You can also right-click on a packet from the controller traffic, select Decode As..., and set OFP as the Transport protocol. This will let you temporarily associate the port with the OpenFlow decoder without having to recompile the plugin.
-- Murphy On Wed, 2011-02-16 at 15:57 -0500, Niky Riga wrote: > I am not an expert in wireshark so I might be totally wrong here, but I > believe that in the OF wireshark plugin, you have to modify the Makefile > to specify the exact port that you want to use to capture OF control > traffic, in this case port 7777 or it will use the default OF port. > > Someone with more experience in the OF wireshark plugin please jump in > if this is inaccurate. > > --niky > > On 2/16/11 3:49 PM, Bob Lantz wrote: > > I believe the control traffic is there (look at tcpdump), but for some > > reason wireshark isn't showing it if it's on port 7777. > > > > -Bob > > > > On Feb 16, 2011, at 12:12 PM, Aaron Rosen wrote: > > > >> Hi Bob, > >> > >> I'm running this on the loopback interface in wireshark. I think I see > >> whats going on. > >> > >> If I run mn like this I don't see any of traffic in wireshark > >> > >> sudo mn --custom mytopo.py --topo mytopo --switch ovsk --controller > >> remote --port 7777 > >> > >> Though If I run it like this I do: > >> > >> > >> sudo mn --custom mytopo.py --topo mytopo --switch ovsk --controller remote > >> > >> (Note I do change the port that my controller is running on respectively.) > >> > >> > >> Now that I can see the OF traffic I may be able to see where I'm going > >> wrong. > >> > >> Thanks, > >> > >> Aaron > >> > >> > >> On Wed, Feb 16, 2011 at 3:04 PM, Bob Lantz<[email protected]> wrote: > >>> Hi Aaron, > >>> > >>> Which interface are you running wireshark on? > >>> > >>> For a controller running inside the VM, you should probably be looking at > >>> the loopback interface. > >>> > >>> -Bob > >>> > >>> On Feb 16, 2011, at 11:59 AM, Aaron Rosen wrote: > >>>> > >>>> I'm trying to look at my openflow traffic with wireshark but for some > >>>> reason I'm not seeing any. Though at my controller I'm definitely > >>>> getting the packets. (I think this may because I'm using mininet? I've > >>>> tried all the interfaces on my machine in wireshark). Though when I > >>>> try this using the Openflow Tutorial provided VM i'm also not seeing > >>>> any 'of' packets in wireshark there? (Any idea why)? > >>>> > >>>> Thanks, > >>>> > >>>> Aaron > >>>> > >>>> > >>>> > >>>> -- > >>>> Aaron O. Rosen > >>>> Masters Student - Network Communication > >>>> 306B Fluor Daniel > >>>> 843.425.9777 > >>>> > >>>> _______________________________________________ > >>>> nox-dev mailing list > >>>> [email protected] > >>>> http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org > >>> > >>> > >> > >> > >> > >> -- > >> Aaron O. Rosen > >> Masters Student - Network Communication > >> 306B Fluor Daniel > >> 843.425.9777 > > > > > > _______________________________________________ > > nox-dev mailing list > > [email protected] > > http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org > > _______________________________________________ > nox-dev mailing list > [email protected] > http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org _______________________________________________ nox-dev mailing list [email protected] http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org
