| #!/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') |
| host4 = self.addHost('h4', ip='10.1.0.4/24') |
| host5 = self.addHost('h5', ip='10.1.0.5/24') |
| host6 = self.addHost('h6', ip='10.1.0.6/24') |
| host7 = self.addHost('h7', ip='10.1.0.7/24') |
| |
| s1 = self.addSwitch( 's1' ) |
| s2 = self.addSwitch( 's2' ) |
| s3 = self.addSwitch( 's3' ) |
| s4 = self.addSwitch( 's4' ) |
| s5 = self.addSwitch( 's5' ) |
| s6 = self.addSwitch( 's6' ) |
| s7 = self.addSwitch( 's7' ) |
| s8 = self.addSwitch( 's8' ) |
| |
| |
| self.addLink(s1, host1) |
| self.addLink(s2, host2) |
| self.addLink(s3, host3) |
| self.addLink(s4, host4) |
| self.addLink(s5, host5) |
| self.addLink(s6, host6) |
| self.addLink(s7, host7) |
| |
| |
| |
| self.addLink(s1,s2) |
| self.addLink(s2,s3) |
| self.addLink(s3,s4) |
| self.addLink(s4,s5) |
| self.addLink(s5,s6) |
| self.addLink(s6,s7) |
| self.addLink(s4,s8) |
| self.addLink(s8,s5) |
| |
| 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() |