It is possible to run either L2 or L3 over GRE. OVS does L2, many implementations in physical switches are L3. You'll have to read the documentation for your switch to see how to configure it.
On Sat, Sep 28, 2013 at 1:23 AM, Java <jav...@gmail.com> wrote: > I'm confused.. > > My understanding about GRE is a protocol for L2 over L3. So tunnels should > be setup on IP layer all. Or, do you mean GRE implementation in OVS is > different to the implementation in physical switches from > cisco/huawei/juniper? If true, how can I connect OVS with the physical > switches through GRE tunnels? > > > On Sat, Sep 28, 2013 at 1:46 AM, Jesse Gross <je...@nicira.com> wrote: >> >> On Thu, Sep 26, 2013 at 7:05 PM, Java <jav...@gmail.com> wrote: >> > hi list, >> > >> > I need to connect a Cisco 4506 with OVS through GRE protocol. Is it >> > possible >> > to achieve? >> >> OVS GRE tunnels are L2, whereas your Cisco switch probably does mostly >> L3 tunnels. > > _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
