Smart Redundancy Initial Setup
Hi guys. I was setting up our customer's two ZD5000 in Smart Redundancy. However, I encountered a problem wherein when the standby ZD (IP and SR are the only thing configured) went online, the APs which already got all the WLAN configuration from the Active ZD, failover to the standby ZD which has not yet synchronized with the previous Active ZD, therefore, the APs lost all the WLAN configuration. Mesh APs got isolated (this was a pain to restore!). Not only that but the standby ZD (now the active) synchronized its empty WLAN configuration to our original Active ZD. Good thing I made a backup of the previous active ZD's configuration so I was able to restore everything.
My question now is where did I go wrong in setting up Smart Redundancy? I remember disabling Automatic Approval of APs on the standby ZD before I connected it to the network. This is the second time that has happened to me so I'm thinking my procedure is wrong. I hate to get this happen again in my future deployments especially on existing setups where customer just want to add another ZD for redundancy.