Monitoring solutions usually provide a limited set of metrics - those metrics which a solution vendor does provides.
So there are Web Monitoring Solutions in the industry - or solutions providing a great set of tcp metrics like retransmissions, windows size, tcp resets etc.
But what - if urgently required metrics are not covered by those tools?
- Identify the metric in wireshark - to understand the syntax and the outcome
- Create a metric in interTrace with the same syntax
- Select the new metrics for your profiles and start watching