| #!/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.node import CPULimitedHost |
| 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 VLANHost( Host ): |
| def config( self, vlan=100, **params ): |
| r = super( Host, self ).config( **params ) |
| intf = self.defaultIntf() |
| self.cmd( 'ifconfig %s inet 0' % intf ) |
| self.cmd( 'vconfig add %s %d' % ( intf, vlan ) ) |
| self.cmd( 'ifconfig %s.%d inet %s' % ( intf, vlan, params['ip'] ) ) |
| newName = '%s.%d' % ( intf, vlan ) |
| intf.name = newName |
| self.nameToIntf[ newName ] = intf |
| return r |
| |
| class IPv6Host( Host ): |
| def config( self, v6Addr='1000:1/64', **params ): |
| r = super( Host, self ).config( **params ) |
| intf = self.defaultIntf() |
| self.cmd( 'ifconfig %s inet 0' % intf ) |
| self.cmd( 'ip -6 addr add %s dev %s' % ( v6Addr, intf ) ) |
| return r |
| |
| class MyTopo( Topo ): |
| |
| def __init__( self, **opts ): |
| # Initialize topology |
| Topo.__init__( self, **opts) |
| |
| # IPv4 hosts |
| host1=self.addHost( 'h1', ip='10.0.0.1/24' ) |
| host2=self.addHost( 'h2', ip='10.0.0.2/24' ) |
| |
| # VLAN hosts |
| host3=self.addHost( 'h3', ip='10.0.0.3/24', cls=VLANHost, vlan=10 ) |
| host4=self.addHost( 'h4', ip='10.0.0.4/24', cls=VLANHost, vlan=10 ) |
| |
| #IPv6 hosts |
| host5=self.addHost( 'h5', ip='10.0.0.5/24', cls=IPv6Host, v6Addr='1000::5/64') |
| host6=self.addHost( 'h6', ip='10.0.0.6/24', cls=IPv6Host, v6Addr='1000::6/64') |
| |
| s1 = self.addSwitch( 's1' ) |
| |
| self.addLink(s1, host1) |
| self.addLink(s1, host2) |
| self.addLink(s1, host3) |
| self.addLink(s1, host4) |
| self.addLink(s1, host5) |
| self.addLink(s1, host6) |
| |
| |
| topos = { 'mytopo': ( lambda: MyTopo() ) } |
| |
| def setupNetwork(): |
| "Create network" |
| topo = MyTopo() |
| network = Mininet(topo=topo, autoSetMacs=True, autoStaticArp=True, controller=None) |
| network.start() |
| CLI( network ) |
| network.stop() |
| |
| if __name__ == '__main__': |
| setLogLevel('info') |
| #setLogLevel('debug') |
| setupNetwork() |