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Posts: 20,553
Registered: ‎03-29-2007

COTD: How are my radius servers doing? - show aaa authentication-server radius stati

You have multiple radius servers in your environments, and you may be experiencing issues with users logging in correctly. As a quick check to see how your radius servers themselves are doing, use the "show aaa authentication-server radius statistics" command:

(Aruba-M3.arubanetworks.com) #show aaa authentication-server radius statistics
RADIUS Server Statistics
------------------------
Statistics Radius1 Radius-Server02 Radius-Server-03a Radius-Server04 Radsrv
---------- ------- -------------- ----------------- --------------- ------
Accounting Requests 0 0 0 0 0
Raw Requests 0 0 0 0 0
PAP Requests 0 0 0 0 0
CHAP Requests 0 0 0 0 0
MS-CHAP Requests 0 0 0 0 0
MS-CHAPv2 Requests 0 486 0 0 0
Mismatch Response 0 0 0 0 0
Bad Authenticator 0 0 0 0 0
Access-Accept 0 455 0 0 0
Access-Reject 0 31 23 0 0
Accounting-Response 0 0 0 0 0
Access-Challenge 0 0 0 0 0
Unknown Response code 0 0 0 0 0
Timeouts 0 0 0 20 0
AvgRespTime (ms) 0 8 0 0 0
Uptime (d:h:m) 7:16:42 7:16:42 7:16:42 7:16:42 7:16:42
SEQ first/last/free 1/255/255 232/231/255 1/255/255 1/255/255 1/255/255

Probably the most important fields are the "Access-Accept", "Access-Reject", "Timeouts", "AvgRespTime (ms)", and the "Uptime" field.
This command pretty much gives you a snapshot of what bad actors, if any, are in radius-land.


Colin Joseph
Aruba Customer Engineering

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