IP address of the RADIUS server
    Note: The internal RADIUS server of the device does not support tunnel authentication. An external RADIUS server is required for this purpose.
- SNMP ID:
 - 2.2.22.21
 - Console path:
 - Setup > WAN > RADIUS
 - Possible values:
 Max. 64 characters from [A-Z][a-z][0-9].-:%