sdavis <steven.davis@...> writes: > > Greetings! > > I’ve installed OVS with some NSH patches using these instructions: > https://github.com/yyang13/ovs_nsh_patches/blob/master/README.md. I ended up building an rpm > from the resulting package and installed from that. Here’s version output: > > [root <at> prv-10-11-ksupp user]# ovs-vsctl -V > ovs-vsctl (Open vSwitch) 2.5.90 > Compiled May 6 2016 11:59:34 > DB Schema 7.12.1 > > My configuration is very simple as seen here: > > [root <at> prv-10-11-ksupp user]# ovs-vsctl show > 4f8721e2-43a2-4cf0-b43c-bb74b51904ac > Bridge "br0" > Port "br0" > Interface "br0" > type: internal > Port "vnet0" > Interface "vnet0" > Port "vnet1" > Interface "vnet1" > ovs_version: “2.5.90" > > and, at this point, I just want traffic to flow between 2 vm’s on the host itself, hence this flow: > > [root <at> prv-10-11-ksupp user]# ovs-ofctl dump-flows br0 > NXST_FLOW reply (xid=0x4): > cookie=0x0, duration=63144.743s, table=0, n_packets=0, n_bytes=0, idle_age=63144, priority=0 actions=NORMAL > > Super simple install it would appear, yet I can’t get vm1 to talk to vm2 through br0… I switch it out for a > linux bridge and it works fine, but ovs is a no go… Here are the log entries that are consistently filling > my logs during a test ping (that fails) between the vm’s: > > May 10 11:21:09 prv-10-11-ksupp ovs-vswitchd: ovs|01944|odp_util(handler19)|ERR|Dropped 5 log > messages in last 5 seconds (most recently, 1 seconds ago) due to excessive rate > May 10 11:21:09 prv-10-11-ksupp ovs-vswitchd: ovs|01945|odp_util(handler19)|ERR|attribute > tcp_flags has length 4 but should have length 2 > May 10 11:21:15 prv-10-11-ksupp ovs-vswitchd: ovs|01946|odp_util(handler19)|ERR|Dropped 5 log > messages in last 5 seconds (most recently, 1 seconds ago) due to excessive rate > May 10 11:21:15 prv-10-11-ksupp ovs-vswitchd: ovs|01947|odp_util(handler19)|ERR|attribute > tcp_flags has length 4 but should have length 2 > May 10 11:21:21 prv-10-11-ksupp ovs-vswitchd: ovs|01948|odp_util(handler19)|ERR|Dropped 5 log > messages in last 5 seconds (most recently, 1 seconds ago) due to excessive rate > May 10 11:21:21 prv-10-11-ksupp ovs-vswitchd: ovs|01949|odp_util(handler19)|ERR|attribute > tcp_flags has length 4 but should have length 2 > May 10 11:21:27 prv-10-11-ksupp ovs-vswitchd: ovs|01950|odp_util(handler19)|ERR|Dropped 8 log > messages in last 5 seconds (most recently, 1 seconds ago) due to excessive rate > May 10 11:21:27 prv-10-11-ksupp ovs-vswitchd: ovs|01951|odp_util(handler19)|ERR|attribute > tcp_flags has length 4 but should have length 2 > > When I stop a ping, the logs stop. Also here’s the output of ova-dbctl show: > > [root <at> prv-10-11-ksupp user]# ovs-dpctl show > system <at> ovs-system: > lookups: hit:0 missed:3819 lost:0 > flows: 0 > masks: hit:0 total:0 hit/pkt:0.00 > port 0: ovs-system (internal) > port 1: br0 (internal) > port 2: vnet0 > port 3: vnet1 > > Any idea’s why this might be happening? tcpdumping on the on the vnet shows the icmp traffic leaving vm1 > but I don’t see anything if I tcpdump on br0… > > Thanks in advance! > _______________________________________________ > discuss mailing list > discuss <at> openvswitch.org > http://openvswitch.org/mailman/listinfo/discuss >
OVS with NSH patches does not support kernel dataplane. You need to make bridge work in userspace mode by: ovs-vsctl set bridge br0 datapath_type=netdev _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
