Darren Dunham wrote:

This machine is not responding.  It may not be running ntpd, or the
communication may be blocked in some manner (restrictions on the server,
firewall on the network, etc.)

Yes, the ntpd daemon is only listen no 127.0.0.1. I did a test, please look:

1- On host 10.0.0.91, in /etc/ntp.conf, I've added:
restrict 10.0.0.173 nomodify

2- On host 10.0.0.173, now I can run this command:

trinity:~# ntpq -p 10.0.0.91
remote refid st t when poll reach delay offset jitter
==============================================================================
10.0.0.91 .INIT. 16 u - 64 0 0.000 0.000 4000.00

3- Still on host 10.0.0.173, I re-synchronized with my NTP server (is the 10.0.0.91):

trinity:~# /etc/init.d/ntpdate restart
Running ntpdate to synchronize clock.

4- When I try compare my clock my the NTP server, I get this error:

 trinity:~# ./check_ntp -v -H 10.0.0.91
ntperr = 0
remote refid st t when poll reach delay offset jitter
No match!
==============================================================================
No match!
10.0.0.91 .INIT. 16 u - 256 0 0.000 0.000 4000.00
No match!
Argument "(not parsed)" isn't numeric in abs at /.../bin-1.4.2/libexec/check_ntp line 355.
NTP WARNING: Desynchronized peer server found

You (list), know how can I solve this another problem?
Many thanks!


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