[pox-dev] Wild Card rules in POX

Keqiang He hekeqiang at gmail.com
Mon Jul 22 19:14:22 PDT 2013


Hi--

I have a confusing question regarding installing wild card rules by POX.

The openflow switch I am running is pronto 3290 with Pica8's OvS, it
supports openflow 1.2.

When I tried to install wild card rule as illustrated in POX wiki.
Basically, I want to the srcip and srcport to be fixed while keeping
other fields as wild card *. I did the following--

msg = of.ofp_flow_mod()
msg.priority = 42
msg.match.nw_src = ip_packet.srcip
msg.match.tp_src = tcp_packet.srcport

...
msg.actions.append(of.ofp_action_output(port = outputport))
self.connection.send(msg)

However, the wild card rule installed into the switch is NOT what I
expected; they are indeed wild card, but none of the
two fields I specified is fixed...

The only reason I can guess is that POX supports openflow 1.0 while the
switch fireware supports 1.3...Not sure
whether it is the cause..

Do anyone has clue on this? Thanks
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