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High Availability (HA)
Feature Description
6. Remove old unit 2 (B) from production.
7. In the WUI of new unit 2 (D), in the main menu, go to System Configuration > System
Administration > Backup/Restore.
8. Click Choose File.
9. Browse to and select the backup file.
10. Select the configuration(s) that need to be restored.
11. Click Restore Configuration.
It is not possible to restore a configuration containing ESP-enabled Virtual
12. Click Reboot Now.
13. Click Continue.
14. In the main menu, go to Local Administration > Interfaces.
15. Select the relevant interface.
16. Check that the Interface Address (address[/prefix]), the HA Shared IP address and HA
Partner IP address are correct before adding it to the production unit.
17. In the main menu, go to Local Administration > HA Parameters.
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As old unit 1 (A) is master, this should not affect production.
Figure 10-3: Restore Configuration
This is the backup from old unit 2 (B).
It is not possible to restore a single machine configuration onto a HA
machine and vice versa.
Services onto a machine which is not enabled for ESP.
Figure 10-4: Network Interface
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