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Usage guidelines
When you specify a passive peer for the device, the device and its passive peer can be synchronized
to each other. If their clocks are in synchronized state, the clock with a high stratum level is
synchronized to the clock with a lower stratum level.
To synchronize the PE to a PE or CE in a VPN, provide vpn-instance vpn-instance-name in your
command.
If you include vpn-instance vpn-instance-name in the undo ntp-service unicast-peercommand,
the command removes the symmetric-passive peer with the IP address of ip-address in the specified
VPN. If you do not include vpn-instance vpn-instance-name in the command, the command
removes the symmetric-passive peer with the IP address of ip-address in the public network.
Examples
# Specify the device with the IP address of 10.1.1.1 as the symmetric-passive peer of the local
device, and configure the local device to run NTP version 4. Specify the source interface of NTP
messages asGigabitEthernet1/0/1.
<Sysname> system-view
[Sysname] ntp-service unicast-peer 10.1.1.1 version 4 source gigabitethernet 1/0/1
Related commands
ntp-service authentication enable
ntp-service authentication-keyid
ntp-service reliable authentication-keyid
ntp-service unicast-server
Use ntp-serviceunicast-serverto specify an NTP server for the device.
Use undo ntp-serviceunicast-serverto remove an NTP server specified for the device.
Syntax
ntp-serviceunicast-server{ server-name |ip-address} [vpn-instance
vpn-instance-name ][authentication-keyidkeyid|priority| sourceinterface-type interface-number|
versionnumber] *
undontp-serviceunicast-server { server-name |ip-address} [vpn-instance vpn-instance-name]
Default
No NTP server is specified.
Views
System view
Predefined user roles
network-admin
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