Recently, we upgraded our 5508 wireless controllers from 7.4.110.0 to 7.6.120.0.
One AP (AIR-LAP1142N-E-K9) doesn't work now.
Both radios are stuck in state 'reset':
AP#sh int dot11Radio 0 | inc Dot11Radio0
Dot11Radio0 is reset, line protocol is down
It seems to be a PoE issue:
AP#sh controllers dot11Radio 0
Radio disabled due to PoE
[...]
This 1142N is connected to a HP switch (model 3800 with 802.3af/802.3at support). It did work on this switch several months before this upgrade and it works if connected to Cisco switch (Cat 6513).
We didn't upgrade the switch firmware or change its configuration.
The PoE status from the switch CLI:
PoE | Power Power Alloc Alloc Actual Config Detection Power Pre-std
Port | Enable Priority By Power Power Type Status Class Detect
------ + ------ -------- ----- ----- ------ -------- ----------- ----- ------
21 | Yes low lldp 33 W 7.8 W Delivering 3 off
Other APs (80 3602 connected to HP8212zl switches) do work without any problem.
Any idea how to solve this?
