[pox-dev] Determine packets coming from which switch

[nibble nibble]

Hi all,

I have a l2.learningSwitch and a network with a few switches. For every
packet I receive I want to determine packet was received from which one of
the switches. For this I used packet_in.in_port . But its does not seem
that it indicate switch, because when I have two switches I received
packets from port 1,2 and 3.

Now my question is how to determine packet coming from switch x??
Thanks.
Nibble
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