Cabletron Systems 8H02-16 manual Displays the number of bytes transmitted and received

Chapter 6: Local Management

The following definitions explain each field of the Port Statistics screen:

Port # (Selectable)

Indicates the current port for which statistics are displayed. To select a port, refer to Section 6.20.1.

Bytes (Read-only)

Displays the number of bytes transmitted and received.

Frames (Read-only)

Displays the number of frames transmitted and received.

Total Errors (Read-only)

Displays the total number of errors on this port.

Collisions (Read-only)

Displays the total number of collisions detected on this port.

CRC/Alignment Errors (Read-only)

Displays the number of packets with bad Cyclic Redundancy Checks (CRC) received from the network. The CRC is a 4-byte field in the data packet that ensures that the data that is received is the same as the data that was originally sent. Alignment errors are due to misaligned packets.

Undersize Packets (Read-only)

Displays the number of packets received whose size was less than the minimum Ethernet frame size of 64 bytes, not including preamble.

Oversize Packets (Read-only)

Displays the number of packets received whose size exceeded 1518 data bytes, not including preamble.

Fragments (Read-only)

Displays the number of received packets that are not the minimum number of bytes in length or received packets that had a bad Frame Check Sequence (FCS) and were less than 64 bytes in length (excluding framing bits, but including FCS bytes).

Jabbers (Read-only)

Displays the total number of Jabber conditions detected on this port.

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