3Com 5500G, 4210, 4200G manual NTP Client/Server Mode with Authentication Configuration

276CHAPTER 31: NTP CONFIGURATION GUIDE

<DeviceA> system-view

[DeviceA] interface Vlan-interface 2

[DeviceA-Vlan-interface2] ntp-service multicast-client

■View the NTP status and NTP session information of Device D after clock synchronization (You can use the same command to view the NTP status and NTP session information of Device A).

# View NTP status of Device D.

[DeviceD] display ntp-service status

# View NTP session information of Device D.

[DeviceD] display ntp-service sessions

Complete Configuration ■ Configuration on Device C.

#

interface Vlan-interface2

ip address 3.0.1.13 255.255.255.0

ntp-service multicast-server

■Configuration on Device A.

#

interface Vlan-interface2

ip address 1.0.1.11 255.255.255.0

ntp-service multicast-client

■Configuration on Device D.

#

interface Vlan-interface2

ip address 3.0.1.14 255.255.255.0

ntp-service multicast-client

Precautions The local clock of the Switch 5500, 5500G, or 4210 cannot be set as a reference clock. It can synchronize other devices as a reference clock only when its clock is synchronized.

NTP Client/Server

Mode with

Authentication

Configuration

Network Diagram Figure 86 Network diagram for NTP client/server mode with authentication configuration

1.0.1.11/241.0.1.12/24

Device A Device B

Networking and	■ The local clock of Device A is to be used as a reference source, with the stratum
Configuration	level of 2.
Requirements