1-18Actual frequency: 100.0000 HzClock precision: 2^18Clock offset: -21.1982 msRoot delay: 15.00 msRoot dispersion: 775.15 msPeer dispersion: 34.29 msReference time: 15:22:47.083 UTC Sep 19 2005 (C6D95647.153F7CED)As shown above, Device C has been synchronized to Device B and the clock stratum level of Device Cis 4, while that of Device C is 1.# View the NTP session information of Device B, which shows that an association has been set upbetween Device B and Device C.[DeviceB] display ntp-service sessionssource reference stra reach poll now offset delay disper********************************************************************************[12345] 3.0.1.32 3.0.1.31 3 3 64 16 -6.4 4.8 1.0note: 1 source(master),2 source(peer),3 selected,4 candidate,5 configuredTotal associations : 1Configuring NTP Broadcast ModeNetwork requirementsz Switch C’s local clock is to be used as a reference source, with the stratum level of 2.z Switch C works in the broadcast server mode and sends out broadcast messages fromVLAN-interface 2.z Switch A and Switch D work in the broadcast client mode. Switch A listens to broadcast messagesthrough its VLAN-interface 3 and Switch D from its VLAN-interface 2.Figure 1-9 Network diagram for NTP broadcast mode configurationConfiguration procedure1) Configuration on Switch C:# Configure Switch C to work in the broadcast server mode and send broadcast messages throughVLAN-interface 2.
