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YPZhang737d0012016-03-24 13:56:24 -07001#!/usr/bin/python
2
3"""
4Custom topology for Mininet
5"""
6from mininet.topo import Topo
7from mininet.net import Mininet
8from mininet.node import Host, RemoteController
9from mininet.node import Node
10from mininet.link import TCLink
11from mininet.cli import CLI
12from mininet.log import setLogLevel
13from mininet.util import dumpNodeConnections
14from mininet.node import ( UserSwitch, OVSSwitch, IVSSwitch )
15
16class MyTopo( Topo ):
17
18 def __init__( self ):
19 # Initialize topology
20 Topo.__init__( self )
21
22 host1 = self.addHost('h1', ip='10.1.0.1/24')
23 host2 = self.addHost('h2', ip='10.1.0.2/24')
24 host3 = self.addHost('h3', ip='10.1.0.3/24')
25 host4 = self.addHost('h4', ip='10.1.0.4/24')
26 host5 = self.addHost('h5', ip='10.1.0.5/24')
27 host6 = self.addHost('h6', ip='10.1.0.6/24')
28 host7 = self.addHost('h7', ip='10.1.0.7/24')
29
30 s1 = self.addSwitch( 's1' )
31 s2 = self.addSwitch( 's2' )
32 s3 = self.addSwitch( 's3' )
33 s4 = self.addSwitch( 's4' )
34 s5 = self.addSwitch( 's5' )
35 s6 = self.addSwitch( 's6' )
36 s7 = self.addSwitch( 's7' )
37 s8 = self.addSwitch( 's8' )
38
39
40 self.addLink(s1, host1)
41 self.addLink(s2, host2)
42 self.addLink(s3, host3)
43 self.addLink(s4, host4)
44 self.addLink(s5, host5)
45 self.addLink(s6, host6)
46 self.addLink(s7, host7)
47
48
49
50 self.addLink(s1,s2)
51 self.addLink(s2,s3)
52 self.addLink(s3,s4)
53 self.addLink(s4,s5)
54 self.addLink(s5,s6)
55 self.addLink(s6,s7)
56 self.addLink(s4,s8)
57 self.addLink(s8,s5)
58
59 topos = { 'mytopo': ( lambda: MyTopo() ) }
60
61# HERE THE CODE DEFINITION OF THE TOPOLOGY ENDS
62
63def setupNetwork():
64 "Create network"
65 topo = MyTopo()
66 network = Mininet(topo=topo, autoSetMacs=True, controller=None)
67 network.start()
68 CLI( network )
69 network.stop()
70
71if __name__ == '__main__':
72 setLogLevel('info')
73 #setLogLevel('debug')
74 setupNetwork()