Counters

Counters are maintained per table, per flow, per port, and per queue. Counters wrap around with no overflow indicator. The required set of counters is summarized in the following screenshot. The phrase byte in this screenshot (and throughout this book) refers to an 8 bit octet. Duration refers to the time the flow has been installed in the flow table of the switch.

The receive errors field includes all explicitly specified errors, including the frame, overrun, and CRC errors, plus any others: