Specify how the RADIUS server determines the realm of a RADIUS request.
- SNMP ID:
 - 2.25.10.17
 - Console path:
 - Setup > RADIUS > Server
 - Possible values:
 - Mail domain
 - user@company.com: company.com is the realm and is separated from the name of the user by an @ character.
 - MS domain
 - company\user: company is the realm and is separated from the name of the user by a backslash ("\"). This form of authentication is used for a Windows login, for example.
 - MS-CompAuth
 - host/user.company.com: If the user name starts with the string host/ and the rest of the name contains at least one dot/period, the device considers everything after the first dot to be the realm (in this case company.com).
 
- Default:
 - Mail domain
 
- MS domain