H3C Technologies H3C WX3000 Series Unified Switches User Manual

Page 472

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[DeviceA] ntp-service authentication-keyid 42 authentication-mode md5 aNiceKey

# Specify the key 42 as a trusted key.

[DeviceA] ntp-service reliable authentication-keyid 42

(After the above configurations, the clock of Device B can be synchronized to that of Device A.) View the
status of Device B after synchronization.

[DeviceB] display ntp-service status

Clock status: synchronized

Clock stratum: 3

Reference clock ID: 1.0.1.11

Nominal frequency: 60.0002 Hz

Actual frequency: 60.0002 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 Thu Sep 7 2006 (BF422AE4.05AEA86C)

The output information indicates that the clock of Device B is synchronized to that of Device A, with a
clock stratum level of 3, one stratum level lower than that Device A.

# View the information about NTP sessions of Device B (You can see that a connection is established
between Device B and Device A).

<DeviceB> display ntp-service sessions

source reference stra reach poll now offset delay disper

************************************************************************* [12345]

1.0.1.11 127.127.1.0 2 255 64 8 2.8 17.7 1.2

note: 1 source(master),2 source(peer),3 selected,4 candidate,5 configured

Total associations : 1

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