http://qs321.pair.com?node_id=1060166


in reply to Re^8: Net::SNMP ASN1 Type error
in thread Net::SNMP ASN1 Type error

I also had this problem and found that I was able to fix it like this:
my $result = $modemSession->set_request(-varbindlist => ['1.3.6.1.2.1. +69.1.1.3.0', Net::SNMP::INTEGER, 1]);