Operation Manual – NTPH3C S7500 Series Ethernet Switches Chapter 1 NTP Configuration1-20Actual frequency: 249.9992 HzClock precision: 2^19Clock offset: 198.7425 msRoot delay: 27.47 msRoot dispersion: 208.39 msPeer dispersion: 9.63 msReference time: 17:03:32.022 UTC Thu Sep 6 2001 (BF422AE4.05AEA86C)The output information indicates that S7500-1 is synchronized to H3C3, with the clockstratum being 3, one stratum higher than H3C3.# View the information about the NTP sessions of S7500-1 and you can see that aconnection is established between S7500-1 and H3C3.[S7500-1] display ntp-service sessionssource reference stra reach poll now offset delay disper**************************************************************************[1]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 configured1.7.5 NTP Server Mode with Authentication ConfigurationI. Network requirementsThe local clock of S7500-1 operates as the master NTP clock, with the clock stratumbeing 2.S7500-2 operates in client mode with S7500-1 as the time server. S7500-1 operates inthe server mode automatically. Meanwhile, NTP authentication is enabled on bothsides.II. Network diagram1.0.1.11/24S7500-11 .0.1.12/24S7500-2Figure 1-10 Network diagram for NTP server mode with authentication configurationIII. Configuration procedures1) Configure S7500-2.# Enter system view. system-view[S7500-2]# Configure S7500-1 to be the time server.[S7500-2] ntp-service unicast-server 1.0.1.11