( net )
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print "*** Stopping network"
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net.stop()
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if __name__ == '__main__':
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setLogLevel( 'info' ) # for CLI output
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multiControllerNet()
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