H3C S7500E Series Operation Manual page 1097

Operation Manual – NTP
H3C S7500E Series Ethernet Switches
II. Configuring the broadcast server
Enter system view
Enter interface view
Configure the device to
work in the NTP
broadcast server mode
Note:
A broadcast server can synchronize broadcast clients only after its clock has been
synchronized.
1.2.4 Configuring NTP Multicast Mode
The multicast server periodically sends NTP multicast messages to multicast clients,
which send replies after receiving the messages and synchronize their local clocks.
For devices working in the multicast mode, you need to configure both the server and
clients. The NTP multicast mode must be configured in the specific interface view.
I. Configuring a multicast client
Enter system view
Enter interface view
Configure the device to
work in the NTP multicast
client mode
To do...
system-view
interface interface-type
interface-number
ntp-service
broadcast-server
[ authentication-keyid
keyid | version number ]*
To do...
system-view
interface interface-type
interface-number
ntp-service
multicast-client
[ ip-address ]
Use the command...
Use the command...
1-12
Chapter 1 NTP Configuration
Remarks
—
Enter the interface used to
send NTP broadcast
messages
Required
Remarks
—
Enter the interface used to
receive NTP multicast
messages
Required