Hey JinHwan, Could you also provide the "ovs-dpctl dump-flows" and "tcpdump" output?
Kind Regards, Alex Wang, On Fri, Jul 5, 2013 at 12:23 AM, JinHwan Hwang <calanc...@gmail.com> wrote: > I've followed ovs gre setting described at > this<http://blog.scottlowe.org/2013/05/07/using-gre-tunnels-with-open-vswitch/>. > But i couldn't ping from a vm to other vm over gre. I just got packet loss > message from ping command. As i understand ping should go through gre0 and > so on br0 and em0(physical ethernet interface). I'm currently can't figured > out where to start to solve this problem. I attached all data which is > relevant to this problem as i think. > > thanks for your help > > > em1, 2 : physical ethernet interface. > vnet0 : virtual interface for the vm at host. > default policy for iptables is ACCEPT. > > host1 > ----------------------------------------------- > # ovs-vsctl show > a27e5053-57f1-4abc-ad16-740b991deaf4 > Bridge "br1" > Port "vnet0" > Interface "vnet0" > Port "gre1" > Interface "gre1" > type: gre > options: {remote_ip="192.168.100.21"} > Port "br1" > Interface "br1" > type: internal > Bridge "br0" > Port "tep0" > Interface "tep0" > type: internal > Port "em2" > Interface "em2" > Port "br0" > Interface "br0" > type: internal > > # ifconfig > br0 Link encap:Ethernet HWaddr 78:45:C4:F1:77:D3 > inet addr:111.111.104.20 Bcast:111.111.255.255 Mask:255.255.0.0 > UP BROADCAST RUNNING MTU:1500 Metric:1 > RX packets:87798 errors:0 dropped:0 overruns:0 frame:0 > TX packets:8311 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:16964268 (16.1 MiB) TX bytes:4102764 (3.9 MiB) > > br1 Link encap:Ethernet HWaddr 06:6F:5E:19:8E:43 > UP BROADCAST RUNNING MTU:1500 Metric:1 > RX packets:70 errors:0 dropped:0 overruns:0 frame:0 > TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:7424 (7.2 KiB) TX bytes:0 (0.0 b) > > em1 Link encap:Ethernet HWaddr 78:45:C4:F1:77:D1 > inet addr:172.16.143.20 Bcast:172.16.143.255 Mask:255.255.255.0 > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:1013749 errors:0 dropped:0 overruns:0 frame:0 > TX packets:591839 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:116551436 (111.1 MiB) TX bytes:190337381 (181.5 MiB) > Interrupt:36 Memory:d6000000-d6012800 > > em2 Link encap:Ethernet HWaddr 78:45:C4:F1:77:D3 > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:271696 errors:0 dropped:0 overruns:0 frame:0 > TX packets:31348 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:52996899 (50.5 MiB) TX bytes:13088219 (12.4 MiB) > Interrupt:48 Memory:d8000000-d8012800 > > lo Link encap:Local Loopback > inet addr:127.0.0.1 Mask:255.0.0.0 > UP LOOPBACK RUNNING MTU:16436 Metric:1 > RX packets:77086 errors:0 dropped:0 overruns:0 frame:0 > TX packets:77086 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:9595600 (9.1 MiB) TX bytes:9595600 (9.1 MiB) > > tep0 Link encap:Ethernet HWaddr 76:EE:E6:89:FE:46 > inet addr:192.168.100.20 Bcast:192.168.100.255 > Mask:255.255.255.0 > UP BROADCAST RUNNING MTU:1500 Metric:1 > RX packets:79785 errors:0 dropped:0 overruns:0 frame:0 > TX packets:155 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:9641257 (9.1 MiB) TX bytes:15049 (14.6 KiB) > > vnet0 Link encap:Ethernet HWaddr FE:0D:45:A3:92:EA > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:271 errors:0 dropped:0 overruns:0 frame:0 > TX packets:35 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:500 > RX bytes:25038 (24.4 KiB) TX bytes:3498 (3.4 KiB) > > # route > Kernel IP routing table > Destination Gateway Genmask Flags Metric Ref Use > Iface > 192.168.100.0 * 255.255.255.0 