Configure Aruba Controller Redundancy (VRRP)

The underlying mechanism for the Aruba redundancy solution is the Virtual Router Redundancy Protocol (VRRP)
-If VRRP preemption is disabled (the default setting) and all controllers share the same priority, the first controller that comes up becomes the master.
OR
-If VRRP preemption is enabled and all controllers share the same priority, the controller with the highest IP address becomes the master.

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Aruba controller upgrade procedure

WIFI controller Upgrade Procedure:
1. take image backup:  (ny-wifi-master2) # backup flash
2. take logs backup:   (ny-wifi-master2) # tar logs tech-support
3. copy backup flash to ftp: (ny-wifi-master2) #copy flash: flashbackup.tar.gz ftp: [server_ip] rrm *********
4. download image from ftp:

(ny-wifi-master2) #copy ftp: [server_ip] rrm ArubaOS_MMC_6.3.1.6_43301 system: partition 1
Password:*********
Copying file:....................................................
File copied successfully.
Saving file to flash:
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
The system will boot from partition 1 during the next reboot.
(ny-wifi-master2) # reload
Do you really want to restart the system(y/n): y
System will now restart!
Shutdown processing started
Syncing data....done.
Sending SIGKILL to all processes.
Please stand by while rebooting the system.
1:<7>ide-disk 0.0: shutdown
1:<0>Restarting system.
1:.
1:<2>Performing hard reset...

 

To check what software is installed, run:

#show image version
----------------------------------
Partition           : 0:0 (/dev/hda1)
Software Version    : ArubaOS 6.1.3.6 (Digitally Signed - Production Build)
Build number        : 36470
Label               : 36470
Built on            : Tue Dec 11 12:51:05 PST 2012
----------------------------------
Partition           : 0:1 (/dev/hda2) **Default boot**
Software Version    : ArubaOS 6.3.1.3 (Digitally Signed - Production Build)
Build number        : 42233
Label               : 42233
Built on            : Tue Feb 11 11:58:33 PST 2014