Nagios Support Forum

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/var/log/snmptt/snmptt.log
Mon Apr 25 16:30:22 2016 .1.3.6.1.6.3.1.1.5.3 Critical "Status Events" ncdev - Link down on interface eth2.  Admin state: $2.  Operational state: $3

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SNMP TrapsPassive Only Check	Pending	N/A	1/1	N/A	No check results for service yet...

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/etc/snmp/snmptt.conf
#
#
#
EVENT linkDown .1.3.6.1.6.3.1.1.5.3 "Status Events" Critical
FORMAT Link down on interface $1.  Admin state: $2.  Operational state: $3
#EXEC qpage -f TRAP notifygroup1  "Link down on interface $1.  Admin state: $2.  Operational state: $3"
SDESC
A linkDown trap signifies that the SNMP entity, acting in
an agent role, has detected that the ifOperStatus object for
one of its communication links is about to enter the down
state from some other state (but not from the notPresent
state).  This other state is indicated by the included value
of ifOperStatus.
EDESC
#
#
#

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snmptrap -v 2c -c public <nagioserverip> '' .1.3.6.1.6.3.1.1.5.3 .1.3.6.1.6.3.1.1.5.3 s "eth2"

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EXEC /usr/local/bin/snmptraphandling.py "$r" "SNMP Traps" "$s" "$@" "$-*" "Link down on interface $1.  Admin state: $2.  Operational state: $3"

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EXEC:

[EXEC command_string]
There can be multiple EXEC lines per EVENT.

Optional string containing a command to execute when trap is received and arguments to pass to the program.  The EXEC lines are executed in the order that they appear.