Operation Manual – NTPH3C S3100 Series Ethernet Switches Chapter 1 NTP Configuration1-24Clock status: synchronizedClock stratum: 3Reference clock ID: 3.0.1.31Nominal frequency: 100.0000 HzActual frequency: 100.0000 HzClock precision: 2^18Clock offset: 198.7425 msRoot delay: 27.47 msRoot dispersion: 208.39 msPeer dispersion: 9.63 msReference time: 17:03:32.022 UTC Apr 2 2007 (BF422AE4.05AEA86C)The output information indicates that Device D is synchronized to Device C, with aclock stratum level of 3, one stratum level lower than that Device C.# View the information about the NTP sessions of Device D (You can see that aconnection is established between Device D and Device C).[DeviceD] display ntp-service sessionssource reference stra reach poll now offset delay disper**************************************************************************[1234]3.0.1.31 127.127.1.0 2 1 64 377 26.1 199.53 9.7note: 1 source(master),2 source(peer),3 selected,4 candidate,5 configuredTotal associations : 11.8.5 Configuring NTP Server/Client Mode with AuthenticationI. Network requirementsz The local clock of Device A is set as the NTP master clock, with a clock stratumlevel of 2.z Device B is an S3100 Ethernet switch and uses Device A as the NTP server.Device B is set to work in client mode, while Device A works in server modeautomatically.z The NTP authentication function is enabled on Device A and Device B.II. Network diagram1.0.1.11/24 1.0.1.12/24Device A Device BFigure 1-10 Network diagram for NTP server/client mode with authenticationconfiguration
