OSI NTP Time Provider doesn't support NTP Broadcasts

Bug #663592 reported by Andrew Johnson
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Andrew Johnson

Bug Description

If a site's NTP time servers are already sending out NTP broadcast packets on port 123, vxWorks and RTEMS IOCs should be able to synchronize to these packets instead of sending out an NTP request every 60 seconds like they do at present.

The current osdNTPGet() API doesn't allow this, and it needs the NTPTimeSync() loop to be changed to implement it. Can probably be configured using the existing EPICS_TS_NTP_INET parameter. Must be designed to retain the current behavior on vxWorks though, where an empty EPICS_TS_NTP_INET parameter means direct NTP requests to the boot host.

Revision history for this message
Andrew Johnson (anj) wrote :

Setting EPICS_TS_NTP_INET to ":" or ":123" should configure the NTP broadcast mode.

Changed in epics-base:
assignee: nobody → Andrew Johnson (anj)
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