Here is one indication of NTP response to the presence of low stratum servers which did not behave well.
http://members.iinet.net.au/~nathanael/ntpd/leap-second.html -- Steve Allen <[EMAIL PROTECTED]> WGS-84 (GPS) UCO/Lick Observatory Natural Sciences II, Room 165 Lat +36.99858 University of California Voice: +1 831 459 3046 Lng -122.06014 Santa Cruz, CA 95064 http://www.ucolick.org/~sla/ Hgt +250 m