Hello, I am working with openvswitch to analyze the performance of GRE and VXLAN tunnel. I have two host machines with Ubuntu 14.04 installed. Each host machine has 1 Virutal Machine. The host machines are connected via one 1GbE switch. I installed openvswitch version 2.0.2 from the repository of Ubuntu 14.04. I created one virtual machine via KVM.
I followed this document to implement GRE and VXALN. http://networkstatic.net/configuring-vxlan-and-gre-tunnels-on-openvswitch/ I kept my bridge in NORMAL mode. And I did not enable any flow. I created one port in openvswitch and tried to connect the Virtual Machine to that port. But I was not successful. The port did not show up in the NIC options in the Virtual Machine. So I created one virtual network by using virtual machine manager and configured it such a way that it can forward the packets to the bridge br1. I then connected the Virtual Machine NIC to that virtual network. The virtual machines have private IP addresses and the hosts have public IP addresses. For better understanding I gave my implementation below: ovs-vsctl add-br br1 ovs-vsctl add-port br1 gre1 -- set interface gre1 type=gre options:remote_ip =(ip address of other host machine) I was able to ping the host from the virtual machine.Unfortunately, I was not able to ping the virtual machine in the other host. Also, if I ping the host from the other host, I did not see any GRE/VXLAN encapsulaiton in the packet. So, the traffic is not forwarded to the tunnel I guess. Could you please suggest any solution to this problem so that the traffic can go via the tunnel? And also the Virtual Machines can ping each other via the tunnel? Thanking you Mitalee Sarker
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