97Reference clock ID: 3.0.1.31Leap indicator: 00Clock jitter: 0.165741 sStability: 0.000 ppsClock precision: 2^-10Root delay: 0.00534 msRoot dispersion: 4.51282 msReference time: d0c61289.10b1193f Wed, Dec 29 2010 20:03:21.065# Verify that an IPv4 NTP association has been established between Router A and Router C.[RouterA-GigabitEthernet2/0/1] display ntp-service sessionssource reference stra reach poll now offset delay disper********************************************************************************[1234]3.0.1.31 127.127.1.0 2 247 64 381 -0.0 0.0053 4.5128Notes: 1 source(master),2 source(peer),3 selected,4 candidate,5 configured.Total sessions: 1IPv6 NTP multicast mode configuration exampleNetwork requirementsAs shown in Figure 36, Router C functions as the NTP server for multiple devices on different networksegments and synchronizes the time among multiple devices.• Configure Router C's local clock as a reference source, with the stratum level 2.• Configure Router C to operate in IPv6 multicast server mode and send IPv6 NTP multicast messagesfrom GigabitEthernet 2/0/1.• Configure Router D and Router A to operate in multicast client mode and receive IPv6 multicastmessages through their respective GigabitEthernet 2/0/1.Figure 36 Network diagramConfiguration procedure1. Assign an IP address to each interface, and make sure the routers can reach each other, as shownin Figure 36. (Details not shown.)2. Configure Router C:
