HP 6125XLG R2306-HP 6125XLG Blade Switch Network Management and Monitoring Con - Page 44
Display IPv4 NTP association information for Switch D
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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 D has been synchronized to Switch C, the clock stratum level of Switch D is 3, and that of Switch C is 2. # Display IPv4 NTP association information for Switch D. [SwitchD-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 D and Switch C. 5. Configure Switch B: Because Switch A and Switch C are on different subnets, you must enable the multicast functions on Switch B before Switch A can receive multicast messages from Switch C. # Enable IP multicast routing and IGMP. system-view [SwitchB] multicast routing-enable [SwitchB] interface vlan-interface 2 [SwitchB-Vlan-interface2] pim dm [SwitchB-Vlan-interface2] quit [SwitchB] vlan 3 [SwitchB-vlan3] port ten-gigabitethernet 1/1/5 [SwitchB-vlan3] quit [SwitchB] interface vlan-interface 3 [SwitchB-Vlan-interface3] igmp enable [SwitchB-Vlan-interface3] igmp static-group 224.0.1.1 [SwitchB-Vlan-interface3] quit [SwitchB] igmp-snooping [SwitchB-igmp-snooping] quit [SwitchB] interface ten-gigabitethernet 1/1/5 [SwitchB-Ten-GigabitEthernet1/1/5] igmp-snooping static-group 224.0.1.1 vlan 3 6. Configure Switch A: # Enable the NTP service. system-view [SwitchA] ntp-service enable # Configure Switch A to operate in multicast client mode and receive multicast messages on VLAN-interface 3. [SwitchA] interface vlan-interface 3 [SwitchA-Vlan-interface3] ntp-service multicast-client 7. Verify the configuration: 38