On Thu, Jul 30, 2015 at 05:56:29AM +0530, Abhishek Verma wrote: > Hi, > > I have 3 switches connected via OVS like this: > > R1 -- R2 -- R3 > > I am doing an iperf test using TCP between R1 and R3. R1, R2 and R3 are > spread out geographically and i use a VXLAN tunnel to connect them. > > iperf test shows me considerable packet losses. However, ovs-vsctl get > interface stats is showing me zero losses on all the legs. > > This means that OVS for example on R2 forwarded all the packets that it > recieved on the VXLAN tunnel from R1 to R3. Is my assumption correct. This > means that the packet losses reported by iperf are the packet losses in the > network and not because of OVS. > > Besides interface statistics is there any other way to get packet drops by > OVS?
You might have drops at the NIC level, so check ethtool -S output or bad flows which for some reason is dropping packets too. fbl _______________________________________________ discuss mailing list [email protected] http://openvswitch.org/mailman/listinfo/discuss
