After using Opmanager to monitor bandwidth for a while now, I yesterday activated the netflow plugin and configures our CISCO ASA accordingly.
Most things seem to work fine beside that the statistics I get seem to be wrong.
We have a 15 MBit line. But the traffic statistics show up to 500 MBit (seen netfow screenshot attached). At the same time, monitoring via SNMP shows the correct information. (see SNMP screenshot).