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[NV-L] SNMP Logging - Oddity

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Subject: [NV-L] SNMP Logging - Oddity
From: "Davis, Donald" <donald.davis@firstcitizens.com>
Date: Fri, 9 Mar 2007 14:59:47 -0500
Delivery-date: Fri, 09 Mar 2007 20:07:20 +0000
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Thread-index: AcdihX0z32T5OSI4RfeihMWHDUrLwA==
Thread-topic: SNMP Logging - Oddity
While we are on the subject of SNMP oddities.
This is NOT a NetView problem, but, I thought All on AIX would be interested in this one.
I discovered this one when I rebooted my NetView server for the DST "TZ" environment variable change needed for this weekend.
I am running on AIX 5.2-ML06 and am not able to apply all the patches to AIX required for DST.
I had turned SNMP logging on at one time to try to diagnose a problem with the following settings :
logging                file=/trace/snmpd.log         enabled
logging                size=0                          level=3
When I was finished, I simply changed enabled to disabled, mistakenly thinking this would turn logging off.
logging                file=/trace/snmpd.log         disabled
logging                size=0                          level=3
Changing enabled to disabled stops writing the data to the file but does NOT stop logging.
I rebooted the server with a terminal (Cyclades Terminal Server) connected to tty0.
When the server came up to the Login: prompt I discovered that all of the SNMP traps being received by NetView were being spewed to the console port.  It took me a while to figure out what was happening. I blindly typed stopsrc -s snmpd and the spewing stopped. When I restarted SNMP the spewing started again. To stop the incoming traps from being written to the console, logging must be commented out completely like this.
#logging                file=/trace/snmpd.log         enabled
#logging                size=0                          level=3
Hope this helps someone prevent a little grief. 
I was in panic mode for a few minutes.
Don Davis


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