'cman_tool status' command shows same multicast address twice

Solution Verified - Updated -

Issue

  • The cluster is configured to use redundant heartbeat network interfaces for multicast communication. But the cman_tool status command shows same multicast address for both interfaces.

    $ cman_tool status
Version: 6.2.0
Config Version: 76
Cluster Name: test-cluster
[...]
Nodes: 4
Expected votes: 4
Total votes: 4
Node votes: 1
Quorum: 3  
Active subsystems: 10
Flags: 
Ports Bound: 0 11 177  
Node name: node1
Node ID: 1
Multicast addresses: 239.192.121.125   239.192.121.125     <---- Both multicast address are same.
Node addresses: 192.168.0.10    192.168.0.11

Environment

  • Red Hat Enterprise Linux Server 6.4 (with the High Availability and Resilient Storage Add Ons)
  • Redundant cluster heartbeat network

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