| #!/usr/bin/python |
| |
| """ |
| Custom topology for Mininet |
| """ |
| from mininet.topo import Topo |
| from mininet.net import Mininet |
| from mininet.node import Host, RemoteController |
| from mininet.node import Node |
| from mininet.link import TCLink |
| from mininet.cli import CLI |
| from mininet.log import setLogLevel |
| from mininet.util import dumpNodeConnections |
| from mininet.node import ( UserSwitch, OVSSwitch, IVSSwitch ) |
| |
| class MyTopo( Topo ): |
| |
| def __init__( self ): |
| # Initialize topology |
| Topo.__init__( self ) |
| |
| host1 = self.addHost('h1', ip='10.1.0.1/24') |
| host2 = self.addHost('h2', ip='10.1.0.2/24') |
| host3 = self.addHost('h3', ip='10.1.0.3/24') |
| |
| s1 = self.addSwitch( 's1' ) |
| s2 = self.addSwitch( 's2' ) |
| s3 = self.addSwitch( 's3' ) |
| |
| self.addLink(s1, host1) |
| self.addLink(s2, host2) |
| self.addLink(s3, host3) |
| |
| self.addLink(s1,s2) |
| self.addLink(s1,s3) |
| self.addLink(s2,s3) |
| |
| topos = { 'mytopo': ( lambda: MyTopo() ) } |
| |
| # HERE THE CODE DEFINITION OF THE TOPOLOGY ENDS |
| |
| def setupNetwork(): |
| "Create network" |
| topo = MyTopo() |
| network = Mininet(topo=topo, autoSetMacs=True, controller=None) |
| network.start() |
| CLI( network ) |
| network.stop() |
| |
| if __name__ == '__main__': |
| setLogLevel('info') |
| #setLogLevel('debug') |
| setupNetwork() |