To enable authentication of all time sources, use the ntp authenticate command. Time sources without the NTP authentication keys will not be synchronized.
To disable this capability, use the no form of this command.
Use the ntp authenticate command to enable authentication of all time sources. This command is optional and authentication will work even without this command.
If you want to authenticate in a mixed mode where only some servers require authentication, that is, only some servers need to have keys configured for authentication, then this command should not be executed.
authenticate Authenticate time sources
authentication-key Authentication key for trusted time sources
server Specify NTP server to use
trusted-key Key numbers for trusted time sources
/admin(config)# ntp authenticate
Allows synchronization of the software clock by the NTP server for the system. |
|
Specifies key numbers for trusted time sources that needs to be defined as NTP authentication keys. |
|