Can you show us the "ovs-dpctl show" output? Thanks,
Ben. On Fri, Sep 19, 2014 at 11:30:05AM -0400, samantha Andares wrote: > hi ben, > > thanks for your feedback. > > I am getting 100% packets drop.. If problem was with the amount of > messages... I presume some would have been going through... as stated in my > latest email.... this is specific to when going out on a USB to Ethernet > adaptor on a specific hardware (beagle bone board). I am using OVS 2.0 and > Ubuntu 14.04. How can we analyse the messages in userspace and why would the > message go to userspace... shouldn't it stay in kernel space if it matches a > flow and just be forwarded to the outgoing physical port as per the rule is > saying? My traffic is simple iperf udp messages.. tried flow of 10MB and > 100KB... problem is the same... > > thanks, > > sam > > > Date: Fri, 19 Sep 2014 08:20:24 -0700 > > From: b...@nicira.com > > To: sam.anda...@hotmail.com > > CC: disc...@openvswitch.org; dev@openvswitch.org > > Subject: Re: [ovs-dev] debugging OVS > > > > [dropping mininet-discuss because it is a closed mailing list and I am > > not a subscriber] > > > > On Thu, Sep 18, 2014 at 05:37:43PM -0400, samantha Andares wrote: > > > I am getting packets dropped when going out of an OVS bridge. The TX > > > dropped is increased in ovs-dpctl but not at the physical interface > > > level (ifconfig). > > > > > > Can anyone tell me how to enable some OVS debugging so I can find the > > > reason to fix that problem? > > > > Do you mean that ovs-dpctl shows the datapath's "drop" count is going > > up? If so, the problem is that packets that need attention from > > userspace are arriving faster than userspace can process them. The best > > way to reduce drops is to upgrade to the latest version of Open vSwitch, > > which is 2.3, because we've spent a lot of time the last few years > > coming up with ways to reduce the number of packets that have to be sent > > to userspace. If you are already using 2.3, then I am surprised that > > you are seeing lots of drops. Is there anything unusual about your > > environment or the traffic that you are using? > _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
