Ntp-Service Refclock-Master - H3C S5830V2 Series Command Reference Manual

Default
The device does not operate in any NTP association mode.
View
VLAN interface view
Predefined user roles
network-admin
Parameters
ip-address: Multicast IP address, in the range of 224.0.1.0 to 224.0.1.255, and defaults to 224.0.1.1. A
multicast server and client must be configured with the same multicast IP address.
authentication-keyid keyid: Specifies the key ID to be used for sending multicast messages to multicast
clients, where keyid is in the range of 1 to 4294967295. If this option is not specified, the local device
cannot synchronize multicast clients enabled with NTP authentication.
ttl ttl-number: Specifies the TTL of NTP multicast messages, where ttl-number is in the range of 1 to 255
and defaults to 16.
version number: Specifies the NTP version, where number is in the range of 1 to 4 and defaults to 4.
Usage guidelines
After you configure this command, the device periodically sends NTP messages to the specified multicast
address.
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, and 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 the ntp-service refclock-master command to configure the local clock as a reference source for other
devices.
Use the undo ntp-service refclock-master command 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 a reference clock.
Views
System view
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