Required CPAN Modules for Mon

#perl -MCPAN -e shell
cpan>install Time::Period
cpan>install Time::HiRes
cpan>install Convert::BER
cpan>install Mon::Protocol
cpan>install Mon::SNMP
cpan>install Mon::Client

And, depending upon what you want to monitor, you may also wish to install the following optional modules:
cpan>install Filesys::DiskSpace
cpan>install Net::Telnet
cpan>install Net::LDAPapi
cpan>install Net::DNS
cpan>install SNMP