For trTCM, the maximum burst size parameter specifies the maximum burst size that can be transmitted by the source at the PIR while complying with the PIR. If the transmitted burst is lower than the MBS value, the packets are marked as out-profile by the meter to indicate that the traffic is not complying with CIR, but complying with PIR.
For srTCM, the maximum burst size parameter specifies the maximum burst size that can be transmitted by the source while not complying with the CIR. If the transmitted burst is lower than the MBS value, the packets are marked as out-profile by the meter to indicate that the traffic is not complying with CIR. If the packet burst is higher than MBS, packets that are marked as red are dropped.
The operational MBS set by the system is adapted from the user-configured value by using the minimum constraint.
See Table: Supported hardware rates and burst step sizes for CIR and PIR values on the 7210 SAS-Mxp, 7210 SAS-R6, 7210 SAS-R12, 7210 SAS-Sx/S 1/10GE, and 7210 SAS-T for information about the burst parameter step-size.