Disabling the NTP Service

To prevent a device from synchronizing the clock with IPv4 or IPv6 external servers or peers, or it not required to provide the reference clock source for IPv4 or IPv6 external clients, you can disable NTP IPv4 or IPv6 service.

Procedure

Access the system view.
```
system-view
```
Disable the NTP service or the NTP server function on the FW.
- ```
ntp-service [ ipv6 ] disable
```
  By default, NTP service is enabled.
- ```
ntp-service [ ipv6 ]  server disable
```
  By default, the NTP server function is disabled.