I guess it depends on whether dpctl dump-aggregate works correctly. My problem with it is that sometimes it can not aggregate flows according to the specified wildcard. I guess this depends on configuration of switches.
On Tue, Feb 2, 2010 at 5:57 PM, Rodrigo Braga <[email protected]> wrote: > I have the same problem, did someone solve this problem ?? > > My nox version is 0.8 > > compiled to openflow 0x97 > > thanks > > > On Fri, Jan 15, 2010 at 3:36 AM, MinChi Tseng <[email protected]> wrote: >> >> I am using monitor component in NOX. >> >> >> >> ==== nox-0.6.0/src/noxcoreapps/examples/monitor.py ===== >> >> def aggregate_timer(self, dpid): >> >> flow = ofp_match() >> >> flow.wildcards = 0xffff >> >> self.ctxt.send_aggregate_stats_request(dpid, flow, 0xff) >> >> self.post_callback(MONITOR_TABLE_PERIOD, lambda : >> self.aggregate_timer(dpid)) >> >> >> >> Thanks, >> >> MinChi >> >> >> >> Can you paste the code which is doing the query? >> >> >> >> > No, the OF is get via NOX Virtual Test Environment setup instruction. >> >> > http://noxrepo.org/manual/vm_environment.html >> >> > >> >> > wget http://noxrepo.org/openflow_mod.ko >> >> > wget http://noxrepo.org/dpctl >> >> > wget http://noxrepo.org/secchan >> >> > >> >> > >> >> > MinChi >> >> > >> >> > -----Original Message----- >> >> > From: Martin Casado [mailto:[email protected]] >> >> > Sent: Friday, January 15, 2010 2:34 PM >> >> > To: MinChi Tseng >> >> > Cc: [email protected] >> >> > Subject: Re: [nox-dev] aggregate flow statistics always return 0 >> >> > >> >> > Are you using the OF reference code from Stanford? >> >> > >> >> > >> >> >> Hi all, >> >> >> >> >> >> I am using NOX Virtual Test Environment >> >> >> >> >> >> The topology is one OpenFlow switch and two hosts. >> >> >> >> >> >> Host 1 and host2 continually ping each other. >> >> >> >> >> >> In monitor component, the aggregate statistics always show 0. >> >> >> >> >> >> But, if I dump the aggregate statistics on OpenFlow switch, OpenFlow >> >> >> switch did print aggregate statistics which is non-zero. >> >> >> >> >> >> My question is why OpenFlow switch always returned 0 for aggregate >> >> >> stats to NOX. >> >> >> >> >> >> OpenFlow version is 0.8.9~1 >> >> >> >> >> >> NOX version is 0.6.0 >> >> >> >> >> >> On NOX, I issued: *./nox_core -v -i ptcp:2525 pyswitch monitor* >> >> >> >> >> >> On OpenFlow, I issued: *./secchan nl:0 tcp:10.0.2.2:2525 &* >> >> >> >> >> >> ===== some NOX log message==== >> >> >> >> >> >> 00140|openflow-event|DBG:received stats reply from 002320c72f83 >> >> >> >> >> >> Table stats in from datapath 00:23:20:c7:2f:83 >> >> >> >> >> >> hash2 : 4 >> >> >> >> >> >> linear : 0 >> >> >> >> >> >> 00141|openflow-event|DBG:received stats reply from 002320c72f83 >> >> >> >> >> >> Port stats in from datapath 00:23:20:c7:2f:83 >> >> >> >> >> >> 0 : 167 >> >> >> >> >> >> 1 : 165 >> >> >> >> >> >> 00142|openflow-event|DBG:received stats reply from 002320c72f83 >> >> >> >> >> >> *Aggregate stats in from datapath 00:23:20:c7:2f:83* >> >> >> >> >> >> * {'packet_count': 0L, 'byte_count': 0L, 'flow_count': 0L}* >> >> >> >> >> >> 00143|openflow-event|DBG:received stats reply from 002320c72f83 >> >> >> >> >> >> Table stats in from datapath 00:23:20:c7:2f:83 >> >> >> >> >> >> hash2 : 4 >> >> >> >> >> >> linear : 0 >> >> >> >> >> >> 00144|openflow-event|DBG:received stats reply from 002320c72f83 >> >> >> >> >> >> Port stats in from datapath 00:23:20:c7:2f:83 >> >> >> >> >> >> 0 : 173 >> >> >> >> >> >> 1 : 171 >> >> >> >> >> >> 00145|openflow-event|DBG:received stats reply from 002320c72f83 >> >> >> >> >> >> *Aggregate stats in from datapath 00:23:20:c7:2f:83* >> >> >> >> >> >> * {'packet_count': 0L, 'byte_count': 0L, 'flow_count': 0L}* >> >> >> >> >> >> * * >> >> >> >> >> >> ==== dump aggregate statistics from Openflow ====== >> >> >> >> >> >> hda:/cdrom# *./dpctl dump-aggregate nl:0* >> >> >> >> >> >> stats_reply (xid=0xbf8b2f94): flags=none type=2(aggregate) >> >> >> >> >> >> *packet_count=310 byte_count=30380 flow_count=4* >> >> >> >> >> >> hda:/cdrom# *./dpctl dump-aggregate nl:0* >> >> >> >> >> >> stats_reply (xid=0xe7b9f769): flags=none type=2(aggregate) >> >> >> >> >> >> *packet_count=318 byte_count=31164 flow_count=4* >> >> >> >> >> >> * * >> >> >> >> >> >> * * >> >> >> >> >> >> Thanks, >> >> >> >> >> >> MinChi >> >> >> >> >> >> >> >> ------------------------------------------------------------------------ >> >> >> >> >> >> _______________________________________________ >> >> >> nox-dev mailing list >> >> >> [email protected] >> >> >> http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org >> >> >> >> >> >> >> >> > >> >> > >> >> >> >> -----Original Message----- >> From: Martin Casado [mailto:[email protected]] >> Sent: Friday, January 15, 2010 3:16 PM >> To: MinChi Tseng >> Cc: [email protected] >> Subject: Re: [nox-dev] aggregate flow statistics always return 0 >> _______________________________________________ >> nox-dev mailing list >> [email protected] >> http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org >> > > > > -- > Rodrigo de Souza Braga > Mestrando em Ciência da Computação > Universidade Federal do Amazonas - UFAM > > _______________________________________________ > nox-dev mailing list > [email protected] > http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org > > _______________________________________________ nox-dev mailing list [email protected] http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org
