When using certain OIDs with check_snmp the performance data after the '|' (pipe) is not being written because of the "Timeticks(n)" label. Currently, it will see that the output it is not an integer and it will not be displayed.
$ /usr/lib/nagios/plugins/check_snmp -H localhost -C public -o .1.3.6.1.2.1.25.1.1.0 SNMP OK - Timeticks: (112941395) 13 days, 1:43:33.95 | See also https://github.com/nagios-plugins/nagios-plugins/issues/108 You can view, comment on, or merge this pull request online at: https://github.com/monitoring-plugins/monitoring-plugins/pull/1369 -- Commit Summary -- * Timeticks are not being parsed correctly before performance data -- File Changes -- M plugins/check_snmp.c (5) -- Patch Links -- https://github.com/monitoring-plugins/monitoring-plugins/pull/1369.patch https://github.com/monitoring-plugins/monitoring-plugins/pull/1369.diff -- Reply to this email on GitHub: https://github.com/monitoring-plugins/monitoring-plugins/pull/1369