my ($remote_snmp_session,$error);
($remote_snmp_session,$error) = Net::SNMP->session(Hostname=>"localhost",Community=>"public");

my ($value,$result);
my $oid = "1.3.6.1.4.1.314.50.1.20.3.50.1";
##here's the problem##
$result = $remote_snmp_session->get_request($iod) || die "Problem:$!", $remote_snmp_session->error;