HP MSR1003-8S Command Reference Manual page 127

If you do not include the vpn-instance vpn-instance-name option in the command, the command removes
the NTP server with the IP address of ip-address in the public network.
Examples
# Specify NTP server 10.1.1.1 for the device, and configure the device to run NTP version 4.
<Sysname> system-view
[Sysname] ntp-service unicast-server 10.1.1.1 version 4
Related commands
• ntp-service authentication enable
ntp-service authentication-keyid
•
ntp-service reliable authentication-keyid
•
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