Hi Yimin,

Take a look at the information in the REPORTING_BUGS section for things to help 
you get a response. For this particular issue, I would look at the following:
- assign ips to br0 on each bridge
- make sure you can ping between bridges
(if not, your connection is probably not what you think it is, no point in 
debugging vm connection)
- ovs dpctl show br0
- ovs ofctl dump-flows br0 on each
- start ping from source to destination (either bridge if br failed, or vm)
- ovs dpctl dump-flows br0 on each

You can also try tcpdumping to see if any traffic is leaving the machine.

  -Reid

On Jul 16, 2555 BE, at 23:11, YIMIN CHEN <ymchen.n...@gmail.com> wrote:

> Hi,
> 
> I am trying to setup 2 OVS Hosts, with VMs running on each. My goal is to see 
> the VMs can ping each other (I tried the VLAN cookbook and couldn't get it to 
> work, so trying with VM with no vlan config first). Here is my setup:
> 
> VM1 (11.1.1.4) and VM2 (11.1.1.5) running on Host 1. 
> VM3 (11.1.1.7) and VM4 (11.1.1.8) running on Host 2
> 
> Both Hosts showing VM ports are in the br0:
> 
> jason1@jason1:~$ sudo ovs-vsctl list-ports br0
> eth0
> tap0I
> tap1.
> 
> Two eth0 ports of the hosts are connected by a ethernet cable, instead of a 
> physical switch. I had verified that the cable is in working condition.
> 
> I didn't assign IP on eth0 of the hosts, as in cookbook.
> 
> However, VMs on the same host can ping each other, but not b/w hosts.
> 
> I did the same steps as in vlan cookbook, except I didn't use vlan, but 
> rather the most simple 2 hosts case. 
> 
> Am I missing some steps? Your suggestions are appreciated!
> 
> 
> Thanks!
> Yimin
> 
> 
> _______________________________________________
> discuss mailing list
> discuss@openvswitch.org
> http://openvswitch.org/mailman/listinfo/discuss
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