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[mininet-discuss] l3_learning problem

chaitanya tanwar chaitanya.tanwar at
Wed Mar 4 05:20:55 PST 2015

Hi all,

I have a topology like the following :

s1 -------s2 --------s3
|            |            |
h1        h2         h3

and a controller connected to all switches. Running l3_learning module.

I have written a script which is diverting any packet coming for h2 to h1,
which is at switch s2.
So the problem is lets say h3 ping h2. So there is an arp asking for where
is h2.
Then the packet goes till s2. But at s2 script modifies the packet ip and
mac address with h1 addresses and send to the port connected to s1.

But till now there has been no ARP request for knowing where is h1.
At s1 l3_learning is not installing any rules. So how to deal with this

Thanks and Regards.
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