Two sample mininet scripts for two simulated OF networks.

[affinity.git] / scripts / mn1.py

diff --git a/scripts/mn1.py b/scripts/mn1.py
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+++ b/scripts/mn1.py
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+#!/usr/bin/python
+
+from mininet.cli import CLI
+from mininet.topo import Topo
+from mininet.net import Mininet
+from mininet.link import TCLink, Intf
+from mininet.log import setLogLevel
+from mininet.node import CPULimitedHost, Controller, RemoteController
+
+ctrl='172.15.1.151'
+# To use this topology, run:
+#   > sudo ./mn1.py
+# Using spaces rather than '=' is very important, as is having the --link flag
+#c1 = RemoteController( 'c1', ip='192.168.56.1' )
+c1 = RemoteController( 'c1', ip=ctrl )
+
+
+class TestTopo(Topo):
+
+    def __init__(self, **opts):
+        Topo.__init__(self, **opts)
+
+        # Three switches
+        s1 = self.addSwitch('s1')
+        s2 = self.addSwitch('s2')
+        s3 = self.addSwitch('s3')
+
+        # Connect switches into tree
+        self.addLink(s2, s1)
+        self.addLink(s3, s1)
+
+        # Four hosts
+        h1 = self.addHost('h1')
+        h2 = self.addHost('h2')
+        h3 = self.addHost('h3')
+        h4 = self.addHost('h4')
+
+        # Connect hosts to switches
+        self.addLink(h1, s2, bw=10) # These two links get limited
+        self.addLink(h2, s2, bw=10)
+        self.addLink(h3, s3)
+        self.addLink(h4, s3)
+
+topos = { 'net1' : (lambda: TestTopo()) }
+
+def demo():
+    "Create network"
+    topo = TestTopo()
+    net = Mininet(topo=topo, host=CPULimitedHost, link=TCLink, controller=lambda name:RemoteController(name, ip=ctrl, port=6633))
+    net.start()
+    print "*** testing basic connectivity (in-rack and off-rack)"
+#    h1, h2 = net.getNodeByName('h1', 'h2')    
+#    net.ping( [ h1, h2 ] )
+#    net.pingAll()
+
+    CLI( net )
+#    net.stop()
+    
+if __name__ == '__main__':
+    setLogLevel('info')
+    demo()