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How to find out the Multicast MAC Addresses that are associated with Cluster Virtual interfaces
Solution

By default, Cluster Control Protocol (CCP) works in Multicast mode (for more details, refer to sk93306 - ATRG: ClusterXL R6x and R7x).

Run the following commands on each cluster member to get the list of the Multicast MAC addresses that were associated with Cluster Virtual interfaces:

  1. Start the cluster configuration debug in the background:

    Note: this debug does not consume any CPU resources and does not cause any impact on the performance.

    [Expert@HostName]# fw ctl zdebug -m cluster + conf > /var/log/data.txt &

  2. Generate the list of the cluster interfaces and their configuration:

    [Expert@HostName]# cphaconf debug_data

  3. Bring the cluster configuration debug into the foreground:

    [Expert@HostName]# fg

  4. Stop the debug by pressing CTRL+C.

  5. In the output file '/var/log/data.txt', look for this section:

    ;---- Multicast table ----

 


 

Example of the complete debug output (relevant section appears in bold text):

;24Oct2012 17:52:20.449806;[cpu_0];[fw_0];================================================;
;24Oct2012 17:52:20.449808;[cpu_0];[fw_0];=====   ClusterXL   debug   information      ===;
;24Oct2012 17:52:20.449809;[cpu_0];[fw_0];================================================
;
;24Oct2012 17:52:20.449809;[cpu_0];[fw_0];----  Sync ----
;
;24Oct2012 17:52:20.449812;[cpu_0];[fw_0];fwlddist_state is (1a): Receiving, Not Saving, Sending;
;24Oct2012 17:52:20.449813;[cpu_0];[fw_0];fwlddist_dobcast is: 1;
;24Oct2012 17:52:20.449814;[cpu_0];[fw_0];fw_has_nondefault_filter is: 1;
;24Oct2012 17:52:20.449814;[cpu_0];[fw_0];fw_syncn_is_configured is: 1;
;24Oct2012 17:52:20.449815;[cpu_0];[fw_0];fwlddist_policy_in_ready_state is: 1;
;24Oct2012 17:52:20.449816;[cpu_0];[fw_0];----   VMAC mode:   ----
;
;24Oct2012 17:52:20.449816;[cpu_0];[fw_0];VMAC: vmac mode is enabled;
;24Oct2012 17:52:20.449817;[cpu_0];[fw_0];VMAC: the vmac of each interface:;
;24Oct2012 17:52:20.449821;[cpu_0];[fw_0];Interface: 1) eth4, vmac: 00:1C:7F:00:42:28;
;24Oct2012 17:52:20.449822;[cpu_0];[fw_0];Interface: 2) eth2, vmac: 00:1C:7F:00:40:28;
;24Oct2012 17:52:20.449824;[cpu_0];[fw_0];Interface: 3) eth3, vmac: 00:1C:7F:00:41:28;
;24Oct2012 17:52:20.449824;[cpu_0];[fw_0];VMAC: priomisc mode interfaces (by the VMAC mechanism) are:;
;24Oct2012 17:52:20.449826;[cpu_0];[fw_0];Interface: 1) eth4, vmac_index=0x42;
;24Oct2012 17:52:20.449826;[cpu_0];[fw_0];Interface: 2) eth2, vmac_index=0x40;
;24Oct2012 17:52:20.449827;[cpu_0];[fw_0];Interface: 3) eth3, vmac_index=0x41;
;24Oct2012 17:52:20.449830;[cpu_0];[fw_0];------------------------

;
;24Oct2012 17:52:20.449831;[cpu_0];[fw_0];================================================;
;24Oct2012 17:52:20.449831;[cpu_0];[fw_0];=====   ClusterXL   debug   end              ===;
;24Oct2012 17:52:20.449832;[cpu_0];[fw_0];================================================
;
;24Oct2012 17:52:20.449834;[cpu_0];[fw_1];================================================;
;24Oct2012 17:52:20.449835;[cpu_0];[fw_1];=====   ClusterXL   debug   information      ===;
;24Oct2012 17:52:20.449835;[cpu_0];[fw_1];================================================
;
;24Oct2012 17:52:20.449836;[cpu_0];[fw_1];------------------------

;
;24Oct2012 17:52:20.449837;[cpu_0];[fw_1];=====   Cluster instance information      ===;
;24Oct2012 17:52:20.449837;[cpu_0];[fw_1];------------------------

;
;24Oct2012 17:52:20.449838;[cpu_0];[fw_1];----   Selection table  ----
;
;24Oct2012 17:52:20.449839;[cpu_0];[fw_1];Effective selection table size: 2
;
;24Oct2012 17:52:20.449841;[cpu_0];[fw_1];------------------------

