
Customizing NTP Services
117358-A Rev. A 7-3
Setting the NTP Operation Mode
The BCC does not support this function.
You must specify the mode of operation in which you want to configure NTP to
run on a router. NTP provides three operation modes: Unicast Client, Broadcast
Client, and Multicast Client modes. The current implementation of NTP supports
only Client mode.
You select Unicast Client mode when you want to configure remote time servers
(peers). You select Broadcast Client mode and Multicast Client mode when you
want to configure access control filters to restrict certain remote time servers from
sending NTP packets to a local NTP client.
By default, NTP runs in Unicast Client mode.
To specify the mode in which you want NTP to run on the router, complete the
tasks in the following table.
Site Manager Procedure
You do this System responds
1. In the Configuration Manager window,
choose Protocols.
The Protocols menu opens.
2. Choose Global Protocols. The Global Protocols menu opens.
3. Choose NTP. The NTP menu opens.
4. Choose Global. The Edit NTP Global Parameters window
opens.
5. Click on the Mode parameter. Click on
Help or see the parameter description on
page A-18.
6. Choose the mode in which you want NTP
to run:
• Unicast Client (Client)
• Broadcast Client (BClient)
• Multicast Client (MClient)
7. Click on OK.
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