I'm using snmptrap command to send notifications. It works well,
but it is quite slow.
I noticed it depends on loading all the MIB files. I don't need
MIBs, because I use only numerical OIDs:
snmptrap -v2c -c public 192.168.1.1 "" 1.3.6.1.4.1....
[The uncomplete numerical OID is the notification to send.]
It seems the only method to avoid loading MIBs is to set MIBDIRS
variable to "", so I use the command (everything on the same line):
export MIBDIRS=""; snmptrap -v2c -c public
192.168.1.1 "" 1.3.6.1.4.1....
I receive the prompt in a very short time, and this is good for me.
The trap is effectively and correctly send to the destination. The
only problem is a bunch of error messages like the following:
Cannot find module (IP-MIB): At line 0 in (none)
Cannot find module (IF-MIB): At line 0 in (none)
Cannot find module (TCP-MIB): At line 0 in (none)
Cannot find module (UDP-MIB): At line 0 in (none)
Cannot find module (HOST-RESOURCES-MIB): At line 0 in (none)
Cannot find module (SNMPv2-MIB): At line 0 in (none)
Cannot find module (SNMPv2-SMI): At line 0 in (none)
Cannot find module (NOTIFICATION-LOG-MIB): At line 0 in (none)
Cannot find module (DISMAN-EVENT-MIB): At line 0 in (none)
Cannot find module (DISMAN-SCHEDULE-MIB): At line 0 in (none)
Cannot find module (UCD-SNMP-MIB): At line 0 in (none)
Cannot find module (UCD-DEMO-MIB): At line 0 in (none)
...
Why snmptrap application tries to find those modules, if I use only
numerical OIDs? Could I safely ignore these error messages? I
tried to redirect them to /dev/null, but I couldn't.
I tried with ">/dev/null" and "2>/dev/null" without success.
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