Specialization Software-defined Networking (Winter 2015/2016): Difference between revisions

Specialization Software-defined Networking (Winter 2015/2016) (view source)

1,061 bytes added , 15 March 2016

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 *** $ dpctl dump-flows tcp:127.0.0.1:6634
-==== Exercise IV:  ====
+==== Exercise IV: Pyretic Firewall ====
+* Aim: Pyretic based firewall
+* Topology [https://dl.dropboxusercontent.com/u/1652374/SDN_course_WS2015-2016/Exercises/ex3/1.firewall-fig.pdf]
+* Put the following files in folder: pyretic/pyretic/examples
+* $ sudo mn --controller remote --topo=single,3 --mac --arp
+* (20P) Run the pyretic hub example
+*** $ pyretic.py –v high pyretic.examples.pyretic_hub
+** Verify that the hosts can ping each other
+*** > xterm h1 h2 h3
+*** h2$ tcpdump -xx -n -i h2-eth0
+*** h3$ tcpdump -xx -n -i h3-eth0
+*** h1$ ping -c1 10.0.0.2
+** Observe what happens when you do
+*** h1$ ping -c1 10.0.0.5
+** Look into the hub code: pyretic/pyretic/examples/pyretic_hub
+* (20P) Run the pyretic switch example
+*** $ pyretic.py –v high pyretic.examples.pyretic_switch1
+** Verify that the hosts can ping each other
+*** > xterm h1 h2 h3
+*** h2$ tcpdump -xx -n -i h2-eth0
+*** h3$ tcpdump -xx -n -i h3-eth0
+*** h1$ ping -c1 10.0.0.2
+** Observe what happens when you do
+*** h1$ ping -c1 10.0.0.5
+** Look into the switch code: pyretic/pyretic/examples/pyretic_switch1.py
 === 23 March ===