[ntp:questions] NTP - orphan mode with SAME stratum ("tos orphan 6") FAIL to sync.
David J Taylor
david-taylor at blueyonder.neither-this-bit.nor-this.co.uk.invalid
Wed Apr 8 05:31:45 UTC 2009
sheikdawoodrajali at gmail.com wrote:
> what do you exactly mean "ultra high quality time"?
> My ntp service is started running the command below:
> "C:\ntp\bin\ntpd.exe" -U 3 -M -g -c "C:\ntp\etc\ntp.conf"
> Are you talking about the -M (Windows only - set high quality
> multimedia timer) option here?
It's one of these "how long is a piece of string" questions! What
accuracy do you require? Within a second, tens of milliseconds, hundreds
With Windows XP SP2 or later, the -M option may be required to prevent
severe variations in the offset value, for example:
By the way, I use MRTG to plot the offsets:
and the Meinberg NTP Time Server Monitor and a program I wrote can read
the loopstats files to show how well NTP is working:
and I have a simple multi-PC monitor here:
More information about the questions