IP forwarding?
On Fri, Jul 26, 2013 at 12:24:23PM -0700, Cali Ente wrote: > Gotcha, is there a known workaround to get OVS to communicated with the > device? Perhaps using a middleman to bounce the comms back and forth? > Thanks > > > On Fri, Jul 26, 2013 at 12:18 PM, Ben Pfaff <b...@nicira.com> wrote: > > > You can't attach a tun to an OVS bridge because it is an IP (L3) > > device and OVS only supports Ethernet (L2) devices. > > > > On Fri, Jul 26, 2013 at 12:05:21PM -0700, Cali Ente wrote: > > > Ahh no, I am having issues connecting a tun to OVS. I have been perusing > > > the documentation to see if it due to an improperly formatted > > > command/setup. I had the idea in my head that I needed to specify GRE for > > > the tun in order for OVS properly attach, but alas I misread the wiki. > > > > > > > > > On Fri, Jul 26, 2013 at 11:49 AM, Dmita Levy <dlevy...@fiu.edu> wrote: > > > > > > > OVS creates its own GRE tunnel so there is no need to have a > > pre-existing > > > > adapter or create an additional adapter as far as I know. I only > > suggested > > > > you use tunctl because I thought you would need to TAP a bridge like I > > do > > > > here: > > > > > > > > https://drive.google.com/a/fiu.edu/?tab=mo#my-drive > > > > > > > > > > > > > > > > > > > > On Fri, Jul 26, 2013 at 2:23 PM, Cali Ente < > > calientepermane...@gmail.com>wrote: > > > > > > > >> 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 <dlevy...@fiu.edu> > > 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 < > > calientepermane...@gmail.com > > > >>> > 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 <dlevy...@fiu.edu> > > 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 < > > > >>>>> calientepermane...@gmail.com> 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 <dlevy...@fiu.edu > > >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 < > > > >>>>>>> calientepermane...@gmail.com> 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 <je...@nicira.com > > >wrote: > > > >>>>>>>> > > > >>>>>>>>> On Fri, Jul 26, 2013 at 8:54 AM, Cali Ente < > > > >>>>>>>>> calientepermane...@gmail.com> 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 > > > >>>>>>>> discuss@openvswitch.org > > > >>>>>>>> http://openvswitch.org/mailman/listinfo/discuss > > > >>>>>>>> > > > >>>>>>>> > > > >>>>>>> > > > >>>>>> > > > >>>>> > > > >>>> > > > >>> > > > >> > > > > > > > > > _______________________________________________ > > > discuss mailing list > > > discuss@openvswitch.org > > > http://openvswitch.org/mailman/listinfo/discuss > > > > _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
