No. Metadata wasn't added to OpenFlow until OpenFlow 1.2, I believe, which POX doesn't (yet?) support.
-- Murphy On Dec 6, 2013, at 12:11 PM, Jayanth Silesh <jayanthsileshs.for...@gmail.com> wrote: > Hi Murphy, > > Also, is there a way to match metadata field and write metadata without using > the nicira extensions. > Thanks, > Jayanth > Graduate Student > USC > > > > On December 6, 2013 at 10:55:46 AM, Murphy McCauley > (murphy.mccau...@gmail.com) wrote: > >> I am pretty sure this code will cause an exception, since I don't think the >> attributes you're setting on the match correspond to NXM types. Does it not? >> >> See inline... >> >> On Dec 5, 2013, at 4:27 PM, Jayanth xForums >> <jayanthsileshs.for...@gmail.com> wrote: >> >> > Hi All, >> > >> > I have written a small pox as follows but in the OVS 2.0 it does not add >> > the nw_proto in the flow table. >> > >> > The pox code is as follows: >> > >> > # Turn on Nicira packet_ins >> > msg = nx.nx_packet_in_format() >> > event.connection.send(msg) >> > >> > # Turn on ability to specify table in flow_mods >> > msg = nx.nx_flow_mod_table_id() >> > event.connection.send(msg) >> > >> > msg1 = nx.nx_flow_mod() >> > #msg1.match = nx.nx_match() >> > msg1.match.of_dl_type = pkt.ethernet.IP_TYPE >> >> Try .eth_type = pkt.ethernet.IP_TYPE >> >> > #msg1.match.nw_proto = pkt.ipv4.TCP_PROTOCOL >> > msg1.match.of_nw_proto = 6 >> >> Try .ip_proto = 6 >> >> > msg1.actions.append(nx.nx_action_resubmit.resubmit_table(table = 1)) >> > event.connection.send(msg1) >> > >> > >> > Thanks, >> > Jayanth >> > Graduate Student >> > USC >> >> >> Alternately, instead of using nx_flow_mod, use ofp_flow_mod_table_id, which >> is just like a normal ofp_flow_mod except with a table_id. >> >> -- Murphy
