H3c-technologies H3C WX5500E Series Access Controllers Manuel d'utilisateur télécharger pdf (Page 32)

Task Command

Remarks

Display the brief information

about the NTP servers from the

local device back to the

primary reference source.

display ntp-service trace [ | { begin |

exclude | include }

regular-expression ]

Available in any view.

NTP configuration examples

This section provides configuration examples for NTP.

NTP client/server mode configuration example

Network requirements

Perform the following configurations to synchronize the time between Device B and Device A:

• As shown in Figure 11, the loc

al clock of Device A is to be used as a reference source, with the

stratum level 2.

• Device B operates in client/server mode and Device A is to be used as the NTP server of Device B.

Figure 11 Network diagram

Configuration procedure

1. Set the IP address for each interface as shown in Figure 11. (Details not shown.)

2. Configure Device B:

# Display the NTP status of Device B before clock synchronization.

<DeviceB> display ntp-service status

Clock status: unsynchronized

Clock stratum: 16

Reference clock ID: none

Nominal frequency: 64.0000 Hz

Actual frequency: 64.0000 Hz

Clock precision: 2^7

Clock offset: 0.0000 ms

Root delay: 0.00 ms

Root dispersion: 0.00 ms

Peer dispersion: 0.00 ms

Reference time: 00:00:00.000 UTC Jan 1 1900 (00000000.00000000)

# Specify Device A as the NTP server of Device B so that Device B synchronizes to Device A.

<DeviceB> system-view

[DeviceB] ntp-service unicast-server 1.0.1.11

# Display the NTP status of Device B after clock synchronization.

[DeviceB] display ntp-service status

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H3c-technologies H3C WX5500E Series Access Controllers Manuel d'utilisateur Page 32