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724-746-5500 | blackbox.com
724-746-5500 | blackbox.com
Page 45
Chapter 3: Configuration
Receive and Transmit Size Counters: The number of (good and bad) packets split into categories that have been received and
transmitted based on their respective frame sizes.
Receive and Transmit Queue Counters: The number of packets per input and output queue received and transmitted.
Receive Queue Counters:
• Rx Drops: The number of frames dropped because of 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 Queue Counters:
• Tx Drops: The number of frames dropped because of output buffer congestion.
• Tx Late/Exc. Coll.: The number of frames dropped because of excessive or late collisions.
• Auto-refresh: Check to refresh the Queuing Counters automatically.
• Icon, upper right of screen (Refresh, clear): Click to refresh the Port Detail Statistics or clear them manually.
LGB1108A