[ovs-discuss] Traffic among the VMS on the same host

Ben Pfaff blp at nicira.com
Thu Dec 16 17:28:31 UTC 2010

On Thu, Dec 16, 2010 at 09:28:31PM +0530, Ramana Reddy wrote:
> Hi Everyone, This is my set up.

It's a little hard to see.  I think you must have made it with a
proportional font or a tab width different from mine.

> VM1 and VM2 are running on Host machine. According the paper "Extending
> Networking into the
> Virtualization Layer" from ovenvswitch, we can create virtual private
> networks between "VM1 and Linux Machine"
> and "VM2 and Linux Machine". The main intension is here that the traffic
> from VM1 to VM2 should travel
> through Linux Machine ( Now its going directly from VM1->VM2).

You can use GRE tunnels for this.  The Interface table describes how to
configure GRE tunnels with Open vSwitch:

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