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Operation Manual – NTP

H3C S3100 Series Ethernet Switches Chapter 1 NTP Configuration

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II. Network diagram

Figure 1-6 Network diagram for the NTP server/client mode configuration

III. Configuration procedure

Perform the following configurations on Device B.

# View the NTP status of Device B before synchronization.

<DeviceB> display ntp-service status

Clock status: unsynchronized

Clock stratum: 16

Reference clock ID: none

Nominal frequency: 100.0000 Hz

Actual frequency: 100.0000 Hz

Clock precision: 2^18

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)

# Set Device A as the NTP server of Device B.

<DeviceB> system-view

[DeviceB] ntp-service unicast-server 1.0.1.11

# (After the above configurations, Device B is synchronized to Device A.) View the NTP

status of Device B.

[DeviceB] display ntp-service status

Clock status: synchronized

Clock stratum: 3

Reference clock ID: 1.0.1.11

Nominal frequency: 100.0000 Hz

Actual frequency: 100.0000 Hz

Clock precision: 2^18

Clock offset: 0.66 ms

Root delay: 27.47 ms

Root dispersion: 208.39 ms

Peer dispersion: 9.63 ms

Reference time: 17:03:32.022 UTC Apr 2 2007 (BF422AE4.05AEA86C)

H3C S3100 8C SI User Manual

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