On Oct 17, 2006, at 3:25 PM, Roberto C. Sanchez wrote:
On Mon, Oct 16, 2006 at 08:02:12PM -0300, Henrique de Moraes
Holschuh wrote:
Any NTP drift above half a second means something is completely
broken, so
*none* of your client machines are working fine. The two servers
seem to
work right. Make sure to also configure the two servers to *peer*
each
other, btw.
Do you mean to add them as servers that each queries. So, on
server1, I
would put server2 as one of its servers and vice versa?
Not exactly... Let your two servers be "s1" and "s2". On "s1",
replace "server s2" in the ntp.conf file, with "peer s2". And vice
versa, in server "s2" put "peer s1".
That will cause each of them to treat each other symmetrically as
coequals.
The details are all in /usr/share/doc/ntp-doc/html/ . In particular,
look in "assoc.htl#symact" for a discussion of the difference between
"peer" and "server".
Are your NTP servers configured to allow the other client machines
(the two
desktops and the laptop) to establish a client relationship with
them? What
does ntpq -p outputs on the client machines?
$ ntpq -p
remote refid st t when poll reach delay
offset jitter
======================================================================
========
yauco.connexer. .INIT. 16 u - 1024 0 0.000
0.000 4000.00
maracaibo.conne .INIT. 16 u - 1024 0 0.000
0.000 4000.00
Those are my two ntp server.
Your clients are not connecting with your servers. The "reach"
column is an 8-bit map with a 1 bit for each successful transaction
with that server (or peer), and a 0 bit for each unsuccessful attempt
at a transaction. So "reach=0" means that the client has not yet
succeeded in getting an answer from the server in the last eight
trys. Do you have any "restrict" lines in your ntp.conf files
(client or server)? If you do, make sure they are doing what you
want them to do.
The details are all in /usr/share/doc/ntp-doc/html/ . In
particular, read "accopt.html" for explanation of access control
options.
Rick
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