[ntp:questions] Re: Prefer Peer Plays Ping-Pong

Harlan Stenn stenn at ntp.isc.org
Fri Sep 15 20:17:36 UTC 2006

>>> In article <TJSdnaDrzdeem5bYnZ2dnUVZ_sqdnZ2d at megapath.net>, hmurray at suespammers.org (Hal Murray) writes:
JA> I am using a HP Z3801A GPS-disciplined oscillator with both the hpgps and
JA> atom drivers in order to use the PPS signal as well as the serial data
JA> stream.

JA> I'm finding that the system keeps switching sync sources, like so: ...
JA> I suspect this may be due to the (relatively) much greater jitter on the
JA> serial data stream.  Here's the current billboard from ntpq -p:

Hal> My system got a lot happier after I addded this line: tos mindist 0.010

Please consider adding this to http://ntp.isc.org/Support, and I expect the
site to be offline anytime between now (1:15pm PxT) and 4pm PxT due to
maintenance on the building electrical system.


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