On Mon, Mar 1, 2010 at 3:38 PM, Robert Kulagowski <rkulagow@xxxxxxxxx> wrote: > On Mon, Mar 1, 2010 at 2:06 PM, Robert Kulagowski <rkulagow@xxxxxxxxx> wrote: >> On Mon, Mar 1, 2010 at 11:45 AM, Robert Kulagowski <rkulagow@xxxxxxxxx> wrote: >>>> what kind of endpoint are you using ? Are you sure it is using >>>> multicast to register ? Most endpoints will use a simple broadcast to >>>> find the gatekeeper and you have to make sure your IP routing lets >>>> those through. >>> >>> The endpoints are Polycom HDX 4002 and Viewstation 512. >>> >>> When the autodiscover feature of my Tandberg VCS is enabled, the units >>> can register with the VCS. >>> >>> All devices are in the same VLAN for testing purposes. >>> >>> There is a multicast route: >>> root@gk4:~# route -n >>> Kernel IP routing table >>> Destination Gateway Genmask Flags Metric Ref Use Iface >>> 10.244.22.0 0.0.0.0 255.255.255.0 U 1 0 0 eth0 >>> 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 eth0 >>> 224.0.0.0 0.0.0.0 240.0.0.0 U 0 0 0 eth0 >>> 0.0.0.0 10.244.22.1 0.0.0.0 UG 0 0 0 eth0 >>> >> >> netstat shows that the host thinks that it's joining groups: >> >> rkulagow@gk2:~$ netstat -gn >> IPv6/IPv4 Group Memberships >> Interface RefCnt Group >> --------------- ------ --------------------- >> lo 1 224.0.0.1 >> eth0 1 224.0.1.41 >> eth0 1 224.0.0.251 >> eth0 1 224.0.0.1 >> lo 1 ff02::1 >> eth0 1 ff02::1:ff2c:fcd1 >> eth0 1 ff02::1 >> wlan0 1 ff02::1 >> >> Are there any other settings that need to be enabled on the Ubuntu >> host? There is no firewall running which would block multicast >> packets as far as I can tell. >> >> I'm going to try to run something like VLC to stream multicast and >> ensure that I can receive it on a second system using the same. > > VLC seems to be working: > I'm using a VLC on system #1 to transmit an audio file on > 239.255.12.42 and the multicast receive is working on a second system. > > rkulagow@gk4:~$ netstat -gn > IPv6/IPv4 Group Memberships > Interface RefCnt Group > --------------- ------ --------------------- > lo 1 224.0.0.1 > eth0 1 239.255.12.42 > eth0 1 224.0.0.251 > eth0 1 224.0.0.1 > lo 1 ff02::1 > eth0 1 ff02::1:ffb3:364c > eth0 1 ff02::1 > wlan0 1 ff02::1 > > I can hear audio coming out of the speaker on the second system, and a > wireshark capture shows packets are being transmitted on 239.255.12.42 > > So the multicast portion of the OS and the network infrastructure seem > to be working OK. > Is anyone successfully using multicast gatekeeper discovery with a Linux host? I've checked everything I can on my side, and EPs can register with Tandberg VCS using multicast, but not to GnuGK. ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. http://p.sf.net/sfu/intel-sw-dev _______________________________________________________ Posting: mailto:Openh323gk-users@xxxxxxxxxxxxxxxxxxxxx Archive: http://sourceforge.net/mailarchive/forum.php?forum_name=openh323gk-users Unsubscribe: http://lists.sourceforge.net/lists/listinfo/openh323gk-users Homepage: http://www.gnugk.org/