U 0 0 0 > tep0 > 172.16.143.0 * 255.255.255.0 U 0 0 0 em1 > link-local * 255.255.0.0 U 1002 0 0 em1 > 111.111.0.0 * 255.255.0.0 U 0 0 0 br0 > default 111.111.104.1 0.0.0.0 UG 0 0 0 br0 > > > > > > host2 > ----------------------------------------------- > # ovs-vsctl show > 5dcbfca3-e518-4214-8c23-7b89b30719ad > Bridge "br0" > Port "br0" > Interface "br0" > type: internal > Port "tep0" > Interface "tep0" > type: internal > Port "em2" > Interface "em2" > Bridge "br1" > Port "br1" > Interface "br1" > type: internal > Port "gre1" > Interface "gre1" > type: gre > options: {remote_ip="192.168.100.20"} > Port "vnet0" > Interface "vnet0" > > > # ifconfig > br0 Link encap:Ethernet HWaddr D4:BE:D9:AC:F0:CF > inet addr:111.111.104.21 Bcast:111.111.255.255 Mask:255.255.0.0 > UP BROADCAST RUNNING MTU:1500 Metric:1 > RX packets:87006 errors:0 dropped:0 overruns:0 frame:0 > TX packets:13260 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:12556550 (11.9 MiB) TX bytes:4318048 (4.1 MiB) > > br1 Link encap:Ethernet HWaddr CA:5A:E9:93:13:4A > UP BROADCAST RUNNING MTU:1500 Metric:1 > RX packets:70 errors:0 dropped:0 overruns:0 frame:0 > TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:7424 (7.2 KiB) TX bytes:0 (0.0 b) > > em1 Link encap:Ethernet HWaddr D4:BE:D9:AC:F0:CD > inet addr:172.16.143.21 Bcast:172.16.143.255 Mask:255.255.255.0 > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:903898 errors:0 dropped:0 overruns:0 frame:0 > TX packets:417417 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:101599551 (96.8 MiB) TX bytes:116662118 (111.2 MiB) > Interrupt:36 Memory:d6000000-d6012800 > > em2 Link encap:Ethernet HWaddr D4:BE:D9:AC:F0:CF > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:287767 errors:0 dropped:0 overruns:0 frame:0 > TX packets:48626 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:1000 > RX bytes:54416236 (51.8 MiB) TX bytes:14369437 (13.7 MiB) > Interrupt:48 Memory:d8000000-d8012800 > > lo Link encap:Local Loopback > inet addr:127.0.0.1 Mask:255.0.0.0 > UP LOOPBACK RUNNING MTU:16436 Metric:1 > RX packets:186515 errors:0 dropped:0 overruns:0 frame:0 > TX packets:186515 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:21395412 (20.4 MiB) TX bytes:21395412 (20.4 MiB) > > tep0 Link encap:Ethernet HWaddr 5A:97:DC:14:AD:B8 > inet addr:192.168.100.21 Bcast:192.168.100.255 > Mask:255.255.255.0 > UP BROADCAST RUNNING MTU:1500 Metric:1 > RX packets:77121 errors:0 dropped:0 overruns:0 frame:0 > TX packets:156 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:0 > RX bytes:13815665 (13.1 MiB) TX bytes:14693 (14.3 KiB) > > vnet0 Link encap:Ethernet HWaddr FE:0D:45:A3:92:EA > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 > RX packets:51 errors:0 dropped:0 overruns:0 frame:0 > TX packets:26 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:500 > RX bytes:4170 (4.0 KiB) TX bytes:1136 (1.1 KiB) > > # route > Kernel IP routing table > Destination Gateway Genmask Flags Metric Ref Use > Iface > 192.168.100.0 * 255.255.255.0 U 0 0 0 > tep0 > 172.16.143.0 * 255.255.255.0 U 0 0 0 em1 > link-local * 255.255.0.0 U 1002 0 0 em1 > 111.111.0.0 * 255.255.0.0 U 0 0 0 br0 > default 111.111.104.1 0.0.0.0 UG 0 0 0 br0 > > > vm at host 1 > ----------------------------------------- > eth0 : 10.123.123.20 > > vm at host 2 > ----------------------------------------- > eth0 : 10.123.123.21 > > > _______________________________________________ > discuss mailing list > discuss@openvswitch.org > http://openvswitch.org/mailman/listinfo/discuss > >
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