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1. Upgrade the SBC application either using LSWU or Platform Manager.
   
   

2. Stop the standby SBC application. On the SBC main screen, go 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
   0 Figure 1 Stop SBC Application Panel

    
   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.

   
   

3. On the standby server, execute the following command:
   
   To set bond monitoring type to 'network-connect' and leader election algorithm type to 'enhanced':
    

   Code Block
   language none
   > request system admin sbx2 setHaConfig bondMonitoring network-connect leaderElection enhanced

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

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

   
   

4. 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
   language none
   > request system admin sbx1 setHaConfig bondMonitoring network-connect leaderElection enhanced

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

   Code Block
   > request system admin sbx1 setHaConfig bondMonitoring direct-connect leaderElection currentValue

   
   
   

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

   Caption
   0 Figure 1 Start SBC Application Panel

   
   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:

> 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

1. 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
   0 Figure 1 Stop SBC Application Panel
   Image Added

   
   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. 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

    

3. On the active server, execute the following command:
   
    To set bond monitoring type to direct-connect and leader election algorithm type to standard:

   Code Block
   language none
   > request system admin sbx1 setHaConfig bondMonitoring direct-connect leaderElection standard

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

    

   Caption
   0 Figure 1 Start SBC Application Panel
   Image Added

   
   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 Mode

Accomplish the following step to verify GRHA mode:

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