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H3C Technologies H3C MSR 5600 User Manual

Page 106

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93

Total sessions : 1

The output shows that an association has been set up between Router D and Router C.

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.

system-view

[RouterB] ipv6 multicast routing

[RouterB-mrib6] quit

[RouterB] interface ethernet 1/1

[RouterB-Ethernet1/1] mld enable

[RouterB-Ethernet1/1] mld static-group ff24::1

[RouterB-Ethernet1/1] quit

[RouterB] interface ethernet 1/2

[RouterB-Ethernet1/2] ipv6 pim dm

6.

Configure Router A:
# Enable the NTP service.

system-view

[RouterA] ntp-service enable

# Configure Router A to operate in IPv6 multicast client mode and receive multicast messages from
Ethernet 1/1.

[RouterA] interface ethernet 1/1

[RouterA-Ethernet1/1] ntp-service ipv6 multicast-client ff24::1

7.

Verify the configuration:
# Display the NTP status of Router A after clock synchronization.

[RouterA-Ethernet1/1] 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 Wed, Dec 29 2010 20:03:21.065

The output shows that Router A has been synchronized to Router C, the clock stratum level of Router
A is 3, and the clock stratum level of Router C is 2.
# Display IPv6 NTP association information for Router A.

[RouterA-Ethernet1/1] display ntp-service ipv6 sessions

Notes: 1 source(master), 2 source(peer), 3 selected, 4 candidate, 5 configured.

Source: [124]3000::2

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