Ntp-Service Refclock-Master - HPE FlexNetwork 10500 Series Network Management And Monitoring Command Reference

If you have configured the device to operate in multicast server mode on an interface with the
command, do not add the interface to any aggregate group. To add the interface to an aggregate
group, remove the configuration of the command.
Examples
# Configure the device to operate in multicast server mode and send NTP multicast messages on
VLAN-interface 1 to the multicast address 224.0.1.1, using key 4 for encryption. Set the NTP version
to 4.
<Sysname> system-view
[Sysname] interface vlan-interface 1
[Sysname-Vlan-interface1] ntp-service multicast-server 224.0.1.1 version 4
authentication-keyid 4
Related commands
ntp-service multicast-client

ntp-service refclock-master

Use ntp-service refclock-master to configure the local clock as the reference source.
Use undo ntp-service refclock-master to remove the configuration.
Syntax
ntp-service refclock-master [ ip-address ] [ stratum ]
undo ntp-service refclock-master [ ip-address ]
Default
The device does not use its local clock as the reference clock.
Views
System view
Predefined user roles
network-admin
mdc-admin
Parameters
ip-address: IP address of the local clock, 127.127.1.u, where u is the NTP process ID in the range of
0 to 3. The default value is 127.127.1.0.
stratum: Stratum level of the local clock, in the range of 1 to 15. The default value is 8. A lower
stratum level represents higher clock accuracy.
Usage guidelines
Typically an NTP server that gets its time from an authoritative time source, such as an atomic clock
has stratum 1 and operates as the primary time server to provide time synchronization for other
devices in the network. The accuracy of each server is the stratum, with the topmost level (primary
servers) assigned as one and each level downwards (secondary servers) in the hierarchy assigned
as one greater than the preceding level.
If the devices in a network cannot synchronize to an authoritative time source, you can perform the
following tasks:
•
Select a device that has a relatively accurate clock from the network.
•
Use the local clock of the device as the reference clock to synchronize other devices in the
network.
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