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

[Nan]

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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