This is the blog of Ronald Bartels that wanders on and off the subject of problem management (that is how it started), but it is best described by Ray who says this is Daddy's thoughts! Like the best music is from the Eighties and a wee dram helps in solving most inconveniences.
Monitoring a network link from zero within a few minutes
Most people have broadband connections and when troubleshooting a
problem the first port of call is to view the utilization on the link.
Much like the dashboard of a car. Determining what is using the link is
another matter but let us first start and see if it is highly utilized
and this will clarify whether it is congested on not.