Sorry all... It also helps if networks enable multicast routing. Waiting on this to be done.
Thanks for the suggestions all. On 25 Aug 2010, at 14:56, Carl Trieloff <[email protected]> wrote: > On 08/23/2010 06:43 PM, MHT wrote: >> So presume the tcpdump shows that the packet only gets as far as the >> multicast >> address but nothing receiving? Sorry, I'm a numpty when it comes to >> networks. >> Also, the Reporter column in /proc/net/igmp shows all zeros. The servers that >> host the nodes where there's an issue are on the same vlan with no firewall >> between them, and selinux is disabled. > > > If you are running Linux, then by default in most distro's there is also a > firewall > running as a service on the box. > > do a 'service ipstables stop' as root on both boxes. > > If that resolves it, you can correct the iptables config. Form your > discription my bet > is that it is iptables. > > Carl. > > --------------------------------------------------------------------- > Apache Qpid - AMQP Messaging Implementation > Project: http://qpid.apache.org > Use/Interact: mailto:[email protected] > --------------------------------------------------------------------- Apache Qpid - AMQP Messaging Implementation Project: http://qpid.apache.org Use/Interact: mailto:[email protected]
