H3C S5600 series Operation Manual

Also see for H3C S5600 Series: Configuration Operation manual Operation manual Operation manual Operation manual

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H3C S5600 series Operation Manual Manual pdf 19 page image

Operation Manual – NTPH3C S5600 Series Ethernet Switches-Release 1510 Chapter 1 NTP Configuration1-18Clock stratum: 3Reference clock ID: 3.0.1.31Nominal frequency: 60.0002 HzActual frequency: 60.0002 HzClock precision: 2^18Clock offset: 0.0000 msRoot delay: 0.00 msRoot dispersion: 16.38 msPeer dispersion: 10.94 msReference time: 08:07:58.899 UTC Apr 25 2006(C7F8575E.E6650614)The output information indicates that S5600-1 is synchronized to H3C3, with the clockstratum of 3, one stratum higher than H3C3.# View the information about the NTP sessions of S5600-1 and you can see that aconnection is established between S5600-1 and H3C3.[S5600-1] display ntp-service sessionssource reference stra reach poll now offset delay disper*************************************************************************[1234] 3.0.1.31 127.127.1.0 2 2 64 32 0.0 0.0 0.8note: 1 source(master),2 source(peer),3 selected,4 candidate,5 configured1.7.4 NTP Multicast Mode ConfigurationI. Network requirementsH3C3 sets the local clock to be NTP master clock, with the clock stratum of 2. Itadvertises multicast packets through VLAN interface 2.Configure S5600-1 and S5600-2 to listen to multicast packets through their VLANinterface 2.Note:This example assumes that H3C3 is a switch that supports the local clock being themaster clock.