My goal is to implement a network monitoring and management in ISP environment. What should I do first?
What should I monitor?
What exact SNMP counters are bad or good?
How other ISPs monitor theirs networks?
What software should I use?
What are the best practices?
Our products are: Internet access, VPNs and VoIP. Our network comprises multivendor equipment. At the moment we use MRTG ony.