Black Box LPB2910A, User Manual

Page: 232 / 367

Publication date: Sept, 2015
Revision A1
220
indicating a PAUSE operation.
Receive and Transmit Size Counters
The number of received and transmitted (good and bad) packets split into categories based on their
respective frame sizes.
Receive and Transmit Queue Counters
The number of received and transmitted packets per input and output queue.
Receive Error Counters

Rx Drops:
The number of frames dropped due to lack of receive buffers or egress congestion.

Rx CRC/Alignment:
The number of frames received with CRC or alignment errors.

Rx Undersize:
The number of short 1 frames received with valid CRC.

Rx Oversize:
The number of long 2 frames received with valid CRC.

Rx Fragments:
The number of short 1 frames received with invalid CRC.

Rx Jabber:
The number of long 2 frames received with invalid CRC.

Rx Filtered:
The number of received frames filtered by the forwarding process.
Short frames are frames that are smaller than 64 bytes.
Long frames are frames that are longer than the configured maximum frame length for this port.
Transmit Error Counters

Tx Drops:
The number of frames dropped due to output buffer congestion.
 Tx Late/Exc. Coll.:
The number of frames dropped due to excessive or late collisions.
 Auto-­‐refresh:
Click auto-­‐refresh to refresh the Queuing Counters automatically.

Upper right icon (Refresh, clear)
Click to refresh the Port Detail Statistics or clear them manually.
 Buttons
Auto-­‐refresh: Check this box to refresh the page automatically. Automatic refresh occurs every 3
seconds.
Clear: Clears the counters for the selected port.
Refresh: Click to refresh the page.