TP-Link Omada ER8411 VPN Router - Manual (Page 191)

User Guide 182
Configuring SSL VPN Authentication
Accounting
Port
Specify the UDP destination port on the RADIUS server for accounting requests.
The recommended port is 1813.
Pre-Shared
Key
Specify the password that will be used to validate the communication between the
router and the RADIUS authentication server.
Max. Request Specify the maximum number of requests sent when no response is received.
Request
Timeout
Specify the maximum interval for request timeout. After timeout, the request will be
sent again.
NAS IP Specify the IP address for the router to communicate with the RADIUS server.