<leafNode name="mode"> <properties> <help>Authentication mode used by this server</help> <valueHelp> <format>local</format> <description>Use local username/password configuration</description> </valueHelp> <valueHelp> <format>radius</format> <description>Use RADIUS server for user autentication</description> </valueHelp> <constraint> <regex>(local|radius)</regex> </constraint> <completionHelp> <list>local radius</list> </completionHelp> </properties> </leafNode>