Yes, now the performance it's much better, thank you!at least now it installs all the flows thuogh when they are installed then it starts to lose some flows but I guess that this is because of the idel timeout. I will try it increasing it to check if is there still loss of flows. Thanks again,
Greetings, Jose 2011/5/25 Jose Luis Franco Arza <[email protected]> > Thank you very much Ben, I will try it now and I will let you know > > > 2011/5/25 Ben Pfaff <[email protected]> > >> On Wed, May 25, 2011 at 07:19:53PM +0200, Jose Luis Franco Arza wrote: >> > > >> > > That looks like OFPET_BAD_REQUEST, OFPBRC_BUFFER_UNKNOWN "Specified >> > > buffer does not exist". I imagine that on the switch side you got a >> > > bunch of "cookie mismatch" log messages. >> > > >> > >> > Exactly, in the openvswitch I receive a lot of cookie mismatch messages >> and >> > also some other log message that I don't understand at all (I read that >> they >> > were used for debuggin openvswitch so I just ignore them) >> >> You should be able to find a line like this in ofproto/connmgr.c in >> Open vSwitch: >> ofconn->pktbuf = pktbuf_create(); >> >> If you delete that line, do you see better performance? If so, then >> perhaps it's time to work on making OVS suppress packet buffering in >> overload conditions, or maybe to just drop support entirely. >> >> We don't see this problem at Nicira because our controllers set up >> flows proactively, not reactively. >> > >
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