I have simultaneously changed IP and VLAN on my AP. The problems are : the AP is at 30 meters from the floor (I can't do the hard reset) and the AP do not respond at the new address / VLAN or the old one.
I have tried to connect it with a Zone Director 1100 without success.
I've tried the solution without success. I've also tried to scan IP: no responses in any vlan.
The WLAN works, I can connect me on the AP, but the AP doesn't respond in wireless either (no IP address).
You should be able to get at it from the switchport - make sure and try all possible tags (maybe a typo as you were working on the AP?) - and check that ARP/MAC/forwarding table on that switch port and see if it's getting anything. The AP may have reverted to it's default IP when it lost it's connection to the ZD.
IP/VLAN changes on inaccessible AP's should always be staged first to avoid just this sort of issue. I've requested we add some sort of failsafe recovery mechanism (ala Juniper's "commit confirm") but we don't have one today.
I have another AP on which I created the same default and I try to recover it (this AP is accessible).
Yesterday I saw that the AP responded to the new address but not correctly (I saw the reply on a Mikrotik router and on WireShark, but no reply on my windows' ping command)