3Com WX3000 Displaying and Maintaining NTP Configuration, NTP Configuration Examples

Configuring the Number of Dynamic Sessions Allowed on the Local Device

Follow these steps to configure the number of dynamic sessions allowed on the local device:

To do…	Use the command…	Remarks
Enter system view	system-view	—
Configure the maximum	ntp-service	Required
number of dynamic sessions		By default, up to 100 dynamic
	max-dynamic-sessions
that can be established on the		sessions can be established
	number
local device		locally.

Disabling an Interface from Receiving NTP messages

Follow these steps to disable an interface from receiving NTP messages:

To do…	Use the command…	Remarks
Enter system view	system-view	—
Enter VLAN interface view	interface Vlan-interface	—
	vlan-id
Disable an interface from	ntp-service in-interface	Required
		By default, a VLAN interface
receiving NTP messages	disable
		receives NTP messages.

Displaying and Maintaining NTP Configuration

To do…	Use the command…	Remarks
Display the status of NTP services	display ntp-service status
Display the information about the	display ntp-service
sessions maintained by NTP	sessions [ verbose ]	Available in any view
Display the brief information about
NTP servers along the path from the	display ntp-service trace
local device to the reference clock
source

NTP Configuration Examples

Configuring NTP Server/Client Mode

Network requirements

z

z

z

As shown in Figure 1-6, the local clock of Device A is to be used as a master clock, with the stratum level of 2.

Device A is used as the NTP server of Device B (a WX3000 series device)

Configure Device B to work in the client mode, and then Device A will automatically work in the server mode.

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