On Tue, Nov 5, 2013 at 10:05 PM, Diego Rivero <river...@gmail.com> wrote:
> Unable to ping from vm1 to vm2 over GRE with the following settings. I
> confirmed that ping between host1(172.16.40.40) and host2(172.16.50.41) was
> successfully done without problems. Any help is welcome.
>
>
>
>
> host1# ovs-vsctl show
> 1313da2c-30b3-4241-a55d-6b846f2db386
> Bridge "br0"
> Port "eth2"
> Interface "eth2"
> Port "vm1"
> Interface "vm1"
> Port "br0"
> Interface "br0"
> type: internal
> Port "t-gre1"
> Interface "t-gre1"
> type: gre
> options: {in_key=flow, out_key=flow,
> remote_ip="172.16.50.41"}
> Port "eth0"
> Interface "eth0"
> ovs_version: "1.10.0"
>
I think you have got a couple of things wrong.
1) Create 2 bridges. With a new bridge "br-int" having ports vm1 and t-gre1.
Your bridge "br0" can retain "eth0" as a port.
2) Move the IP address of "eth0" to "br0".
Also make sure that you can ping 172.16.50.41 from host1. You don't
need any special flows other than "NORMAL".
>
> host1# ovs-ofctl show br0 | grep addr
> 1(eth0): addr:52:54:00:20:02:57
> 2(eth2): addr:52:54:00:20:02:59
> 34(t-gre1): addr:fa:57:e2:0c:36:ea
> 35(vm1): addr:d2:90:bc:f6:84:2e
> LOCAL(br0): addr:fa:5d:05:e0:bd:49
>
> host1# ovs-ofctl dump-flows br0
> NXST_FLOW reply (xid=0x4):
> cookie=0x0, duration=202.317s, table=0, n_packets=6, n_bytes=252,
> idle_age=11, priority=2,in_port=35 actions=output:34
> cookie=0x0, duration=209.664s, table=0, n_packets=0, n_bytes=0,
> idle_age=209, priority=2,in_port=34 actions=output:35
> cookie=0x0, duration=2291.943s, table=0, n_packets=69, n_bytes=3186,
> idle_age=22, priority=0 actions=NORMAL
>
>
>
> vm1# ifconfig
> eth0 Link encap:Ethernet HWaddr 52:54:00:AA:0A:7B
> inet addr:10.102.0.10 Bcast:10.102.0.255 Mask:255.255.255.0
> inet6 addr: fe80::5054:ff:feaa:a7b/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:45 errors:0 dropped:0 overruns:0 frame:0
> TX packets:11 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:2106 (2.0 KiB) TX bytes:650 (650.0 b)
>
> 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:0 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:0 (0.0 b) TX bytes:0 (0.0 b)
>
> vm1# ping 10.102.0.12
> PING 10.102.0.12 (10.102.0.12) 56(84) bytes of data.
> From 10.102.0.10 icmp_seq=2 Destination Host Unreachable
> From 10.102.0.10 icmp_seq=3 Destination Host Unreachable
> From 10.102.0.10 icmp_seq=4 Destination Host Unreachable
> From 10.102.0.10 icmp_seq=6 Destination Host Unreachable
> From 10.102.0.10 icmp_seq=7 Destination Host Unreachable
>
>
> host2# ovs-vsctl show
> 1313da2c-30b3-4241-a55d-6b846f2db386
> Bridge "br0"
> Port "eth0"
> Interface "eth0"
> Port "br0"
> Interface "br0"
> type: internal
> Port "t-gre2"
> Interface "t-gre2"
> type: gre
> options: {in_key=flow, out_key=flow,
> remote_ip="172.16.40.40"}
> ovs_version: "1.10.0"
>
> host2# ovs-ofctl show br0 | grep addr
> 1(eth0): addr:52:54:00:20:82:24
> 129(t-gre2): addr:c2:91:4e:5f:59:78
> 131(vm2): addr:8e:8f:2b:a3:6c:42
> LOCAL(br0): addr:1e:c0:a2:b7:b1:4d
>
> host2# ovs-ofctl dump-flows br0
> NXST_FLOW reply (xid=0x4):
> cookie=0x0, duration=89.498s, table=0, n_packets=0, n_bytes=0, idle_age=89,
> priority=2,in_port=131 actions=output:129
> cookie=0x0, duration=98.709s, table=0, n_packets=0, n_bytes=0, idle_age=98,
> priority=2,in_port=129 actions=output:131
> cookie=0x0, duration=2161.026s, table=0, n_packets=81, n_bytes=12348,
> idle_age=183, priority=0 actions=NORMAL
>
>
>
> vm2# ifconfig
> eth0 Link encap:Ethernet HWaddr 52:54:00:D2:60:4E
> inet addr:10.102.0.12 Bcast:10.102.0.255 Mask:255.255.255.0
> inet6 addr: fe80::5054:ff:fed2:604e/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:7 errors:0 dropped:0 overruns:0 frame:0
> TX packets:11 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:510 (510.0 b) TX bytes:630 (630.0 b)
>
> 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:0 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:0 (0.0 b) TX bytes:0 (0.0 b)
>
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>
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