;
;24Oct2012 17:52:20.449841;[cpu_0];[fw_1];----  Multicast table ----
;
;24Oct2012 17:52:20.449844;[cpu_0];[fw_1];eth0:  Address:   172.30.41.221;
;24Oct2012 17:52:20.449846;[cpu_0];[fw_1];Cluster/default multicast IP:  172.30.0.250,  MAC address: 01:00:5E:1E:00:FA;
;24Oct2012 17:52:20.449848;[cpu_0];[fw_1];eth4:  Address:   40.40.40.221;
;24Oct2012 17:52:20.449849;[cpu_0];[fw_1];Cluster/default multicast IP:  40.40.40.224,  MAC address: 01:00:5E:28:28:E0;
;24Oct2012 17:52:20.449851;[cpu_0];[fw_1];eth2:  Address:   20.20.20.221;
;24Oct2012 17:52:20.449852;[cpu_0];[fw_1];Cluster/default multicast IP:  20.20.20.224,  MAC address: 01:00:5E:14:14:E0;
;24Oct2012 17:52:20.449854;[cpu_0];[fw_1];eth3:  Address:   30.30.30.221;
;24Oct2012 17:52:20.449855;[cpu_0];[fw_1];Cluster/default multicast IP:  30.30.30.224,  MAC address: 01:00:5E:1E:1E:E0;
;24Oct2012 17:52:20.449856;[cpu_0];[fw_1];eth1:  Address:   10.10.10.221;
;24Oct2012 17:52:20.449858;[cpu_0];[fw_1];Cluster/default multicast IP:  10.10.10.250,  MAC address: 01:00:5E:0A:0A:FA;
;24Oct2012 17:52:20.449860;[cpu_0];[fw_1];------------------------

;
;24Oct2012 17:52:20.449861;[cpu_0];[fw_1];---- Status subscribers ----
;
;24Oct2012 17:52:20.449862;[cpu_0];[fw_1];Subscriber: 0 pid 3307 sig 3 desc cprd PID 3307;
;24Oct2012 17:52:20.449863;[cpu_0];[fw_1];------------------------

;
;24Oct2012 17:52:20.449864;[cpu_0];[fw_1];=====   Cluster instance information end     ===;
;24Oct2012 17:52:20.449864;[cpu_0];[fw_1];------------------------

;
;24Oct2012 17:52:20.449865;[cpu_0];[fw_1];----  Sync ----
;
;24Oct2012 17:52:20.449867;[cpu_0];[fw_1];fwlddist_state is (1a): Receiving, Not Saving, Sending;
;24Oct2012 17:52:20.449867;[cpu_0];[fw_1];fwlddist_dobcast is: 1;
;24Oct2012 17:52:20.449868;[cpu_0];[fw_1];fw_has_nondefault_filter is: 1;
;24Oct2012 17:52:20.449869;[cpu_0];[fw_1];fw_syncn_is_configured is: 1;
;24Oct2012 17:52:20.449870;[cpu_0];[fw_1];fwlddist_policy_in_ready_state is: 1;
;24Oct2012 17:52:20.449870;[cpu_0];[fw_1];----   VMAC mode:   ----
;
;24Oct2012 17:52:20.449871;[cpu_0];[fw_1];VMAC: vmac mode is enabled;
;24Oct2012 17:52:20.449872;[cpu_0];[fw_1];VMAC: the vmac of each interface:;
;24Oct2012 17:52:20.449873;[cpu_0];[fw_1];Interface: 1) eth4, vmac: 00:1C:7F:00:42:28;
;24Oct2012 17:52:20.449875;[cpu_0];[fw_1];Interface: 2) eth2, vmac: 00:1C:7F:00:40:28;
;24Oct2012 17:52:20.449876;[cpu_0];[fw_1];Interface: 3) eth3, vmac: 00:1C:7F:00:41:28;
;24Oct2012 17:52:20.449877;[cpu_0];[fw_1];VMAC: priomisc mode interfaces (by the VMAC mechanism) are:;
;24Oct2012 17:52:20.449878;[cpu_0];[fw_1];Interface: 1) eth4, vmac_index=0x42;
;24Oct2012 17:52:20.449878;[cpu_0];[fw_1];Interface: 2) eth2, vmac_index=0x40;
;24Oct2012 17:52:20.449879;[cpu_0];[fw_1];Interface: 3) eth3, vmac_index=0x41;
;24Oct2012 17:52:20.449882;[cpu_0];[fw_1];------------------------

;
;24Oct2012 17:52:20.449882;[cpu_0];[fw_1];================================================;
;24Oct2012 17:52:20.449883;[cpu_0];[fw_1];=====   ClusterXL   debug   end              ===;
;24Oct2012 17:52:20.449884;[cpu_0];[fw_1];================================================

 


 

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