Configuration Guide NTP Configuration
Only when the global security authentication and key setting mechanisms are
completed, and the trusted key for communicating with server is set, can the
NTP client initiate the encrypted communication with the NTP server. To this
end, the NTP server should have the same trusted key configured.
Disabling the Interface to Receiving the NTP Message
The function of this command is to disable the interface to receive the NTP
message.
By default, the NTP messages received on any interface are available to the
NTP client for clock synchronization. This function can shield the NTP
messages received on the relevant interface.
This command takes effect only for the interface whose IP address
can be configured to receive and send packets.
To disable the interface to receive the NTP message, run the following
commands in the interface configuration model:
interface interface-type number
Enter the interface configuration mode.
Disable the function of receiving NTP
messages on the interface.
To enable the function of receiving NTP messages on the interface, use the
command no ntp disable in the interface configuration mode.
Enabling or Disabling NTP
The no ntp command is to disable the NTP synchronization service, stop the
time synchronization, and clear relevant information of NTP configuration.
The NTP function is disabled by default, but may be enabled as long as the NTP
server is configured.
To disable the NTP, run the following commands in the global configuration
mode:
Disable the NTP function.
ntp authenticate or
ntp server ip-addr [version
version][ source if-name number][key
keyid][prefer]
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