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Configuring ntp in multicast mode, Configuring a multicast client, Configuring the multicast server – H3C Technologies H3C S6300 Series Switches User Manual

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16

Step Command

Remarks

2.

Enter interface view.

interface interface-type
interface-number

Enter the interface for sending NTP
broadcast messages.

3.

Configure the device to
operate in NTP broadcast

server mode.

ntp-service broadcast-server
[ authentication-keyid keyid |

version number ] *

By default, the device does not
operate in broadcast server mode.
After you execute the command,
the device receives NTP broadcast

messages from the specified

interface.

Configuring NTP in multicast mode

A multicast server must be synchronized by other devices or use its local clock as a reference source

before synchronizing a multicast client. Otherwise, the multicast client will not be synchronized to the

multicast server.
Configure NTP in multicast mode on both a 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-multicast-address

By default, the device does not
operate in multicast server 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.