On Fri, 28 Sep 2012, Jummo wrote:
> /usr/lib64/nagios/plugins/check_snmp -H 10.10.10.1 -o sysUpTime.0 -m \
> RFC1213-MIB -c 60000:
>
> Everythings fine so far. But if the uptime (timeticks) less than 60000
> the plugin still reports OK. I have tested it with 1913796445: as
> critical threshold.
Try using 60000:0 as the final argument.
t1:~ >. /usr/local/icinga/libexec/check_snmp -H 192.168.1.14 -o \
sysUpTime.0 -m RFC1213-MIB -c 60000:0
SNMP OK - 165777776 | RFC1213-MIB::sysUpTime.0=165777776
t1:~ >. /usr/local/icinga/libexec/check_snmp -H 192.168.1.14 -o \
sysUpTime.0 -m RFC1213-MIB -c 60000:0
SNMP CRITICAL - *787* | RFC1213-MIB::sysUpTime.0=787
t1:~ >. echo $?
2
t1:~ >.
I restarted the SNMP agent on one of my systems between
the two check_snmp invocations to reset the uptime datum.
One thing worth noting is that this check will throw false-
positives when the (signed) 32-bit counter rolls on systems that
stay up for very long periods of time. Too, in order to actually
catch a system in that state your retry count and interval will
need to be rather aggressively set in order to send alerts based
on that datum -- and this *will* result in notifications on the
above-mentioned false-positve.
Cheers!
+------------------------------------------------+---------------------+
| Carl Richard Friend (UNIX Sysadmin) | West Boylston |
| Minicomputer Collector / Enthusiast | Massachusetts, USA |
| mailto:crfri...@rcn.com +---------------------+
| http://users.rcn.com/crfriend/museum | ICBM: 42:22N 71:47W |
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