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- #!/usr/bin/python
- from mininet.node import Controller
- from mininet.log import setLogLevel, info
- from mininet.cli import CLI
- from mininet.net import Mininet
- def topology():
- "Create a network."
- net = Mininet()
- info("*** Creating nodes\n")
- h1 = net.addHost('h1', ip='10.0.0.1/8')
- h2 = net.addHost('h2', ip='192.168.0.2/24')
- r1 = net.addHost('r1')
- r2 = net.addHost('r2')
- info("*** Creating Links\n")
- net.addLink(h1, r1)
- net.addLink(r1, r2)
- net.addLink(h2, r2)
- info("*** Starting network\n")
- net.build()
- #r1.cmd('sysctl net.ipv4.ip_forward=1')
- #r2.cmd('sysctl net.ipv4.ip_forward=1')
- #r1.cmd('ifconfig r1-eth0 10.0.0.2/8')
- #r1.cmd('ifconfig r1-eth1 172.16.0.1/30')
- #r2.cmd('ifconfig r2-eth0 172.16.0.2/30')
- #r2.cmd('ifconfig r2-eth1 192.168.0.1/24')
- #r1.cmd('route add -net 192.168.0.0/24 gw 172.16.0.2')
- #r2.cmd('route add -net 10.0.0.0/8 gw 172.16.0.1')
- #h1.cmd('route add default gw 10.0.0.2')
- #h2.cmd('route add default gw 192.168.0.1')
- info("*** Running CLI\n")
- CLI(net)
- info("*** Stopping network\n")
- net.stop()
- if __name__ == '__main__':
- setLogLevel('info')
- topology()
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