H3C交换机设置时间NTP

<YFYX-1F-XXKJF-CORE-170.2>dis clock
17:09:16.306 beijing Tue 02/05/2013
Time Zone : beijing add 08:00:00
<YFYX-1F-XXKJF-CORE-170.2>sy
System View: return to User View with Ctrl+Z.
[YFYX-1F-XXKJF-CORE-170.2]clo
[YFYX-1F-XXKJF-CORE-170.2]clock ti
[YFYX-1F-XXKJF-CORE-170.2]clock timezone beijing a
[YFYX-1F-XXKJF-CORE-170.2]clock timezone beijing add 8
[YFYX-1F-XXKJF-CORE-170.2]clo
[YFYX-1F-XXKJF-CORE-170.2]clock pro
[YFYX-1F-XXKJF-CORE-170.2]clock protocol no
[YFYX-1F-XXKJF-CORE-170.2]clock protocol none
[YFYX-1F-XXKJF-CORE-170.2]qu
<YFYX-1F-XXKJF-CORE-170.2>clo
<YFYX-1F-XXKJF-CORE-170.2>clock da
<YFYX-1F-XXKJF-CORE-170.2>clock datetime 9:42:00 2025/2/25
<YFYX-1F-XXKJF-CORE-170.2>sy
System View: return to User View with Ctrl+Z.
[YFYX-1F-XXKJF-CORE-170.2]ntp
[YFYX-1F-XXKJF-CORE-170.2]ntp-service en
[YFYX-1F-XXKJF-CORE-170.2]ntp-service enable
[YFYX-1F-XXKJF-CORE-170.2]ntp
[YFYX-1F-XXKJF-CORE-170.2]ntp-service re
[YFYX-1F-XXKJF-CORE-170.2]ntp-service refclock-master
[YFYX-1F-XXKJF-CORE-170.2]sav
[YFYX-1F-XXKJF-CORE-170.2]save
The current configuration will be written to the device. Are you sure? [Y/N]:y
Please input the file name(*.cfg)[flash:/startup.cfg]
(To leave the existing filename unchanged, press the enter key):
flash:/startup.cfg exists, overwrite? [Y/N]:y
Validating file. Please wait...
Saved the current configuration to mainboard device successfully.
[YFYX-1F-XXKJF-CORE-170.2]