[pox-dev] forwarding.l2_learning problem

[Jerry Wang]

Hi all,
     I just start to use POX controller to study OpenFlow. I have
constructed a single topology in Mininet by inputting ' sudo mn --topo
single 3, --mac --switch ovsk --controller remote ', and I have tried the
forwarding.l2_learning component in POX to ping h1 and h2.
It works!
    My tutor requires me NOT to use the flood but use the PORT number of
the hosts and switch to send the traffic from h1 to h2. I know that how
does the l2 learning switch work and it should know the MAC address then it
can send the traffic to the right destination. But my tutor wants me to use
the port number which can be obtained by inputting 'net' in Mininet
console, it will shows eth0 eth1 etc. To achieve this target, my tutor
needs me to modify some parts of the Python code of forwarding.l2_learning
but I`m a rookie of Python! I really need your help for doing that!!

Thanks all!
Regards!

Jerry
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