CLI commands to troubleshoot AP not joining Mobility Express Controller

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We encountered an issue with one of our Cisco 1850 Access Point, it was not joining Mobility Express Controller and throwing an error while you click on that specific AP on Mobility Express GUI under Wireless Settings.

ap-not-joining-controller

However show ap join stats summary all command tells that all APs have successfully joined the controller.

(Cisco Controller) >show ap join stats summary all

Number of APs.............................................. 3

Base Mac             AP EthernetMac       AP Name               IP Address         Status
18:8b:45:05:8b:60    18:8b:45:04:48:a0    AP188B.4504.48A0      192.168.50.203     Joined
18:8b:45:05:a8:c0    18:8b:45:04:4f:f8    AP188B.4504.4FF8      192.168.50.217     Joined
18:8b:45:0f:f0:00    18:8b:45:0e:61:d8    AP188B.450E.61D8      192.168.50.202     Joined

“show ap image all” command shows that I got different AP image and probably this could be causing trouble in interoperability.

(Cisco Controller) >show ap image all

AP Name                       Primary Image          Backup Image
------------------            --------------         -------------- 
AP188B.450E.61D8              8.3.102.0              8.2.111.0 
AP188B.4504.4FF8              8.3.102.0              8.2.111.0 
AP188B.4504.48A0              8.2.111.0              0.0.0.0

On further troubleshooting, I connected to this problematic AP via console and found out that it was running CAPWAP and no AP Image Type and Configuration are displayed in “show version” command. Read more information about Mobility Express here.

AP188B.4504.48A0>show version

AP Running Image : 8.3.102.0
Primary Boot Image : 8.3.102.0
Backup Boot Image : 8.2.130.0

After upgrading this AP from CAPWAP to Mobility Express version, our issue got resolved. Read more information about converting CAPWAP to Mobility Express here.

(Cisco Controller) >show ap join stats summary all

Number of APs.............................................. 3

Base Mac               AP EthernetMac        AP Name            IP Address         Status
18:8b:45:05:8b:60      18:8b:45:04:48:a0     AP188B.4504.48A0   192.168.50.203     Joined
18:8b:45:05:a8:c0      18:8b:45:04:4f:f8     AP188B.4504.4FF8   192.168.50.217     Joined
18:8b:45:0f:f0:00      18:8b:45:0e:61:d8     AP188B.450E.61D8   192.168.50.202     Joined

(Cisco Controller) >show ap image all

AP Name                       Primary Image          Backup Image
------------------            --------------         --------------
AP188B.450E.61D8              8.3.102.0              8.2.111.0
AP188B.4504.48A0              8.3.102.0              8.2.130.0
AP188B.4504.4FF8              8.3.102.0              8.2.111.0

 



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