AIR-LAP1252AG-A-K9 Power Loss

Unanswered Question
Feb 9th, 2009

WLC 4404 5.2.157

WCS

I have been watching the event logs and I have an AP or two that seem to be restarting alot. When they do the log on the WLC states that the reason for last restart was "power loss". I swapped the AP with another power injector and the problem didnt follow. Would this be a hardware issue at this point? It happens every 3-5 hours....

Attached log (hopefully cut and pasted):

16 Mon Feb 9 07:49:25 2009 AP's Interface:0(802.11b) Operation State Up: Base Radio

MAC:00:22:90:a1:a9:c0 Cause=Admin Configured

17 Mon Feb 9 07:49:25 2009 AP's Interface:0(802.11b) Operation State Down: Base Radio

MAC:00:22:90:a1:a9:c0 Cause=Admin Configured

18 Mon Feb 9 07:49:25 2009 AP's Interface:1(802.11a) Operation State Up: Base Radio

MAC:00:22:90:a1:a9:c0 Cause=Admin Configured

19 Mon Feb 9 07:49:25 2009 AP's Interface:1(802.11a) Operation State Down: Base Radio

MAC:00:22:90:a1:a9:c0 Cause=Admin Configured

20 Mon Feb 9 07:49:25 2009 AP's Interface:0(802.11b) Operation State Up: Base Radio

MAC:00:22:90:a1:a9:c0 Cause=Admin Configured

21 Mon Feb 9 07:49:25 2009 AP's Interface:1(802.11a) Operation State Up: Base Radio

MAC:00:22:90:a1:a9:c0 Cause=Admin Configured

22 Mon Feb 9 07:49:25 2009 AP's Interface:0(802.11b) Operation State Down: Base Radio

MAC:00:22:90:a1:a9:c0 Cause=Admin Configured

23 Mon Feb 9 07:49:25 2009 AP 'HS_AP_407', MAC: 00:22:90:a1:a9:c0 disassociated previously

due to AP Reset. Last reboot reason: power loss

24 Mon Feb 9 07:49:25 2009 WIPS Alert: Reason "NoProfile" detected on AP MAC:

00:22:90:a1:a9:c0, AP Name: HS_AP_407

I have this problem too.
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Leo Laohoo Mon, 02/09/2009 - 14:15

"I swapped the AP with another power injector and the problem didnt follow."

Sounds like the power injector could be faulty.

preilly78 Tue, 02/10/2009 - 06:47

Well I thought that but I have random APs that do it now to. I can expect about 4-5 Access points to drop during the day. If they are close enough to each other it will cause an outage. I submitted a TAC request for help see if I can get it resolved.

gilbertojr Sun, 03/15/2009 - 17:42

Hi Guys,

Did anyone get the solution to this problem?

I'm with the same problem. I've changed the power from power injector to switch POE and check the comsuption on switch and the problem persist.

9 Sat Mar 14 02:17:06 2009 AP's Interface:0(802.11b) Operation State Up: Base Radio MAC:00:1d:a1:75:92:50 Cause=Admin Configured

10 Sat Mar 14 02:17:06 2009 AP's Interface:0(802.11b) Operation State Down: Base Radio MAC:00:1d:a1:75:92:50 Cause=Admin Configured

I have one WLC working fine on HQ site and I have this problem with remote APs working with H-REAP.

Leo Laohoo Sun, 03/15/2009 - 18:33

Hi Gilbert,

If your AP is on a power injector, go to All APs > Details for AP -> Advanced Tab -> Power Over Ethernet Settings and enable Power Injector State and click Apply.

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