[ovs-discuss] communication among VMs in multiple physical hosts

[Alex Wang]

Yes, you can try ping from the two vms.  and the ping should work with this
setup,


On Fri, Oct 18, 2013 at 4:42 PM, Nan <codingcatovs at gmail.com> wrote:

> Ah, thanks, Alex
>
> if I want the VMs on host 1 and host 2 to be able to communicate with each
> other,
>
> I still need the tunnel?
>
> --
> Nan
>
> On Friday, 18 October, 2013 at 7:15 PM, Alex Wang wrote:
>
> Well, as the FAQ says,
>
> """
> A physical Ethernet device that is part of an Open vSwitch bridge
> should not have an IP address.  If one does, then that IP address
> will not be fully functional.
> """
>
> The eth1 on br0 still has address "192.168.2.1".
>
> If you still want eth0 on br0 and eth1 having address "192.168.2.1",
> one feasible configuration is to use tunnel. E.g.
> *
> *
> *On host1:*
> ovs-vsctl del-port eth1
> ovs-vsctl add-port tunnel_to_host2 -- set interface tunnel_to_host2
> type=gre options:remote_ip=192.168.2.2
>
> *On host2:*
> ovs-vsctl del-port eth1*
> *
> ovs-vsctl add-port tunnel_to_host1 -- set interface tunnel_to_host1
> type=gre options:remote_ip=192.168.2.1
>
> This is actually a common solution for directing traffic to corresponding
> physical interface.
>
> Thanks,
>
>
>
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