[ntp:questions] Using a PPS source without a GPS receiver?

John Ioannidis ntp at tla.org
Sat Dec 22 00:10:32 UTC 2007


The setup: O(10) FreeBSD 6.2 machines in a rack, a PPS source, and an 
NTP server somewhere on the same network.  Is it possible (and if so, 
how?) to configure ntpd on these machines so they get the rough time 
over NTP from the network's NTP server, and use the PPS source so they 
stay better synchronized to each other (with less than a foot of coax 
between each machine, I'm not worried about the extra nanosecond!)

Thanks,

/ji



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