On Fri, Jun 26, 2015 at 12:36 PM, Aaron Pierce <[email protected]> wrote: > I would like to use OVS/GRE to tunnel multicast between nodes. I've set up > a test environment, and am unable to get multicast working between GRE > connected nodes(UDP and TCP work fine). > > I also found a 5 year old thread suggesting that multicast over GRE isn't > implemented: > > http://openvswitch.org/pipermail/discuss/2010-September/004454.html > >> This configuration would normally work. However, multicast isn't >> currently implemented in the Open vSwitch GRE stack. It's planned and >> it shouldn't be too much work but it hasn't been done yet. > > > Should multicast over a GRE tunnel work?
Nothing was ever implemented on this front, so it hasn't changed. It should be possible to run multicast traffic over a unicast tunnel (since the tunnel itself doesn't care about IP layer) but there's no support for the tunnels themselves being multicast. _______________________________________________ discuss mailing list [email protected] http://openvswitch.org/mailman/listinfo/discuss
