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22.16.10. Configuring the Burst Option

Using the burst option against a public server is considered abuse. Do not use this option with public NTP servers. Use it only for applications within your own organization.
To increase the average quality of time offset statistics, add the following option to the end of a server command:
At every poll interval, when the server responds, the system will send a burst of up to eight packets instead of the usual one packet. For use with the server command to improve the average quality of the time-offset calculations.