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In this section:

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Switching to GRHA Mode

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Info
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Note

This feature is not configurable during software installation nor is it changeable during an upgrade. 

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Accomplish the following steps to switch to GRHA mode:

  1. Upgrade the SBC application either using LSWU or Platform Manager.
    Stop the standby SBC application. On the SBC main screen, navigate to Administration > System Administration > Platform Management. The Platform and SBC Application Controls window is displayed. To stop the application, click Stop SBC Application in the status panel.
    Caption
    0Figure
    1Stop SBC Application Panel

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    For details, refer to the section System Administration - Platform Management.
    Note

    The services on standby SBC server must be stopped before switching to GRHA mode since the switch to GRHA mode causes a temporary HA link outage. The script will verify the state of the servers and make the necessary changes.


  2. From the CLI command prompt, perform one of the steps below, depending on your configuration. For example, in SBC Core, set bond monitoring type to network-connect and leader election algorithm type to enhanced:

    Code Block

    On the standby server, execute the following command:

    Note

    Bond monitoring is only applicable to SBC 5000/7000 series platforms.

    To set bond monitoring type to network-connect and leader election algorithm type to enhanced:
     
    Code Block
    languagenone
    > request system admin sbx2 setHaConfig bondMonitoring network-connect leaderElection enhanced  

    To set bond monitoring type to direct-connect and retain currentValue setting of leader election algorithm:

    Code Block
    > request system admin sbx2 setHaConfig bondMonitoring direct-connect leaderElection currentValue

    On the active server, execute the following command:

     To set bond monitoring type to network-connect and leader election algorithm type to enhanced:
    Code Block
    languagenone
    > request system admin sbx1 setHaConfig bondMonitoring network-connect leaderElection enhanced  

    To set bond monitoring type to direct-connect and retain currentValue setting of leader election algorithm:

    Code Block
    > request system admin sbx1 setHaConfig bondMonitoring direct-connect leaderElection currentValue
    Start the standby server. Log on to SBC application in EMA Platform Mode. Caption
    0Figure
    1Start SBC Application Panel
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    For details, refer to the section System Administration - Platform Management.
    Note

    The standby server comes up and reconnects as standby with the GRHA mode enabled on both the machines.

Verifying GRHA Mode

Accomplish the following step to verify GRHA mode:

Code Block
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> show table system haConfig 
                        LEADER     BOND 
SERVER NAME             ELECTION   MONITORING 
--------------------------------------------------
sbx1.eng.sonusnet.com   enhanced   network-connect
sbx2.eng.sonusnet.com   enhanced   network-connect

Switching Out of the GRHA Mode

Accomplish the following steps to switch out of the GRHA mode:

Stop the standby SBC application. On the SBC main screen, navigate to Administration > System Administration > Platform Management. The Platform and SBC Application Controls window is displayed.

To

stop the application, click Stop SBC Application in the status panel.
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0Figure
1Stop SBC Application Panel

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For details, refer to the section System Administration - Platform Management.
Note

The services on standby SBC server must be stopped before switching out of the GRHA mode since the switch out of the GRHA mode causes a temporary HA link outage. The script will verify the state of the servers and make the necessary changes.

On the standby server, execute the following command:
To

set bond monitoring type to direct-connect and leader election algorithm type to standard

:
Code Block
> request system admin sbx2 setHaConfig bondMonitoring direct-connect leaderElection standard

 

On the active server, execute

, enter the following command:

 To set bond monitoring type to direct-connect and leader election algorithm type to standard:
Code Block
languagenone
> request system admin sbx1 setHaConfig bondMonitoring direct-connect leaderElection standard

Start the standby server. Log on to SBC application in EMA Platform Mode.

 
Caption
0Figure
1Start SBC Application Panel

Image Removed

For details, refer to the section System Administration - Platform Management.
Note

The standby server comes up and reconnects as standby without the GRHA mode enabled on both the machines.

 Verifying GRHA

 Verifying non-GRHA Mode

Accomplish the following step to verify non-GRHA mode:

Code Block
languagenone
> show table system haConfig 
                        LEADER     BOND 
SERVER NAME             ELECTION   MONITORING 
--------------------------------------------------
sbx1.eng.sonusnet.com   standard   direct-connect
sbx2.eng.sonusnet.com   standard   direct-connect

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