H3c-technologies H3C WX6000 Series Access Controllers Manual de usuario descargar pdf (Pagina 509)

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Network diagram

Figure 54-12 Network diagram for configuration of NTP broadcast mode with authentication

Configuration procedure

1) Configuration on AC A:

# Specify the local clock as the reference source, with the stratum level of 3.

<AC A> system-view

[AC A] ntp-service refclock-master 3

# Configure NTP authentication

[AC A] ntp-service authentication enable

[AC A] ntp-service authentication-keyid 88 authentication-mode md5 123456

[AC A] ntp-service reliable authentication-keyid 88

# Specify AC A as an NTP broadcast server, and specify an authentication key.

[AC A] interface vlan-interface 2

[AC A-Vlan-interface2] ntp-service broadcast-server authentication-keyid 88

2) Configuration on AC B:

# Configure NTP authentication

<AC B> system-view

[AC B] ntp-service authentication enable

[AC B] ntp-service authentication-keyid 88 authentication-mode md5 123456

[AC B] ntp-service reliable authentication-keyid 88

# Configure AC B to work in the NTP broadcast client mode

[AC B] interface vlan-interface 2

[AC B-Vlan-interface2] ntp-service broadcast-client

Now, AC B can listen to the broadcast messages through VLAN-interface 2, and AC A can send

broadcast messages through VLAN-interface 2. Upon receiving a broadcast message from AC A, AC B

synchronizes its clock to that of AC A.

# View the NTP status of AC B after clock synchronization.

[AC B-Vlan-interface2] display ntp-service status

Clock status: synchronized

Clock stratum: 4

Reference clock ID: 3.0.1.31

Nominal frequency: 100.0000 Hz

Actual frequency: 100.0000 Hz

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H3c-technologies H3C WX6000 Series Access Controllers Manual de usuario Pagina 509

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