Ntp version 3, ntpq, and ntpdc, A.1 ntp v 3.0 data format per rfc-1305, A.1.1 ntp data packet – Symmetricom Time Server User Manual
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TimeVault™ User’s Manual
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NTP Version 3, NTPQ, and NTPDC
This appendix describes two NTP version 3 data formats:
• NTP version 3, per RFC-1305
• SNTP version 3, per RFC-2030
and query programs NTPQ and NTPDC.
All RFCs are published with approval of the Internet Activities Board, found on the
Internet by running any search engine and typing “RFC” in the search field (or
“RFC-####” if you have the number). Two such search engines can be found at the
following Internet addresses:
A.1
NTP V 3.0 Data Format per RFC-1305
A.1.1
NTP Data Packet
The layout of the NTP data packet information following the UDP header is shown below,
and each element is described on the following pages:
TimeVault fully supports NTP version 4, (backwards compatible with NTP version 2,
RFC-1119, and version 3, RFC-1305), and SNTP as per RFC 2030.