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Resilient 3300, MBG Cluster and Red Box Recorders

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danramirez

Programmer
Oct 25, 2009
1,136
ES
Hi Guys, I will copy the following ticket that I just opened with Mitel Tech Support, any suggestions?:

We have the following array of:

2 Mitel 3300s, 2 MBGs with SRC licenses and 2 Redbox Recorders.
Full redundancy/resiliency is required on Mitel products and recorders, that’s why we have two of everything.

MBG 7.1, MCD5.0

The two 3300s are clustered together and phones on PBX1 are all resilient on PBX2. Also, both MBGs are in Cluster configuration where MBG1 is Master and MBG2 is slave.

We have selected to use Direct Call Recording, where IP address of ICP and TFTP is MBG (values are given to phones by DHCP). There are only 8 phones in this scenario that are to be recorded.

When all 3300s, all MBGs and all Recorders are “alive” everything works as expected: Both Redboxes record all calls. Note that recording taps are all on Master MBG (MBG1).

Scenario1: If Master MBG is taken offline, phones make a sort of failover to the Slave MBG. Note PBX1 is still acting as Call Control. Both Redboxes open recording taps on Slave MBG and both Redboxes record successfully as expected.

Scenario2: If we take Master MBG offline and take PBX1 offline as well, Phones don’t register with available MBG/Controller. It looks like Slave MBG is not aware that it needs to follow/look at PBX2.

Scenario3: If Master MBG is taken offline, everything goes to Slave MBG as in Scenario1. However, if Master MBG is back online, SRC taps stay on Slave MBG and don’t return to Master MBG. If at this stage Slave MBG is taken offline, Redboxes confuse themselves and seem to be sharing taps among them. No recording are taken.

As a general comment, it seems that failback doesn’t occur successfully.

Questions:

1. From Scenario2, How do we make phones to failover to SlaveMBG/PBX2 successfully when Master MBG and PBX1 are out of the game?

2. From Scenario3, How do we make SRC taps to return to Master MBG when Master MBG is back online?

 
Do the non recorded phones fail over the the secondary controller in Senario 2?

I'd tell you a UDP joke but I'm afraid you won't get it. TCP jokes are the best because you always get them.
 
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