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15.17.8. Adding a Manycast Server Address

To add a manycast server address, that is to say, to configure an address to allow the clients to discover the server by multicasting NTP packets, make use of the manycastserver command in the ntp.conf file.
The manycastserver command takes the following form:
manycastserver address
Enables the sending of multicast messages. Where address is the address to multicast to. This should be used together with authentication to prevent service disruption.
This command configures a system to act as an NTP server. Systems can be both client and server at the same time.