H3C SR6600-X Configuration Manual page 113

Total sessions: 1
5. Configure Router B:
Because Router A and Router C are on different subnets, you must enable the multicast functions on
Router B before Router A can receive IPv6 multicast messages from Router C.
# Enable the IPv6 multicast function.
<RouterB> system-view
[RouterB] ipv6 multicast routing
[RouterB-mrib6] quit
[RouterB] interface gigabitethernet 2/0/1
[RouterB-GigabitEthernet2/0/1] mld enable
[RouterB-GigabitEthernet2/0/1] mld static-group ff24::1
[RouterB-GigabitEthernet2/0/1] quit
[RouterB] interface gigabitethernet 2/0/2
[RouterB-GigabitEthernet2/0/2] ipv6 pim dm
6. Configure Router A:
# Enable the NTP service.
<RouterA> system-view
[RouterA] ntp-service enable
# Configure Router A to operate in IPv6 multicast client mode and receive multicast messages from
GigabitEthernet 2/0/1.
[RouterA] interface gigabitethernet 2/0/1
[RouterA-GigabitEthernet2/0/1] ntp-service ipv6 multicast-client ff24::1
7. Verify the configuration:
# Verify that Router A has synchronized to Router C, and the clock stratum level is 3 on Router A
and 2 on Router C.
[RouterA-GigabitEthernet2/0/1] display ntp status
Clock status: synchronized
Clock stratum: 3
System peer: 3000::2
Local mode: bclient
Reference clock ID: 165.84.121.65
Leap indicator: 00
Clock jitter: 0.165741 s
Stability: 0.000 pps
Clock precision: 2^-10
Root delay: 0.00534 ms
Root dispersion: 4.51282 ms
Reference time: d0c61289.10b1193f
# Verify that an IPv6 NTP association has been established between Router A and Router C.
[RouterA-GigabitEthernet2/0/1] display ntp-service ipv6 sessions
Notes: 1 source(master), 2 source(peer), 3 selected, 4 candidate, 5 configured.
Source: [124]3000::2
Reference: 127.127.1.0
Reachabilities: 2
Last receive time: 71
Wed, Dec 29 2010 20:03:21.065
Clock stratum: 2
Poll interval: 64
Offset: -0.0
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