Kent Borg <[EMAIL PROTECTED]> writes:

>> > [root@mail etc]# ntptrace
>> > localhost.localdomain: stratum 16, offset 0.000033, synch distance
>> > 0.00005
>> > 0.0.0.0:        *Not Synchronized*
>> >
>> > Does it work? or not work?
>> > How do I know it?
>
> Recently I have fired up a new RH 7.3 machine and I would like to have
> it sync to the basement machine--but it won't.  
>
>   [root@tb rpm]# ntpq -p
>        remote           refid      st t when poll reach   delay   offset  jitter
>   ==============================================================================
>    borg.org        0.0.0.0         16 u    - 1024    0    0.000    0.000 4000.00
>   [root@tb rpm]# 
>

Looking at what is happening on the network
  tcpdump -i eth0 -s 1600 -vv port ntp
helps me a lot in those cases. 
(Substitute appropriate interface for eth0.)

Look at what happens when you restart ntpd, or while doing ntptrace.

I do not know what RH's default firewall rules do with ntp - might be
worth a look. Also, maybe they have some kind of "reject all" acl
entry in ntpd's config file.


So long,
   Joe

-- 
"I use emacs, which might be thought of as a thermonuclear
 word processor."
-- Neal Stephenson, "In the beginning... was the command line"



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