MRTG as it is distributed contains several perl modules created by other people. The Plain Perl SNMP Code from Simon Leinen <simon@switch.ch> SNMP_Session.pm BER.pm --> http://www.switch.ch/misc/leinen/snmp/perl/ The SNMP Utilities module from Mike Mitchell <Mike.Mitchell@sas.com> SNMP_util.pm --> this is distributed together with SNMP_Session.pm The PodParser Module from Brad Appleton <bradapp@enteract.com> Pod/*.pm --> CPAN/modules/by-module/Pod/BRADAPP/ (Included with perl 5.6) Thanks very much tobi