37
Local mode: bclient
Reference clock ID: 165.84.121.65
Leap indicator: 00
Clock jitter: 0.000977 s
Stability: 0.000 pps
Clock precision: 2^-10
Root delay: 0.00000 ms
Root dispersion: 8.00578 ms
Reference time: d0c60680.9754fb17 Wed, Dec 29 2010 19:12:00.591
# Verify that an IPv6 NTP association has been established between Switch D and Switch C.
[SwitchD-Vlan-interface2] display ntp-service ipv6 sessions
Notes: 1 source(master), 2 source(peer), 3 selected, 4 candidate, 5 configured.
Source: [1234]3000::2
Reference: 127.127.1.0 Clock stratum: 2
Reachabilities: 111 Poll interval: 64
Last receive time: 23 Offset: -0.0
Roundtrip delay: 0.0 Dispersion: 0.0
Total sessions: 1
5. Configure Switch B:
Because Switch A and Switch C are on different subnets, you must enable the IPv6 multicast
functions on Switch B before Switch A can receive IPv6 multicast messages from Switch C.
# Enable IPv6 multicast functions.
<SwitchB> system-view
[SwitchB] ipv6 multicast routing
[SwitchB-mrib6] quit
[SwitchB] interface vlan-interface 2
[SwitchB-Vlan-interface2] ipv6 pim dm
[SwitchB-Vlan-interface2] quit
[SwitchB] vlan 3
[SwitchB-vlan3] port gigabitethernet 1/0/1
[SwitchB-vlan3] quit
[SwitchB] interface vlan-interface 3
[SwitchB-Vlan-interface3] mld enable
[SwitchB-Vlan-interface3] mld static-group ff24::1
[SwitchB-Vlan-interface3] quit
[SwitchB] mld-snooping
[SwitchB-mld-snooping] quit
[SwitchB] interface gigabitethernet 1/0/1
[SwitchB-GigabitEthernet1/0/1] mld-snooping static-group ff24::1 vlan 3
6. Configure Switch A:
# Enable the NTP service.
<SwitchA> system-view
[SwitchA] ntp-service enable
# Configure Switch A to operate in IPv6 multicast client mode and receive IPv6 multicast
messages on VLAN-interface 3.
[SwitchA] interface vlan-interface 3
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