Operation Manual – NTPH3C S9500 Series Routing Switches Chapter 1 NTP Configuration1-13Clock stratum: 2Reference clock ID: 3.0.1.31Nominal frequency: 60.0002 HzActual frequency: 60.0002 HzClock precision: 2^17Clock offset: -9.8258 msRoot delay: 27.10 msRoot dispersion: 49.29 msPeer dispersion: 10.94 msReference time: 19:21:32.287 UTC Oct 24 2004(C5267F3C.49A61E0C)By this time, H3C 4 has been synchronized by H3C 5 and it is at stratum 2, or higherthan H3C 5 by 1.Display the sessions of H3C 4 and you will see H3C 4 has been connected with H3C 5.[H3C4] display ntp-service sessionssource reference stra reach poll now offset delay disper********************************************************************[12345]3.0.1.33 LOCAL(0) 2 377 64 16 0.0 0.0 0.9note: 1 source(master),2 source(peer),3 selected,4 candidate,5 configured1.4.3 Configure NTP Broadcast ModeI. Network requirementsOn H3C 3, set local clock as the NTP master clock at stratum 2 and configure tobroadcast packets from VLAN-interface 2. Configure H3C 4 and H3C 1 to listen to thebroadcast from their VLAN-interface 2 respectively. (Note: H3C 3 supports to configurethe local clock as the master clock)II. Network diagramFigure 1-4 Network diagram for NTP configurationIII. Configuration procedureConfigure Switch H3C 3:# Enter system view.