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

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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