HP 6125XLG R2306-HP 6125XLG Blade Switch Network Management and Monitoring Con - Page 42
NTP multicast mode configuration example, Network requirements
View all HP 6125XLG manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 42 highlights
# Switch A and Switch B get synchronized upon receiving a broadcast message from Switch C. Display the NTP status of Switch A after clock synchronization. [SwitchA-Vlan-interface2] display ntp-service status Clock status: synchronized Clock stratum: 3 System peer: 3.0.1.31 Local mode: bclient Reference clock ID: 3.0.1.31 Leap indicator: 00 Clock jitter: 0.044281 s Stability: 0.000 pps Clock precision: 2^-10 Root delay: 0.00229 ms Root dispersion: 4.12572 ms Reference time: d0d289fe.ec43c720 Sat, Jan 8 2011 7:00:14.922 The output shows that Switch A has been synchronized to Switch C, the clock stratum level of Switch A is 3, and that of Switch C is 2. # Display IPv4 NTP association information for Switch A. [SwitchA-Vlan-interface2] display ntp-service sessions source reference stra reach poll now offset delay disper [1245]3.0.1.31 127.127.1.0 2 1 64 519 -0.0 0.0022 4.1257 Notes: 1 source(master),2 source(peer),3 selected,4 candidate,5 configured. Total sessions : 1 The output shows that an association has been set up between Switch A and Switch C. NTP multicast mode configuration example Network requirements As shown in Figure 13, Switch C functions as the NTP server for multiple devices on different network segments and synchronizes the time among multiple devices. • Switch C's local clock is to be used as a reference source, with the stratum level 2. • Switch C operates in multicast server mode and sends out multicast messages from VLAN-interface 2. • Switch A and Switch D operate in multicast client mode and receive multicast messages through VLAN-interface 3 and VLAN-interface 2 respectively. 36