Hey, I have a few questions regarding the support of GRE tunnels in OVS.
1. I create a tunnel endpoint on an ovs-port with the gre options as defined in the manpages. Now i want to send mod-flow msgs from the controller which contain only the output action on that port. Will ovs append the transport tunnel header on it by itself even when i hve not specified the set-tunnel action?. 2. Is the tunneling support in question one, extensible in anyway? What if i want to add some extra headers or modify the tunnel headers? 3. A tunnel endpoint is logically bounded to a physical interface which means that ovs will make that port a TEP as viewed by the hypervisor. Can i make multiple tunnels from the same TEP destined to multiple destination TEPs? Effectively meaning can i have multiple tunnels originating from the same port that i made in part 1? 4. What is the best possible way to create such tunnel between OVS and VMs. This is different from part 3 above as VMs will not have physical NICs. It more of a logical tunnel then actual tunnel between 2 physical hosts Regards, -atk -- Regards, -Ahmed Talha Khan
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