Hello Jesse, Thank you for your response. I am replying a month later because we are finally moving on to the testing phase of our GRE tunneling solution and getting our testbed setup and configured correctly is turning out to be a learning experience in itself. In your response below, are you saying that eth0 should have an IP address and the tunnels should point to that IP? If so, a number of the tutorials online say to give the bridge an IP and leave the Ethernet interface blank...so its a bit confusing.
On Mon, Jul 29, 2013 at 8:23 PM, Jesse Gross <je...@nicira.com> wrote: > On Mon, Jul 29, 2013 at 5:02 PM, Dmita Levy <dlevy...@fiu.edu> wrote: > > > > Hello, > > > > I have attached an image of a simple GRE tunnel that I am testing below > but I am unable to figure out why it will not work. The setup is one host > with one bridge (bridge0), directly connected to another host with one > brige. A GRE tunnel has been specified in OVS with the adjacent bridge as > the remote IP. Assuming this is correct, why are the packets (ping etc.) > that are sent between the host not encapsulated in GRE but ARP, Multicast > etc are encapsulated? > > The remote IP address of the tunnel should not be pointing at the > bridge interface that the tunnels are connected to. It needs to be the > IP address of the physical interfaces in the system, otherwise packets > won't actually be able to ingress into the bridge. >
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