I think the first FAQ entry on the POX manual wiki answers this: https://openflow.stanford.edu/display/ONL/POX+Wiki
Also, are you not running a recent version of the carp branch? In theory, it should log a warning when this situation occurs. Good luck! -- Murphy On Aug 25, 2013, at 4:35 PM, AMER AL-GHADHBAN <[email protected]> wrote: > Hello, > > Dear Murphy > > I am trying to insert a rule in openflow switch with the down instructions, > the problem is in the L3 IP addresses are not inserted in the flow table. I > need to insert them to use them in another function > the IPs are insereted but they aren't show up when we execute the flow stat > request. > > msg = of.ofp_flow_mod() > msg.idle_timeout = 100 > msg.hard_timeout = 130 > msg.match.dl_dst = packet.src > msg.match.nw_dst = packet.next.protodst # I need to use L3 IP to be used > in another function > msg.match.nw_src = packet.next.protosrc > msg.match.dl_src = packet.dst > msg.actions.append(of.ofp_action_output(port = event.port)) > event.connection.send(msg) > > These are the output from executing the above code; the L3 IP is there BUT > when we retreive them from flow stats request are not show up. > > log.info("Installing %s.%i -> %s.%i AND %s.%i -> %s.%i" % > (packet.next.protodst, dst_port, packet.next.protosrc, > event.ofp.in_port, > packet.next.protodst, event.ofp.in_port, packet.next.protosrc, > dst_port)) > > INFO:sw:Installing 10.0.0.1.1 -> 10.0.0.3.4 AND 10.0.0.1.4 -> 10.0.0.3.1 > log.info("FlowStatsReceived from %s: %s", dpidToStr(event.connection.dpid), > stats) > > These are the output when we tried to retrive them > INFO:sw:FlowStatsReceived from 00-00-00-00-00-01: [{'packet_count': 3, > 'hard_timeout': 130, 'byte_count': 174, 'duration_sec': 4, 'actions': > [{'max_len': 0, 'type': 'OFPAT_OUTPUT', 'port': 1}], 'duration_nsec': > 654000000, 'priority': 32768, 'idle_timeout': 100, 'cookie': 0, 'table_id': > 0, 'match': {}}] > > > we got Nnne when we print them > > print "Match Destination %s" % f.match.nw_dst > print "Match Destination %s" % f.match.nw_src > > Match Destination None > Match Destination None > > Best regards, > Eng Amer Alghadhban > COE > SANS-GCFW > CEH, SCNP, CCNA >
