#!/usr/local/bin/perl
use strict;
use warnings;
use Net::SNMP;

my $OID_sysUpTime = '1.3.6.1.2.1.1.3.0';

my ($session, $error) = Net::SNMP->session(
    -hostname  => shift || '127.0.0.1',
    -community => shift || 'public',
);

if (!defined $session) {
    printf "ERROR: %s.\n", $error;
    exit 1;
}

my $result = $session->get_request(-varbindlist => [ $OID_sysUpTime ],);

if (!defined $result) {
    printf "ERROR: %s.\n", $session->error();
    $session->close();
    exit 1;
}

printf "The sysUpTime for host '%s' is %s.\n",
$session->hostname(), $result->{$OID_sysUpTime};

$session->close();

exit 0;