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#!/usr/bin/env python2 |
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from mininet.topo import Topo |
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from mininet.net import Mininet |
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from mininet.link import TCLink |
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from mininet.log import setLogLevel, info |
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from mininet.node import Controller, RemoteController |
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from mininet.cli import CLI |
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from mininet.link import Intf |
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from mininet.util import dumpNodeConnections |
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''' |
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two_vlan.py |
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teacher{1,2}: vlan 100 |
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student{1,2}: vlan 200 |
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''' |
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REMOTE_CONTROLLER_IP="140.113.215.6" |
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def MininetTopo(): |
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''' |
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Prepare Your Topology |
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''' |
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net = Mininet (topo=None, build=False) |
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controller = net.addController(name='controller0', |
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controller=RemoteController, |
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ip=REMOTE_CONTROLLER_IP, |
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port=6633) |
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info("Create Host node\n") |
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teacher1 = net.addHost('teacher1', ip='10.0.0.1') |
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teacher2 = net.addHost('teacher2', ip='10.0.0.2') |
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student1 = net.addHost('student1', ip='10.0.0.3') |
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student2 = net.addHost('student2', ip='10.0.0.4') |
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info("Create Switch node\n") |
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switch1 = net.addSwitch('ovs1', protocols='OpenFlow13') |
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switch2 = net.addSwitch('ovs2', protocols='OpenFlow13') |
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switch3 = net.addSwitch('ovs3', protocols='OpenFlow13') |
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info("Link switch to host\n") |
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net.addLink(switch1, student1) |
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net.addLink(switch3, student2) |
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net.addLink(switch1, teacher1) |
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net.addLink(switch3, teacher2) |
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net.addLink(switch1, switch2) |
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net.addLink(switch2, switch3) |
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''' |
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Working your topology |
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''' |
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info("Start network\n") |
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net.start() |
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info("Dumping host connections\n") |
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dumpNodeConnections(net.hosts) |
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info("Testing network connectivity\n") |
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net.pingAll() |
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info("Set vlan id\n") |
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''' |
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ovs1 ofport list: |
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teacher1 ofport 1 |
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student1 ofport 2 |
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ovs2 ofport 3 |
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''' |
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#Ingress |
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switch1.cmdPrint('ovs-ofctl -O OpenFlow13 add-flow ovs1 in_port=1,dl_vlan=0xffff,actions=push_vlan:0x8100,set_field:100-\>vlan_vid,output:3') |
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switch1.cmdPrint('ovs-ofctl -O OpenFlow13 add-flow ovs1 in_port=2,dl_vlan=0xffff,actions=push_vlan:0x8100,set_field:200-\>vlan_vid,output:3') |
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#Egress |
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switch1.cmdPrint('ovs-ofctl -O OpenFlow13 add-flow ovs1 in_port=3,dl_vlan=100,actions=pop_vlan,output:1') |
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switch1.cmdPrint('ovs-ofctl -O OpenFlow13 add-flow ovs1 in_port=3,dl_vlan=200,actions=pop_vlan,output:2') |
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''' |
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ovs3 ofport list: |
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teacher2 ofport 1 |
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student2 ofport 2 |
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ovs2 ofport 3 |
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''' |
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#Ingress |
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switch3.cmdPrint('ovs-ofctl -O OpenFlow13 add-flow ovs3 in_port=1,dl_vlan=0xffff,actions=push_vlan:0x8100,set_field:100-\>vlan_vid,output:3') |
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switch3.cmdPrint('ovs-ofctl -O OpenFlow13 add-flow ovs3 in_port=2,dl_vlan=0xffff,actions=push_vlan:0x8100,set_field:200-\>vlan_vid,output:3') |
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#Egress |
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switch3.cmdPrint('ovs-ofctl -O OpenFlow13 add-flow ovs3 in_port=3,dl_vlan=100,actions=pop_vlan,output:1') |
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switch3.cmdPrint('ovs-ofctl -O OpenFlow13 add-flow ovs3 in_port=3,dl_vlan=200,actions=pop_vlan,output:2') |
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''' |
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ovs2 ofport list: |
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ovs2 ofport 1 |
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ovs1 ofport 2 |
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''' |
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switch2.cmdPrint('ovs-ofctl -O OpenFlow13 add-flow ovs2 in_port=1,actions=output:2') |
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switch2.cmdPrint('ovs-ofctl -O OpenFlow13 add-flow ovs2 in_port=2,actions=output:1') |
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info("Try vlan\n") |
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net.pingAll() |
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CLI(net) |
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''' |
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Clean mininet |
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''' |
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net.stop() |
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if __name__ == '__main__': |
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setLogLevel('info') |
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MininetTopo() |
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