3.1.2.1 Client Polling Timer

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The client polling timer (peer.peerpoll) defined in [RFC1305] section 3.2.3 is used to control the polling interval between transmitted Client NTP Request messages. The polling interval for this timer varies in a dynamic range between a minimum polling interval and a maximum polling interval, as defined in [RFC1305] section 3.4.2.<8>

The client performs a polling interval update as specified in [RFC1305] section 3.4.9. (Poll-Update Procedure) and in the previous paragraph, except in the following cases and in the following order:

  • If a special polling interval is being used per section 3.1.1, the polling interval remains unchanged.

  • If a client mode or symmetric active mode is used, the minimum polling interval is used.