D-Link xStack DGS-3610 Series

DGS-3610 Series Configuration Guide Chapter 23 NTP Configuration
23-7
that on the NTP server, set this NTP server on the network as the synchronization server,
and begin to synchronize the time.
DGS-3610(config)# no ntp
DGS-3610(config)# ntp authentication-key 6 md5 wooooop
DGS-3610(config)# ntp authenticate
DGS-3610(config)# ntp trusted-key 6
DGS-3610(config)# ntp server 192.168.210.222 key 6
DGS-3610(config)# ntp synchronize
DGS-3610(config)# interface gigabitEthernet 0/1
DGS-3610(config-if)# ntp disable
DGS-3610(config-if)# no ntp disable