85
Configuring NTP in multicast mode
For a multicast client to synchronize to a multicast server, make sure the multicast server is
synchronized by other devices or uses its local clock as a reference source.
Configure NTP in multicast mode on both the multicast server and client.
Configuring a multicast client
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter interface view.
interface
interface-type
interface-number
Enter the interface for receiving
NTP multicast messages.
3.
Configure the device to
operate in multicast client
mode.
•
Configure the device to
operate in multicast client
mode:
ntp-service
multicast-client
[
ip-address
]
•
Configure the device to
operate in IPv6 multicast
client mode:
ntp-service ipv6
multicast-client
ipv6-address
By default, the device does not
operate in any NTP association
mode.
After you execute the command,
the device receives NTP multicast
messages from the specified
interface.
Configuring the multicast server
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter interface view.
interface
interface-type
interface-number
Enter the interface for sending
NTP multicast message.
3.
Configure the device to
operate in multicast server
mode.
•
Configure the device to
operate in multicast server
mode:
ntp-service
multicast-server
[
ip-address
]
[
authentication-keyid
keyid
|
ttl
ttl-number
|
version
number
] *
•
Configure the device to
operate in multicast server
mode:
ntp-service ipv6
multicast-server
ipv6-address
[
authentication-keyid
keyid
|
ttl ttl-number
]
*
By default, the device does not
operate in any NTP association
mode.
After you execute the command,
the device receives NTP multicast
messages from the specified
interface.
Configuring access control rights
Step
Command
Remarks
1.
Enter system view.
system-view
N/A