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Some AP's failing Radius test with: The connection attempt to the server timed out. Others: RADIUS server is reachable. Get attributes from RADIUS server: None. What would cause a handful to fail? What do I need to do to see why?

Some AP's failing Radius test with: The connection attempt to the server timed out. Others: RADIUS server is reachable. Get attributes from RADIUS server: None. What would cause a handful to fail? What do I need to do to see why?

mmueller1
New Contributor
Some AP's failing Radius test with: The connection attempt to the server timed out. Others: RADIUS server is reachable. Get attributes from RADIUS server: None. What would cause a handful to fail? What do I need to do to see why?
1 ACCEPTED SOLUTION

AnonymousM
Valued Contributor II
I'm assuming you are running Microsoft NPS as your RADIUS server, you should check the event viewer on the server running NPS. You can find the NPS logs under custom reports, security, and NPS. This will tell you two things... 1. Is NPS hearing communication from the AP? if not, you need to make sure the AP is a RADIUS Client in NPS. 2. you'll get a reason code from the NPS log that will point us to the problem. I'm also assuming your AH config is correct because it's working on some AP's.

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5 REPLIES 5

AnonymousM
Valued Contributor II

The error message is indicating a communication problem. Using SSH or console access from the AP's that are having issues, can you ping the RADIUS server? Also do the devices have a configuration audit? You may need to push a complete upload to the AP's. The last thing to check would be any major changes to the network at layer 3 or the firewall.

GTM-P2G8KFN