Cisco AP + POE + CDP = Possible Problems (by Tony Fortunato)

I ran into a problem when I connected my Cisco 1240 to my Cisco 2940 and got an injector error.  

I did a bit of research and found out that this error is common and a bit misleading.  The error seems to be a result of when the AP receives a CDP packet from the switch and misinterpets the CDP information.

In this video I review what I saw and how I resolved it.

 

 

 

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