Installation manual

Command Manual - System Management
Quidway S3000-EI Series Ethernet Switches Chapter 7 NTP Configuration Commands
Huawei Technologies Proprietary
7-10
number: Specify NTP version number and range from 1 to 3.
Description
Using ntp-service multicast-server command, you can configure NTP multicast
server mode, if no IP address is specified, switch automatically choice the 224.0.1.1 as
the multicast IP address. Using undo ntp-service multicast-server command, you
can disable NTP multicast server mode, if no IP address is specified, the switch will
disable the configuration of the multicast IP address 224.0.1.1.
By default, the multicast service is disabled. IP address defaults to 224.0.1.1 and the
version number defaults to 3.
Designate an interface on the local equipment to transmit NTP multicast packet. The
local equipment operates in multicast-server mode and multicasts packets regularly to
its clients.
Example
# Configure to transmit NTP multicast packets encrypted with Key 4 via Vlan-Interface1
at 224.0.1.1 and use NTP version 3.
[Quidway] interface vlan-interface 1
[Quidway-Vlan-Interface1] ntp-service multicast-server 224.0.1.1
authentication-keyid 4 version 3
7.1.13 ntp-service refclock-master
Syntax
ntp-service refclock-master [ ip-address ] [ stratum ]
undo ntp-service refclock-master [ ip-address ]
View
System view
Parameter
ip-address: Specify the reference clock IP address as 127.127.t.u. Here, t ranges from
0 to 37 and u ranges from 0 to 3.
stratum: Specify which stratum the local clock is located at and range from 1 to 15.
Description
Using ntp-service refclock-master command, you can configure an external
reference clock or the local clock as an NTP master clock. Using undo ntp-service
refclock-master command, you can cancel the NTP master clock settings.
By default, ip-address is not specified and stratum defaults to 1.