check_ntp_peer/check_ntp_time; NTP versions

Stewart, Eric eric at
Mon Jul 8 19:00:06 CEST 2019

We have run into a time sync appliance (that uses GPS signals to set the time) that doesn’t speak (not willingly, at least) NTP v2.  It will speak NTP v4.  Alas, check_ntp_peer does not seem to speak NTP v4, but only v2.  check_ntp (which claims that it is deprecated) does speak v4, as does check_ntp_time, but check_ntp_time is meant for comparing the local clock’s offset.

So … any plans to update check_ntp_peer to do its thing using NTP v4?

Eric Stewart
Network Engineer

University of South Florida – Information Technology
4202 E. Fowler Avenue, SVC 4010, Tampa, FL, 33620
eric at<mailto:eric at> | Tel: (813) 974-6084<> | Facebook: /USF Information Technology | Twitter: @ USF_IT

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