On May 20, 2008, at 20:25, Filipe Brandenburger wrote:
> What is the output of "ntpq -np" ? You should have a line with a star
> (*), otherwise it is not synchronizing. Start running NTP again, wait
> for half an hour and issue that command to see what your output is. It
> could be a problem related to filtering UDP traffic, either with
> iptables on the machine itself, or some other router in the network
> your machine is in.
Bad system:
# ntpq -np
remote refid st t when poll reach delay
offset jitter
========================================================================
======
10.101.32.104 67.128.71.65 3 u 689 1024 377 0.659
54095.7 4263.68
*127.127.1.0 .LOCL. 10 l 28 64 377 0.000
0.000 0.001
Good system:
# ntpq -np
remote refid st t when poll reach delay
offset jitter
========================================================================
======
*10.101.32.104 67.128.71.65 3 u 232 256 377 0.280
15.503 1.204
127.127.1.0 .LOCL. 10 l 64 64 377 0.000
0.000 0.001
The bad system is synch'ing with itself (which was apparent from the
messages in /var/log/messages). The question is why?
Alfred