I have a 5508 configured as HA SKU to support a failover up to 500AP's. My question is around configuring the primary controllers to failover to the HA controller as a backup. I had planned on configuring this under the AP configuration pointing to the HA controller as the secondary controller for each AP.
I also see the command that you can issue the following command from the primary controller- config advanced backup-controller primary backup_controller_name backup_controller_IP_address
How is this different than specifying the HA controller as the secondary controller under the AP configuration?
This is not AP SSO. It's N+1. I just wanted to know if there was a difference between configuring the HA backup controller as secondary under the AP config versus configuring the global backup controller command
Basically if you don't define the high availability on the AP, then it's best practice to define it globally on the WLC. It's best practice to define it in the AP especially if you have more than one WLC.
Transferring Crash file from standby: Login to the Active WLC in HA.
From CLI: (Cisco Controller) >transfer upload datatype crash (Cisco
Controller) >transfer upload filename (Cisco
Controller) >transfer upload mode tftp (Cisco Controller) >transfer
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