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Huawei AR150&200 Series Enterprise Routers
Configuration Guide - Network Management
Figure 5-5 Networking diagram of the NTP multicast mode
R o u te rA
Configuration Roadmap
The configuration roadmap is as follows:
1.
2.
Data Preparation
To complete the configuration, you need the following data:
l
l
Procedure
Step 1 Configure an IP address for each router
Configure IP addresses based on
Step 2 Configure an NTP multicast server.
# Set the local clock on RouterA as an NTP primary clock with stratum 2.
<RouterA> system-view
[RouterA] ntp-service refclock-master 2
# Configure RouterA to be an NTP multicast server. NTP multicast packets are sent from Eth
1/0/0.
[RouterA] interface ethernet 1/0/0
[RouterA-Ethernet1/0/0] ntp-service multicast-server
Step 3 Configure RouterB.
# Configure RouterB to be an NTP multicast client. RouterB senses the NTP multicast packets
on Eth 1/0/0.
<RouterB> system-view
[RouterB] interface ethernet 1/0/0
[RouterB-Ethernet1/0/0] ntp-service multicast-client
Step 4 Configure RouterC.
Issue 02 (2012-03-30)
E th 1 /0 /0
1 0 .1 .1 .2 //2 4
E h t1 /0 /0
1 0 .1 .1 .1 /2 4
E h t1 /0 /0
1 0 .1 .1 .3 /2 4
Configure RouterA as an NTP multicast server.
Configure RouterB and RouterC as NTP multicast clients.
IP addresses of RouterA, RouterB, and RouterC
Stratum of the NTP primary clock
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Copyright © Huawei Technologies Co., Ltd.
R o u te rB
R o u te rC
Figure
5-5. The detailed procedures are not mentioned here.
5 NTP Configuration
135
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