H3c-technologies H3C WX5500E Series Access Controllers Manual de usuario descargar pdf (Pagina 35)

NTP broadcast mode configuration example

Network requirements

As shown in Figure 13, Switch C functions as the NTP server for multiple devices on a network segment

and synchronizes the time among multiple devices.

• Switch C’s local clock is to be used as a reference source, with the stratum level 2.

• Switch C operates in broadcast server mode and sends out broadcast messages from

VLAN-interface 2.

• Switch A and Switch B operate in broadcast client mode, and listen to broadcast messages through

their VLAN-interface 2 respectively.

Figure 13 Network diagram

Configuration procedure

1. Set the IP address for each interface as shown in Figure 13. (Details not shown.)

2. Configure Switch C:

# Configure Switch C to operate in broadcast server mode and send broadcast messages through

VLAN-interface 2.

[SwitchC] interface vlan-interface 2

[SwitchC-Vlan-interface2] ntp-service broadcast-server

3. Configure Switch A:

# Configure Switch A to operate in broadcast client mode and receive broadcast messages on

VLAN-interface 2.

<SwitchA> system-view

[SwitchA] interface vlan-interface 2

[SwitchA-Vlan-interface2] ntp-service broadcast-client

4. Configure Switch B:

# Configure Switch B to operate in broadcast client mode and receive broadcast messages on

VLAN-interface 2.

<SwitchB> system-view

[SwitchB] interface vlan-interface 2

[SwitchB-Vlan-interface2] ntp-service broadcast-client

Switch A and Switch B get synchronized upon receiving a broadcast message from Switch C.

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H3c-technologies H3C WX5500E Series Access Controllers Manual de usuario Pagina 35