1-15The procedure of configuring NTP authentication on a server is the same as that on a client, and thesame authentication key must be configured on both the server and client sides.Displaying and Maintaining NTPTo do… Use the command… RemarksView the information of NTPservice status display ntp-service status Available in any viewView the information of NTPsessionsdisplay ntp-service sessions[ verbose ] Available in any viewView the brief information of theNTP servers from the localdevice back to the primaryreference sourcedisplay ntp-service trace Available in any viewNTP Configuration ExamplesConfiguring NTP Client/Server ModeNetwork requirementsz The local clock of Device A is to be used as a reference source, with the stratum level of 2.z Device B works in the client/server mode and Device A is to be used as the NTP server of DeviceB.Figure 1-7 Network diagram for NTP client/server mode configurationConfiguration procedure1) Configuration on Device B:# View the NTP status of Device B before clock synchronization. display ntp-service statusClock status: unsynchronizedClock stratum: 16Reference clock ID: noneNominal frequency: 100.0000 HzActual frequency: 100.0000 HzClock precision: 2^18Clock offset: 0.0000 msRoot delay: 0.00 ms