What does your flow table look like? You can find out by running "ovs-ofctl dump-flows mxu-br0". Can you also dump your kernel flow table? That's with "ovs-dpctl dump-flows mxu-br0".
--Justin On Jul 18, 2012, at 5:48 PM, Milton Xu (mxu) wrote: > Hi OVS experts, > > I am new to OVS and trying to replace Linux bridge (brctl) utility with OVS. > > Using Linux bridge, I have two VM’s based on QEMU/KVM using two tap > interfaces tap0.mxu and tap1.mxu and they are connected thru my bridge > mxu-br0: > > brctl show mxu-br0 > bridge name bridge id STP enabled interfaces > mxu-br0 8000.6a403c9462ff no tap0.mxu > > tap1.mxu > > > > My two VM’s, mxu-br0, tap0.mxu and tap1.mxu are all on the same Liunx > machine and you can see them all up so I can send ping btw my two VM’s > without any problem. > > >ifconfig | more > eth0 Link encap:Ethernet HWaddr 30:e4:db:c2:a1:a4 > inet addr:172.19.124.54 Bcast:172.19.124.255 Mask:255.255.255.0 > inet6 addr: fe80::32e4:dbff:fec2:a1a4/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:15000589 errors:0 dropped:870 overruns:0 frame:0 > TX packets:7831073 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:15172609160 (15.1 GB) TX bytes:2499636852 (2.4 GB) > Memory:b3160000-b3180000 > > eth1 Link encap:Ethernet HWaddr 30:e4:db:c2:a1:a5 > inet addr:21.255.255.253 Bcast:21.255.255.255 Mask:255.0.0.0 > inet6 addr: fe80::32e4:dbff:fec2:a1a5/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:0 errors:0 dropped:0 overruns:0 frame:0 > TX packets:2611 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:0 (0.0 B) TX bytes:241898 (241.8 KB) > Memory:b3120000-b3140000 > > > lo Link encap:Local Loopback > inet addr:127.0.0.1 Mask:255.0.0.0 > inet6 addr: ::1/128 Scope:Host > UP LOOPBACK RUNNING MTU:16436 Metric:1 > RX packets:10098544920 errors:0 dropped:0 overruns:0 frame:0 > TX packets:10098544920 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:811112857751 (811.1 GB) TX bytes:811112857751 (811.1 GB) > > mxu-br0 Link encap:Ethernet HWaddr 6a:40:3c:94:62:ff > inet6 addr: fe80::6840:3cff:fe94:62ff/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:0 errors:0 dropped:0 overruns:0 frame:0 > TX packets:20 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:0 (0.0 B) TX bytes:4101 (4.1 KB) > > tap0.mxu Link encap:Ethernet HWaddr 6a:40:3c:94:62:ff > inet6 addr: fe80::6840:3cff:fe94:62ff/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:19 errors:0 dropped:0 overruns:0 frame:0 > TX packets:47 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:500 > RX bytes:2742 (2.7 KB) TX bytes:8854 (8.8 KB) > > tap1.mxu Link encap:Ethernet HWaddr ee:0d:fe:17:53:5d > inet6 addr: fe80::ec0d:feff:fe17:535d/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:21 errors:0 dropped:0 overruns:0 frame:0 > TX packets:24 errors:0 dropped:1 overruns:0 carrier:0 > collisions:0 txqueuelen:500 > RX bytes:2598 (2.5 KB) TX bytes:4450 (4.4 KB) > > > Now I use OVS to create bridge mxu-ovs-br1: > > >ovs-vsctl show > 92076a61-e1bc-4610-997e-22cc173891ab > Bridge "mxu-ovs-br1" > Port "mxu-ovs-br1" > Interface "mxu-ovs-br1" > type: internal > Port "tap1.mxu" > Interface "tap1.mxu" > Port "tap0.mxu" > Interface "tap0.mxu" > > I see tap0.mxu and tap1.mxu are up but not bridge mxu-ovs-br1 and it seems > that I could not use ifconfig to bring up mxu-ovs-br1 > (not the same as the Linux bridge utility). With OVS as my soft switch, my > two VMs (still the same, identical QEMU/KVM based ) could not ping each other. > > Does anybody know whether this is because OVS does not work with tap > interface (created using tunctl utility) or I did not configure everything > correctly? > My OVS is built from openvswitch-1.6.1. > > > ifconfig | more > eth0 Link encap:Ethernet HWaddr 58:8d:09:08:9a:04 > inet addr:172.28.12.88 Bcast:172.28.12.255 Mask:255.255.255.0 > inet6 addr: fe80::5a8d:9ff:fe08:9a04/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:3512603 errors:0 dropped:1265 overruns:0 frame:0 > TX packets:6108402 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:567115246 (567.1 MB) TX bytes:9147031239 (9.1 GB) > Memory:b1960000-b1980000 > > > tap0.mxu Link encap:Ethernet HWaddr 4a:ad:a0:91:81:f9 > inet6 addr: fe80::48ad:a0ff:fe91:81f9/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:402 errors:0 dropped:0 overruns:0 frame:0 > TX packets:62 errors:0 dropped:1 overruns:0 carrier:0 > collisions:0 txqueuelen:500 > RX bytes:81538 (81.5 KB) TX bytes:10343 (10.3 KB) > > tap1.mxu Link encap:Ethernet HWaddr ee:dc:21:63:c0:79 > inet6 addr: fe80::ecdc:21ff:fe63:c079/64 Scope:Link > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:401 errors:0 dropped:0 overruns:0 frame:0 > TX packets:37 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:500 > RX bytes:80879 (80.8 KB) TX bytes:5762 (5.7 KB) > > > Thanks in advance, > > Milton > _______________________________________________ > discuss mailing list > discuss@openvswitch.org > http://openvswitch.org/mailman/listinfo/discuss _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
