On 2011-12-24, David J Taylor <> wrote:

I suppose the answer to how the spikes arise could be simply "that's
how Wi-Fi is, with transmission uncertainties and the possibility of
interference. I had expected a greater variation to the offset with
Wi-Fi, but not the spikes. Perhaps NTP is sensitive because I have
minpoll 5 and maxpoll 5, perhaps widening the loop bandwidth?

Please remove the {min|max}poll and see if that makes a difference.

--
Steve Kostecke <>
NTP Public Services Project - http://support.ntp.org/

Excellent suggestion, Steve, thanks. I've been using those tight limits for some time, as a means of keeping the offset down to the levels I like to have. With the changes in 4.2.7p241 it will be interesting, if nothing else, to see what the difference is. Test now in progress, and I'll revisit it tomorrow and report back unless it's a complete disaster!

Cheers,
David
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