Created tunnels using tunctl, but getting back to the original question posted, when I asked about using GRE with tunnels, it was stated that OVS creates it's own GRE tunnel to communicate, and does not use preexisting tunnels, it seems like now you are contradicting this, so just so I'm sure, what is the correct answer?
Thanks, Cal On Fri, Jul 26, 2013 at 11:19 AM, Dmita Levy <[email protected]> wrote: > How did you create the pre-existing tunnel? I would like to duplicate the > issue you're having here on my test hosts. > > > On Fri, Jul 26, 2013 at 2:16 PM, Cali Ente > <[email protected]>wrote: > >> tun0 is a preexisting tunnel, so what I'm trying to do is get OVS to >> communicate with this preexisting tunnel. >> >> >> On Fri, Jul 26, 2013 at 11:14 AM, Dmita Levy <[email protected]> wrote: >> >>> I'm still a little confused as to what it is you're trying to >>> accomplish; if you create a GRE port like this >>> >>> # ovs-vsctl add-port br0 tun0 -- set interface tun0 type=gre >>> options:remote_ip=192.168.1.10 >>> >>> >>> the tunnel should work with no problems. From what you're saying, it >>> seems like you're creating a tunnel and trying to add an additional tunnel >>> adapter? What does your topology look like? >>> >>> On Fri, Jul 26, 2013 at 2:05 PM, Cali Ente <[email protected] >>> > wrote: >>> >>>> Are you referring to something like this? >>>> ifconfig >>>> tun0 Link encap:UNSPEC HWaddr >>>> 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 >>>> UP BROADCAST POINTOPOINT RUNNING NOARP MULTICAST MTU:1424 >>>> Metric:1 >>>> RX packets:0 errors:0 dropped:0 overruns:0 frame:0 >>>> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 >>>> collisions:0 txqueuelen:10 >>>> RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) >>>> ... >>>> ... >>>> ovs-vsctl add-br bro >>>> >>>> This creates a gre port named tun0 on the bridge device bro but it does >>>> not seem to be associated with the actual tun0 net device in anyway >>>> >>>> >>>> >>>> On Fri, Jul 26, 2013 at 10:42 AM, Dmita Levy <[email protected]> wrote: >>>> >>>>> Hello Cali, >>>>> >>>>> Have you tried using tunctl to create the tunnel adapter and then >>>>> adding that adapter to the bridge the gre port is assigned to? That being >>>>> said, what are you using the tun adapter for - is it tun/tap to tap VM's >>>>> into the bridge? >>>>> >>>>> On Fri, Jul 26, 2013 at 1:33 PM, Cali Ente < >>>>> [email protected]> wrote: >>>>> >>>>>> As I thought, in that case, does anyone know of a way to connect a >>>>>> linux tun device to OVS? >>>>>> >>>>>> >>>>>> On Fri, Jul 26, 2013 at 9:19 AM, Jesse Gross <[email protected]>wrote: >>>>>> >>>>>>> On Fri, Jul 26, 2013 at 8:54 AM, Cali Ente < >>>>>>> [email protected]> wrote: >>>>>>> > Hey all quick question, when creating a tunnel port in OVS using >>>>>>> the set >>>>>>> > interface=gre does this connect to a preexisting tun or does OVS >>>>>>> make it's >>>>>>> > own? For example I have a tun0 device that I want to attach to my >>>>>>> OVS port, >>>>>>> > and it cannot be added (incompatible device), so I thought that I >>>>>>> merely >>>>>>> > needed to add it with the GRE option. >>>>>>> >>>>>>> OVS GRE does not use or require an existing device. >>>>>>> >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> discuss mailing list >>>>>> [email protected] >>>>>> http://openvswitch.org/mailman/listinfo/discuss >>>>>> >>>>>> >>>>> >>>> >>> >> >
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