To do…

Use the command…

 

Remarks

 

 

 

 

 

Configure on

 

 

z In NTP

broadcast

server

 

 

 

 

the NTP

ntp-service broadcast-server

 

mode and NTP multicast

 

 

 

 

broadcast

authentication-keyid key-id

 

server mode, you need to

 

 

 

 

server

 

 

associate the specified

 

 

 

Associate

 

 

 

key

with

the

 

 

 

 

 

 

 

 

 

the specified

 

 

 

corresponding

 

 

 

 

key with the

 

 

 

broadcast/multicast client

 

 

 

correspondi

 

 

 

z You can associate an NTP

 

 

 

ng

Configure on

ntp-service multicast-server

 

broadcast/multicast

client

 

 

 

broadcast/m

the NTP

 

with an authentication key

 

 

 

ulticast client

multicast server

authentication-keyid key-id

 

while

configuring

NTP

 

 

 

 

 

 

 

mode. You can also use

 

 

 

 

 

 

 

this command to associate

 

 

 

 

 

 

 

them after configuring the

 

 

 

 

 

 

 

NTP mode.

 

 

 

 

 

 

 

 

 

 

 

 

The procedure for configuring NTP authentication on the server is the same as that on the client. Besides, the client and the server must be configured with the same authentication key.

Configuring Optional NTP Parameters

Complete the following tasks to configure optional NTP parameters:

Task

Remarks

Configuring an Interface on the Local Device to Send NTP Messages

Optional

 

 

Configuring the Number of Dynamic Sessions Allowed on the Local Device

Optional

 

 

Disabling an Interface from Receiving NTP messages

Optional

 

 

Configuring an Interface on the Local Device to Send NTP Messages

Follow these steps to configure an interface on the local device to send NTP messages:

 

 

To do…

 

Use the command…

 

Remarks

 

 

 

Enter system view

 

system-view

 

 

 

 

 

 

 

 

 

 

 

 

Configure an interface on the local

 

ntp-service source-interface

 

Required

 

 

 

device to send NTP messages

 

Vlan-interface vlan-id

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If you have specified an interface in the ntp-service unicast-server or ntp-service unicast-peer

command, this interface will be used for sending NTP messages.

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3Com WX3000 Configuring Optional NTP Parameters, Configure on NTP Broadcast Server, Mode and NTP multicast Broadcast