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Huawei AR150&200 Series Enterprise Routers
Configuration Guide - Network Management
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5.2.6 Configuring the Multicast Mode
This part describes how to configure the NTP multicast mode to synchronize clocks in a multicast
domain.
Procedure
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Issue 02 (2012-03-30)
The local router is set as an NTP broadcast server.
After the configurations, the local router periodically sends the clock synchronization
packets to the broadcast address 255.255.255.255.
NOTE
Broadcast mode can be used only in the same LAN.
Configuring an NTP Broadcast Client
Do as follows on the router functioning as an NTP broadcast client:
1.
Run:
system-view
The system view is displayed.
2.
(Optional) Run:
ntp-service max-dynamic-sessions number
The number of local sessions allowed to be set up dynamically is set.
3.
Run:
interface interface-type interface-number
The interface to receive broadcast NTP packets is specified.
4.
Run:
ntp-service broadcast-client
The local router is configured as an NTP broadcast client.
Step 2 is optional. By default, a maximum of 100 NTP sessions can be set up
dynamically.
After the configurations, the local router senses the broadcast NTP packets sent from
the server and synchronizes the local clock.
Running the ntp-service max-dynamic-sessions command does not affect the
existence of NTP sessions. When the number of the sessions reaches or exceeds the
maximum, the new session cannot be set up further.
Configuring an NTP Multicast Server
Do as follows on the router functioning as an NTP multicast server:
1.
Run:
system-view
The system view is displayed.
2.
Run:
interface interface-type interface-number
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5 NTP Configuration
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