On 2015-02-15, Rob <[email protected]> wrote:
> I am experimenting with chrony 1.31 as an alternative on some PPS
> synchronized servers.   It appears to run OK, it is tracking very nicely:
>
> Reference ID    : 80.80.83.48 (PPS0)
> Stratum         : 1
> Ref time (UTC)  : Sun Feb 15 22:34:01 2015
> System time     : 0.000000076 seconds fast of NTP time
> Last offset     : +0.000000085 seconds
> RMS offset      : 0.000000751 seconds
> Frequency       : 10.014 ppm slow
> Residual freq   : -0.004 ppm
> Skew            : 0.042 ppm
> Root delay      : 0.000000 seconds
> Root dispersion : 0.000017 seconds
> Update interval : 16.0 seconds
> Leap status     : Normal
>
> However, it does not reply to NTP requests from other systems with ntpd.
> (I can confirm that in a network trace)
>
> The config includes:
>
> allow 0/0

Try 0.0.0.0/0
instead. 
Or allow 192.168.0.0/16

>
> I have also tried other allow lines, like allow 192.168.42.0/24 for the
> subnet it is on.  No difference.
>
> I added:
>
> local stratum 10
>
> because it appeared to be in an example.  no difference.
>
> Is there a magic command that has to be in the config to make it work
> as a server?

Nope. Mine words fine as a server. 

>
> Configuration:
>
> driftfile               /var/lib/ntp/ntp.drift
> logdir                  /var/log/ntpstats
> log                     statistics measurements tracking tempcomp
> local stratum           10
> makestep                10 3
> refclock                PPS /dev/pps0
> server 192.168.42.1     iburst
> server 192.168.42.60    iburst
> server 192.168.42.61    iburst
> allow                   0/0
> cmdallow                192.168.42.0/24

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