The data for the summary page is created by the Bash shell script /home/cactiuser/scripts/fix_trunks.sh on prod-cacti01-fra-de.geant.net. This script is called from the  /home/cactiuser/scripts/fix_monthly_utilisation.sh mentioned in section 3.2 Utilisation.

The results can be reviewed at this URL: http://test-msr.geant.net:8888/msr/ms_trunks_new.jsp

The main tables used are reports.report_utilization and reports.opsdb_circuit