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# 1  
Old 06-10-2011
SNMP Problem
Hi, basically I'm just looking at the O'Reilly book 'Essential SNMP' and am following one of the examples. The code in the example is:

Code:
#!/usr/bin/perl
use SNMP::Util;
my $MIB1 = $ARGV[0];
my $HOST = $ARGV[1];
($MIB1) && ($HOST) || die "Usage: $0 MIB_OID HOSTNAME";
my $value = &snmpget("$HOST","$MIB1");
if ($value) { print "Results :$MIB1: :$value:\n"; }
else { warn "No response from host :$HOST:\n"; }

And the errors I'm getting are:

Code:
"my" variable $value masks earlier declaration in same statement at /usr/perl5/5.8.4/lib/SNMP/Util.pm line 804.
"my" variable @oid_names masks earlier declaration in same statement at /usr/perl5/5.8.4/lib/SNMP/Util.pm line 1636.
Undefined subroutine &main::snmpget called at ./snmpTest line 8.

Any ideas?
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LEARN ABOUT DEBIAN

snmp::info::layer2::hpvc

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

NAME

       SNMP::Info::Layer2::HPVC - SNMP Interface to HP VirtualConnect Switches

AUTHOR

       Jeroen van Ingen

SYNOPSIS

	# Let SNMP::Info determine the correct subclass for you.
	my $hp = new SNMP::Info(
				 AutoSpecify => 1,
				 Debug	     => 1,
				 DestHost    => 'myswitch',
				 Community   => 'public',
				 Version     => 2
			       )
	   or die "Can't connect to DestHost.
";

	my $class      = $hp->class();
	print "SNMP::Info determined this device to fall under subclass : $class
";

DESCRIPTION

       Provides abstraction to the configuration information obtainable from a HP VirtualConnect Switch via 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 $hp = new SNMP::Info::Layer2::HPVC(...);

   Inherited Classes
       SNMP::Info::Layer2

   Required MIBs
       HPVC-MIB
       CPQSINFO-MIB
       HPVCMODULE-MIB

       All required MIBs can be found in the netdisco-mibs package.

GLOBALS

       These are methods that return scalar value from SNMP

       $hp->os()
	   Returns hpvc

       $hp->os_bin()
	   "cpqHoFwVerVersion.1"

       $hp->os_ver()
	   "cpqHoSWRunningVersion.1"

       $hp->serial()
	   "cpqSiSysSerialNum.0"

       $hp->vendor()
	   hp

       $hp->model()
	   "cpqSiProductName.0"

   Globals imported from SNMP::Info::Layer2
       See documentation in "GLOBALS" in SNMP::Info::Layer2 for details.

TABLE METHODS

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

   Overrides
   Table Methods imported from SNMP::Info::Layer2
       See documentation in "TABLE METHODS" in SNMP::Info::Layer2 for details.

MUNGES

SET METHODS

       These are methods that provide SNMP set functionality for overridden methods or provide a simpler interface to complex set operations.  See
       "SETTING DATA VIA SNMP" in SNMP::Info for general information on set operations.

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