Set Up High Availability Mode

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Set Up High Availability Mode

Use the following procedure to configure High Availability (HA) on a primary and secondary Oracle® Enterprise Session Border Controller (E-SBC).

Confirm that you own an HA license.

In the following procedure, enter y to discard any changes and quit the installation wizard. The root prompt displays.

A “Warning” displays stating that using the wizard can overwrite (erase) the existing running configuration. If you want to back out of the setup process and not overwrite the current running configuration, you can enter q or enter No at the Erase config and proceed prompt. The root prompt displays.

Note:

For HA environments, running setup on the secondary system is also required to set the wancom0 address and secondary targetname. The targetname must match the same secondary targetname specified on the primary system.

To configure the primary High Availability (HA):

In Superuser mode, type run setup , and press Enter.
```
ORACLE# run setup
```
Type yes to continue the setup process, and press Enter.

Type either yes or no to enable or disable the Web GUI, and press Enter.

Enable Web GUI (yes/no) [yes] 	:yes

The system displays the following:

=========================================================
WEB GUI MODE
Choose which mode to enable for the web GUI
  Web GUI Mode
     1 - basic
     2 - expert
    Enter choice [1 - basic] 	:
=========================================================

Type 1 to enable Basic Mode and Expert Mode, or type 2 to enable Expert Mode, only. Press Enter.
If you enable both Basic and Expert Modes (selection 1), after logging into the Web GUI, the Basic Mode screen displays by default. You can switch to Expert Mode if you do not make any changes in Basic Mode, using the Switch to Expert button. If you enable Expert Mode only (selection 2), no button displays to switch to Basic Mode.

The system displays the following:
```
=========================================================
HIGH AVAILABILITY
This SBC may be a standalone or part of a highly available redundant pair.
  SBC mode
     1 - standalone
     2 - high availability
    Enter choice [1 - standalone] 	:
=========================================================
```

Type 2 to configure an HA device, and press Enter.

Enter choice [1 - standalone] 	:2

The system displays the following:

=========================================================
If this SBC is the primary, enter the configuration. If it is the secondary, you can import settings from the primary.
SBC role
	1. primary
	2. secondary
Enter choice [1-primary]		:
=========================================================

Enter 2, and press Enter.

Enter choice [1-primary]		:2

The system displays the following:

=========================================================
SBC SETTINGS
Unique target name of this SBC [<NN-ESD name>] 	:
=========================================================

Type a unique target name for the NN-ESD (or keep the default in [ ]), , and press Enter.
```
Unique target name of this SBC [NNESD1] 	:NNESD2
```
The system displays the following:
```
=========================================================
SBC SETTINGS
IP address on management interface [<SBC IP address>] :
=========================================================
```
Note:
The Installation Wizard provides default IP addresses for the HA primary and secondary peers (Redundancy interface address and Peer IP address ). These default addresses are link-local addresses as specified in RFC 3927, Dynamic Configuration of IPv4 Link-local addresses.
Type the IP address on the management interface of the secondary Web Server (or keep the default in [ ]), , and press Enter.
```
IP address on management interface [<SBC IP address>] 	: 164.30.85.52
```
The system displays the following:
```
Subnet mask [255.255.0.0] :
=========================================================
```

Type the subnet mask of the secondary Web Server (or keep the default in [ ]), , and press Enter.

Subnet mask [255.255.0.0] 	: 255.255.0.0

The system displays the following:

=========================================================
Gateway IP address [164.30.0.1] 	:
=========================================================

Type the gateway IP address of the secondary Web Server (or keep the default in [ ]), and press Enter.

Gateway IP address [<SBC gateay address>] 	: 164.30.0.1

The system displays the following:

=========================================================
AUTOMATIC CONFIGURATION
Acquire config from the Primary (yes/no) [yes]	:
=========================================================

Type y for the secondary Web Server to acquire the configuration from the primary Web Server during switchover, and press Enter.

Acquire config from the Primary (yes/no) [yes]	y

The system displays the following:

=========================================================
-- Summary view -------------------------------------
GUI ACCESS
  1: Enable Web GUI (yes/no) 	: yes
WEB GUI MODE
 2 : Web GUI Mode 	: basic
HIGH AVAILABILITY
 3 : SBC mode 	: high availability
 4 : SBC role 	: secondary
SBC SETTINGS
 7 : Unique target name of this SBC 	: NNESD2
 8 : IP address on management interface 	: 164.30.85.52
 9 : Subnet mask 	: 255.255.0.0
 10: Gateway IP address 	: 164.30.0.1
AUTOMATIC CONFIGURATION
 11: Acquire config from the Primary (yes/no) 	: yes
PEER CONFIGURATION
 13: Peer target name 	: N/A
Enter 1 - 16 to modify, 'd' to display summary, 's' to save, 'q' to exit. [s]:
=========================================================

Types to save the configuration, and press Enter. Or, Select an item number from the summary view to modify the value for that item. Or, type q to exit the installation wizard.

Enter 1 - 16 to modify, 'd' to display summary, 's' to save, 'q' to exit. [s]	:s

The system displays the following:

=========================================================
Saving changes and quitting wizard. Are you sure?  [y/n]?	:
=========================================================

Type y to verify you want to save the configuration, and press Enter.

he system displays the following:

=========================================================
Running configuration is backed up as 'bkup_setup_wizard_Mar__7_13_58_26_545.gz'
******************************************************
Deleting configuration
Erase-Cache received, processing.
waiting 1200 for request to finish
Request to 'ERASE-CACHE' has Finished,
Erase-Cache: Completed
Request to 'RESTORE-CONFIG' has Finished,
Restore Backup Completed Successfully
checking configuration
Save-Config received, processing.
waiting for request to finish
Request to 'SAVE-CONFIG' has Finished,
Save complete
Currently active and saved configurations do not match!
To sync & activate, run 'activate-config' or 'reboot activate'.
---------------------------------------------------------------------
Verification successful! No errors nor warnings in the configuration
Activate-Config received, processing.
waiting for request to finish
Request to 'ACTIVATE-CONFIG' has Finished,
Activate Complete
-- Saved configuration. ----------------------------
GUI ACCESS
	1: Enable Web GUI (yes/no) 	: yes
WEB GUI MODE
 2 : Web GUI Mode 	: basic
HIGH AVAILABILITY
 3 : SBC mode 	: high availability
 4 : SBC role 	: secondary
SBC SETTINGS
 7 : Unique target name of this SBC 	: NNESD2
 8 : IP address on management interface 	: 164.30.85.52
 9 : Subnet mask 	: 255.255.0.0
 10: Gateway IP address 	: 164.30.0.1
AUTOMATIC CONFIGURATION
 11: Acquire config from the Primary (yes/no) 	: yes
PEER CONFIGURATION
 13: Peer target name 	: N/A
You may access the GUI via http://164.30.85.52:80/ after reboot.
=========================================================

You have completed the Installation Wizard.

Run the Installation Wizard on the secondary peer of the HA pair.