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Configuration procedure – H3C Technologies H3C WX3000E Series Wireless Switches User Manual

Page 33

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Figure 12 Network diagram

Configuration procedure

1.

Configure Switch B:

# Specify the local clock as the reference source, with the stratum level 2.

system-view

[Switch B] ntp-service refclock-master 2

# Configure Switch B to operate in broadcast server mode and send broadcast messages through
VLAN-interface 2.

[Switch B] interface vlan-interface 2

[Switch B-Vlan-interface2] ntp-service broadcast-server

2.

Configure AP 2:

# Configure AP 2 to operate in broadcast client mode and receive broadcast messages on

VLAN-interface 2.

system-view

[AP2] interface vlan-interface 2

[AP2-Vlan-interface2] ntp-service broadcast-client

3.

Configure AP 1:

# Configure AP 1 to operate in broadcast client mode and receive broadcast messages on
VLAN-interface 3.

system-view

[AP1] interface vlan-interface 3

[AP1-Vlan-interface3] ntp-service broadcast-client

Because AP 1 and Switch B are not in the same network segment, AP 1 cannot receive broadcast
messages from Switch B. However, AP 2 gets synchronized upon receiving a broadcast message from

Switch B.
# Display the NTP status of AP 2 after clock synchronization.

[AP2-Vlan-interface2] display ntp-service status

Clock status: synchronized

Clock stratum: 3

Reference clock ID: 3.0.1.31

Nominal frequency: 100.0000 Hz

Actual frequency: 100.0000 Hz

Clock precision: 2^16

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