Draytek Vigor2926L User Manual page 682

Analyze – Click it to perform the job of analyzing. The
analyzed result will be shown on the page. If required, click
export analysis to export the result as a file.
Note that the analysis was based on the current
"load-balance/route policy" settings, we do not guarantee it
will be 100% the same as the real case.
666 Vigor2926 Series User's Guide