Hi All, I have been working on the gre tunnelling with openvswitch, in which i am using kernel version 3.2 with openvswitch 1.9 on my x86 machine.But i am facing the following issue that the gre interface is showing in *ovs-vsctl show* command but not showing in the *ovs-dpctl show* command.
For this i successfully applied the following fix i.e. i took the LTS version of openvswitch on x86 machine and installed the openvswitch-ipsec package which helps in encapsulation of packets passing through the gre tunnel. After that the gre interface gets shown in the ovs-dpctl command and i am able to ping from one virtual machine to another with the icmp packets getting encapsulated in the gre header. But now my problem is that i want gre tunneling enabled with kernel version 3.8 for which i did the same fix but the gre interface is not visible in *ovs-dpctl show* command. My set up is as follows: Hypervisor1 ovs-vsctl add-br br0 ifconfig br0 up ovs-vsctl add-port br0 eth0 ovs-vsctl add-br br1 ifconfig br1 up ovs-vsctl add-port br1 tap0 ovs-vsctl add-port br1 gre0 -- set interface gre0 type=gre options:remote_ip=10.10.10.2 ifconfig br0 10.10.10.1 netmask 255.255.255.0 up ifconfig br1 192.168..10.1 netmask 255.255.255.0 up ip route add 192.168.20.0/24 via 10.10.10.2 dev br0 VM1 configuration ifconfig eth0 192.168.10.10 up gateway-192.168.10.1 Hypervisor2 ovs-vsctl add-br br0 ifconfig br0 up ovs-vsctl add-port br0 eth0 ovs-vsctl add-br br1 ifconfig br1 up ovs-vsctl add-port br1 tap0 ovs-vsctl add-port br1 gre0 -- set interface gre0 type=gre options:remote_ip=10.10.10.1 ifconfig br0 10.10.10.2 netmask 255.255.255.0 up ifconfig br1 192.168..20.1 netmask 255.255.255.0 up ip route add 192.168.10.0/24 via 10.10.10.1 dev br0 VM2 configuration ifconfig eth0 192.168.20.10 up gateway-192.168.20.1 I have also tried this on kernel version 3.12 and 3.5 but the same problem also persists there. Please help me regarding this issue. Hoping for a positive reply from your side. Thanks Kanika
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