Version 7.2 825 Mediant 800B Gateway & E-SBC
User's Manual 45. High Availability Maintenance
45 High Availability Maintenance
This section describes various maintenance procedures when the device operates in the
High Availability mode.
45.1 Initiating an HA Switchover
You can initiate a switchover from the Active to Redundant device.
Note:
When performing an HA switchover, the HA mode becomes temporarily
unavailable.
 To perform a switch-over:
1. Open the High Availability Maintenance page:
• Toolbar: Click the Actions button, and then from the drop-down menu, choose
Switchover.
• Navigation tree: Setup menu > Administration tab > Maintenance folder > High
Availability Maintenance.
Figure 45-1: Performing a Device HA Switchover
2. Click Switch Over; a confirmation box appears requesting you to confirm.
3. Click OK.
45.2 Resetting the Redundant Unit
You can reset the Redundant device, if necessary.
Note: When resetting the Redundant device, the HA mode becomes temporarily
unavailable.
 To reset the Redundant device:
1. Open the High Availability Maintenance page:
• Toolbar: Click the Actions button, and then from the drop-down menu, choose
Switchover.