[ntp:questions] How do I know my GPS-based NTP server is actually working properly?

Kevin Oberman oberman at es.net
Fri Nov 2 16:58:32 UTC 2007

> Date: Fri, 02 Nov 2007 12:25:46 -0400
> From: John Ioannidis <ntp at tla.org>
> Thanks for the reply, but this is not answering my question. I wasn't 
> asking how to *configure* the beast (I've already done this 
> successfully), I was asking how to verify that it actually works as 
> documented!
> What measurements do I have to take that will show the difference 
> between a setup that's actually using the PPS signal from the GPS 
> receiver and one that's not (because, for example, the DCD line on the 
> motherboard is cracked, to give a stupid example).

I guess I was not clear. 'ntpq -p' will provide the output I showed and
this will tell you whether the PPS is working. (Note: I don't see that
it will as your configuration is not correct.)
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net			Phone: +1 510 486-8634
Key fingerprint:059B 2DDF 031C 9BA3 14A4  EADA 927D EBB3 987B 3751
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