Why cannot I modify the RADIUS server template on an S series switch

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For S series switches (except S1700 switches):
�?In the versions earlier than V200R005, users cannot modify their own RADIUS server template online.
When users go online using a RADIUS server template, the RADIUS server template cannot be modified.
Before modifying the RADIUS server template, wait until all users on the RADIUS server go offline or run the cut access-user command in the AAA view to disconnect the users.
�?In V200R005 and later versions, users can modify the RADIUS server template online. However, the modification may not take effect on the online users or online users may be forced to go offline.

Other related questions:
Why the RADIUS server template cannot be modified
In the versions earlier than V200R005, the administrator cannot modify the RADIUS server templates of online users. When users go online using a RADIUS server template, the RADIUS server template cannot be modified. Before modifying the RADIUS server template, wait until all users on the RADIUS server go offline or run the cut access-user command in the AAA view to disconnect the users. In V200R005 and later versions, the administrator can modify the RADIUS server templates of online users. However, the modification may not take effect on the online users or force the users to go offline.

S series switch with 802.1x configured cannot connect to the RADIUS server
For S series switches except S1700 switches, to configure 802.1x authentication, run the dot1x enable command to enable 802.1x authentication globally and on an interface. In addition, ensure that the switch and the RADIUS server can communicate at Layer 3.

Why does RADIUS authentication fail when the RADIUS server template and RADIUS server are properly configured
This problem has the following possible causes: -The IP address of the router (a RADIUS client) is not configured on the RADIUS server, so the RADIUS server cannot send an authentication response packet to the router. -Different shared keys are configured on the router and the RADIUS server.

Why does authentication fail when the RADIUS server template is correct and the AAA authentication mode is RADIUS
The possible causes are as follows: 1. The client's IP address is not configured on the server, the IP address is configured incorrectly, and the RADIUS server does not respond to authentication packets. 2. The shared keys on the AR and RADIUS server are different. 3. The user configuration of the RADIUS server is incorrect.

Do S series switches support RADIUS server functions
S series switches can only function as RADIUS clients but not RADIUS servers.

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