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Timeout for authentication server on port mgmt.

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TitleTimeout for authentication server on port mgmt.
Question
Why are the logs showing "Timeout for authentication server on port mgmt." when the Radius server is configured for VR-Default?
 
Primary Switch Management RADIUS server: Status is Active
    host name     :
    IP address    :  10.67.65.100
    Server IP Port:  1812
    Client address:  10.67.72.91 (VR-Default)
    Retries       :  3 *
    Timeout       :  3 *
    shared secret :  #$rndBOEpkr/ZrwP7IPm0H4ua2oRSVYg==
Access Requests   :  4          Access Accepts    :  0
Access Rejects    :  0          Access Challenges :  0
Access Retransmits:  3          Client timeouts   :  4
Bad authenticators:  0          Unknown types     :  0
Round Trip Time   :  0
 
06/25/2020 12:02:35.19 <Warn:AAA.RADIUS.noServerResp> Attempted the configured number of retries (3) to each of the 1 authentication servers without a server response for (username 'admin') on port mgmt.

 
Environment
EXOS
Answer
In the "show radius" output the client timeouts column confirms that EXOS is sending packets to the server configured.  The reason the logs show "port mgmt" is referencing management access to the switch.  It is not referencing the VR that is configured

Check the radius server configuration and confirm all the required parameters are configured in server. Also, you can capture the packet in radius server and confirm if access request packet from switch is reaching the server.

The same log message is returned when VR-Mgmt is configured:
 
Primary Switch Management RADIUS server: Status is Active
    host name     :
    IP address    :  10.67.65.100
    Server IP Port:  1812
    Client address:  10.67.72.50 (VR-Mgmt)
    Retries       :  3 *
    Timeout       :  3 *
    shared secret :  #$9csUx8+/1Au/AATyK9lX3EKUM8u86g==
Access Requests   :  4          Access Accepts    :  0
Access Rejects    :  0          Access Challenges :  0
Access Retransmits:  3          Client timeouts   :  4
Bad authenticators:  0          Unknown types     :  0
Round Trip Time   :  0
06/25/2020 13:04:21.00 <Warn:AAA.RADIUS.noServerResp> Attempted the configured number of retries (3) to each of the 1 authentication servers without a server response for (username 'admin') on port mgmt.

 
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