83Syntaxntp-service reliable authentication-keyid keyidundo ntp-service reliable authentication-keyid keyidDefaultNo authentication key is configured to be trusted.ViewsSystem viewDefault command level3: Manage levelParameterskeyid: Specifies an authentication key number in the range of 1 to 4294967295.Examples# Enable NTP authentication, specify to use MD5 encryption algorithm, with the key ID of 37 and keyvalue of BetterKey. system-view[Sysname] ntp-service authentication enable[Sysname] ntp-service authentication-keyid 37 authentication-mode md5 BetterKey# Specify this key as a trusted key.[Sysname] ntp-service reliable authentication-keyid 37ntp-service source-interfaceUse ntp-service source-interface to specify the source interface for NTP messages.Use undo ntp-service source-interface to restore the default.Syntaxntp-service source-interface interface-type interface-numberundo ntp-service source-interfaceDefaultNo source interface is specified for NTP messages, and the system uses the IP address of the interfacedetermined by the matched route as the source IP address of NTP messages.ViewsSystem viewDefault command level3: Manage levelParametersinterface-type interface-number: Specifies an interface by its type and number.Usage guidelinesIf you do not want the IP address of a certain interface on the local device to become the destinationaddress of response messages, use this command to specify the source interface for NTP messages sothat the source IP address in NTP messages is the primary IP address of this interface.
