We have installed 20 mesh access points (x16=1522AG, 1131AG) controlled by 4402 Wireless LAN Controller (WLC) version 5.2. The network is currently up and running. The problem is that some access points disappear from the controller and then reappear. I captured some message logs in the WLC shown below:
5 Fri Feb 19 11:55:53 2010 Mesh child node '00:26:0a:39:65:0f' is no longer associated with mesh node '00:26:0a:38:6e:00'.
6 Fri Feb 19 11:55:46 2010 Interference Profile Updated to Pass for Base Radio MAC: 00:26:0a:38:5b:00 and slotNo: 0
7 Fri Feb 19 11:55:29 2010 AP Disassociated. Base Radio MAC:00:26:0a:39:65:00
8 Fri Feb 19 11:55:29 2010 AP's Interface:1(802.11a) Operation State Down: Base Radio MAC:00:26:0a:39:65:00 Cause=Heartbeat Timeout
9 Fri Feb 19 11:55:29 2010 AP's Interface:0(802.11b) Operation State Down: Base Radio MAC:00:26:0a:39:65:00 Cause=Heartbeat Timeout
The Mesh access point above is a MeshAccess Point (MAP).
Someone pliz explain the logs or the intermittent disappearance of the Access Points.
The Cisco Wireless LAN Controller Configuration Guide, Release 5.2 states the following:
Controller software release 5.2 supports these Cisco Aironet mesh access points: • Cisco Aironet 1520 series outdoor mesh access points – Cisco 1520 Series consists of the 1522 dual-radio mesh access point and the 1524 multi-radio
mesh access point.
• Cisco Aironet 1130AG and 1240AG series indoor mesh access points
The setup is already working and users are able to connect to the internet etc. Only that some mesh access points keep disappearing...but not for long periods of time.
Ok ... that's a good clue. I've seen this error messages before when I was using 5.X firmware. My AP's radio would periodically drop out/in and I didn't know what was going on. By chance I upgraded the firmware to 220.127.116.11 and I never saw the errors again. May I recommend you upgrade to 18.104.22.168 or later and verify?
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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