The BRS bit decides whether the optional higher bit rate in the data phase of a CAN FD frame is used.
Both, arbitration and data phase bit rate are configured in the Network Hardware Configuration.
If a DBC database is used the BRS Bit is set per default. If no DBC database is used then the BRS bit has to be separately enabled like indicated below.
With CANoe/CANalyzer there are two possibilities to generate CAN FD frames: