check_ntp_time : "Offset Unknown" for any host since yesterday

Toussaint OTTAVI t.ottavi at medi.fr
Tue Dec 30 18:44:51 CET 2008


Hi,

I've been using check_ntp_time plugin to check the time offset of all my 
time servers. It's been working perfectly for a while.

Last night (29 to 30/12 at 00:00), all the checks start having the same 
behavior quite at the same time. All of them return :
" NTP CRITICAL: Offset unknown"

Of course, all the time servers are running, and their time is accurate. 
I can't understand why all the checks start failing all at the same time.

Here's an example output below. Thank you in advance for any advice. 
Kind regards
-- 

*Toussaint OTTAVI*
*MEDI INFORMATIQUE*
***Mail:* t.ottavi at medi.fr


serveurlinux:/usr/lib/nagios/plugins # check_ntp_time -H 10.0.0.4 -v
sending request to peer 0
response from peer 0: offset 0.3197530025
sending request to peer 0
response from peer 0: offset 0.3188920024
sending request to peer 0
response from peer 0: offset 0.3346090025
sending request to peer 0
response from peer 0: offset 0.3337990025
discarding peer id 0: flags=1
overall average offset: 0
NTP CRITICAL: Offset unknown|

serveurlinux:/usr/lib/nagios/plugins # check_ntp_time -H 
ntp2.usno.navy.mil -v
sending request to peer 0
response from peer 0: offset 0.0600928269
sending request to peer 0
response from peer 0: offset 0.06049711903
sending request to peer 0
re-sending request to peer 0
response from peer 0: offset 0.06112928403
sending request to peer 0
response from peer 0: offset 0.05989775999
discarding peer id 0: flags=1
overall average offset: 0
NTP CRITICAL: Offset unknown|

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