[ntp:questions] Version Field in Reply Packets

Richard B. Gilbert rgilbert88 at comcast.net
Tue Jan 23 13:40:56 UTC 2007

Md Nazeem wrote:

> Hi,
> We are having time server running NTPV3 (Server mode), and a client
> running NTPV4.
> What should be version field in the packet replied from the server ?
> Is there any difference in the replies between v3 and v4 NTP servers ?

The version field should report the version being used!

The actual network protocol is identical for version 3 and version 4. 
The changes from version 3 to version 4 were algorithmic improvements 
and new features in the reference implementation.

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