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Full Discussion: AIX native SNMP producing limited results when walking MIB tree
Operating Systems AIX AIX native SNMP producing limited results when walking MIB tree Post 302997198 by davix on Tuesday 9th of May 2017 01:42:59 PM
Old 05-09-2017
AIX native SNMP producing limited results when walking MIB tree
The company I work for has various AIX servers that I've recently migrated to AIX 7.1 (from 6.1). Some are powerHA clusters some are not. Likewise, the systems engineer that I replaced had net-snmp installed on said clustered systems. Long story short I am re-invoking AIX's native SNMP (v3) for use with our enterprise monitoring applications and have found that our clustered servers are producing limited results when walking the MIB tree. Even using v1 or v2, same results.

Now I'm not sure that powerHA clustering has anything to do with it, or the fact that NET-SNMP was also installed, but without fail, the clustered servers produce only a little over 200 results when running:

Code:
clsnmp -h snmpUsr walk 1.3 | wc -l
     236

My other systems, with the exact same OS version and configuration (minus powerHA and the pre-existence of NET-SNMP) produce thousands of results:

Code:
clsnmp -h snmpUsr walk 1.3 | wc -l
    10254

I've validated SRC properties, mib files, conf files, etc and can find no real differences between the 2 servers exampled above - again other than powerHA and the pre-existence of NET-SNMP. The limited results are hindering SNMP monitoring obviously. Any thoughts on what I'm missing in regards to my limited results in the first example?

If any conf or log output helps, I'd be more than happy to oblige.

Thanks in advance.
Last edited by RudiC; 05-09-2017 at 06:33 PM..
 

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LEARN ABOUT DEBIAN

snmp::info::layer2::n2270

Info::Layer2::N2270(3pm)				User Contributed Perl Documentation				  Info::Layer2::N2270(3pm)

NAME

       SNMP::Info::Layer2::N2270 - SNMP Interface to Nortel 2270 Series Wireless Switch

AUTHOR

       Eric Miller

SYNOPSIS

	   #Let SNMP::Info determine the correct subclass for you.

	   my $n2270 = new SNMP::Info(
				 AutoSpecify => 1,
				 Debug	     => 1,
				 DestHost    => 'myswitch',
				 Community   => 'public',
				 Version     => 2
			       )

	   or die "Can't connect to DestHost.
";

	   my $class = $n2270->class();
	   print " Using device sub class : $class
";

DESCRIPTION

       Provides abstraction to the configuration information obtainable from a Nortel 2270 Series Wireless Switch through SNMP.

       For speed or debugging purposes you can call the subclass directly, but not after determining a more specific class using the method above.

       my $n2270 = new SNMP::Info::Layer2::N2270(...);

   Inherited Classes
       SNMP::Info
       SNMP::Info::Bridge
       SNMP::Info::SONMP
       SNMP::Info::Airespace

   Required MIBs
       Inherited Classes' MIBs
	   See "Required MIBs" in SNMP::Info for its own MIB requirements.

	   See "Required MIBs" in SNMP::Info::Bridge for its own MIB requirements.

	   See "Required MIBs" in SNMP::Info::SONMP for its own MIB requirements.

	   See "Required MIBs" in SNMP::Info::Airespace for its own MIB requirements.

GLOBALS

       These are methods that return scalar value from SNMP

       $n2270->vendor()
	   Returns 'nortel'

       $n2270->os()
	   Returns 'nortel'

       $n2270->model()
	   Cross references $bayhub->id() to the SYNOPTICS-ROOT-MIB and returns the results.

	   Removes "sreg-WLANSecuritySwitch" from the model name

   Overrides
       $bayhub->index_factor()
	   Required by SNMP::Info::SONMP.  Number representing the number of ports reserved per slot within the device MIB.  Returns 256.

       $bayhub->slot_offset()
	   Required by SNMP::Info::SONMP.  Offset if slot numbering does not start at 0.  Returns 0.

   Globals imported from SNMP::Info
       See documentation in "GLOBALS" in SNMP::Info for details.

   Globals imported from SNMP::Info::Bridge
       See documentation in "GLOBALS" in SNMP::Info::Bridge for details.

   Global Methods imported from SNMP::Info::SONMP
       See documentation in "GLOBALS" in SNMP::Info::SONMP for details.

   Global Methods imported from SNMP::Info::Airespace
       See documentation in "GLOBALS" in SNMP::Info::Airespace for details.

TABLE METHODS

       These are methods that return tables of information in the form of a reference to a hash.

   Overrides
       None

   Table Methods imported from SNMP::Info
       See documentation in "TABLE METHODS" in SNMP::Info for details.

   Table Methods imported from SNMP::Info::Bridge
       See documentation in "TABLE METHODS" in SNMP::Info::Bridge for details.

   Table Methods imported from SNMP::Info::SONMP
       See documentation in "TABLE METHODS" in SNMP::Info::SONMP for details.

   Table Methods imported from SNMP::Info::Airespace
       See documentation in "TABLE METHODS" in SNMP::Info::Airespace for details.

perl v5.12.4							    2011-09-28						  Info::Layer2::N2270(3pm)
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