RE: Clarification on logOption in snmptrapd.conf

So I've made a little headway into this. Thought I would post an update as it may help others in the future.

Starting off referencing this bug report:

https://sourceforge.net/p/net-snmp/bugs/2610/

I can confirm that only d,i,7,6 produce any output in the logs. All other priorities do nothing.

I do not see any difference between LOG_INFO and LOG_DEBUG.

I mean LOG_DEBUG should be reporting all the steps.

With a really simple snmptrapd.conf file:

disableAuthorization yes
traphandle default /usr/sbin/snmptthandler

It should at least log that it's executing /usr/sbin/snmptthandler for the trap received.

I've done a lot of troubleshooting of recent and it's clear that a lot is going on with snmptrapd which would be very useful if reported in debug logging.


Does anyone else have the same feelings about this?


From: [email protected]
To: [email protected]
Subject: Clarification on logOption in snmptrapd.conf
Date: Wed, 25 Mar 2015 14:21:58 +1100




I've been playing with the logOption directive for snmptrapd.conf.

When I specify it this way:

logOption f /var/log/snmptrapd.log

I do get traps logged in this file.

However what level of logging is this? Is it just LOG_NOTICE?

Reading the MAN page:

http://www.net-snmp.org/docs/man/snmpcmd.html

Normal output is (or will be!) logged at a priority level of
LOG_NOTICE


But this text seems to follow after the uppercase F option which is for specifying priorities. 

"For
-LF

and
-LS

the priority specification comes before the file or facility token"

So I've tried this:

logOption F d /var/log/snmptrapd.log
or
logOption F 7 /var/log/snmptrapd.log

Which still logs in /var/log/messages.

logOption Fd /var/log/snmptrapd.log
or
logOption F7 /var/log/snmptrapd.log
or
logOption F 0-7 /var/log/snmptrapd.log

Which still logs in /var/log/messages.

logOption F d/var/log/snmptrapd.log
or
logOption F 7/var/log/snmptrapd.log

Which still logs in /var/log/messages.

logOption F pd /var/log/snmptrapd.log
or
logOption F p7 /var/log/snmptrapd.log

Results in "Starting snmptrapd: invalid priority: p"

logOption d F /var/log/snmptrapd.log
or
logOption 7 F /var/log/snmptrapd.log

Results in "Starting snmptrapd: Unknown logging option passed to -L: d." or "Starting snmptrapd: Unknown logging option passed to -L: 7."


So I am pretty confused.

My goal is to have debug logging to a separate file. 
I also want to be able to specify it in the snmptrapd.conf file.


Thanks in advance for all replies.


 		 	   		  

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