I already read that article but that is a configuration I'd like to avoid as I would need to double the number of my switches and ports (gre+tep for each link).
I'd just like to know if eth0 should not be attached to the switch in order for the gre tunnel to work or if I am doing something wrong. 2014-05-05 20:32 GMT+02:00 Ben Pfaff <[email protected]>: > On Mon, May 05, 2014 at 06:27:09PM +0200, Pasquale Dir wrote: > > I have another problem. > > I have an openvswitch linked to another openvswitch by a gre tunnel. This > > tunnel belongs to the vlan 2. I have one Vm for each switch, each vm is > > attached to the switch by a port tagged 2. > > > > Now, everything works fine until I add my eth0 port to these > openvswitches. > > When I do that, the VMs can't communicate anymore even though they could, > > thanks to the tunnel gre which is a trunk port for the vlan 2. > > > > I think the problem is eth0 which is not a trunk port. > > > > Does this mean that, in order to achieve vlan isolation and still connect > > switches with gre tunnels, I need at least an external (ie. not connected > > to the openvswitch) network port? > > Here is a good article on this topic: > > http://blog.scottlowe.org/2013/05/07/using-gre-tunnels-with-open-vswitch/ >
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