Cabletron Systems MMAC-Plus 9H421-12 Supplementary Manual

Also see for MMAC-Plus 9H421-12: User guide

Contents

7Port Statistics Screen FieldsThe following explains each Port Statistics Screen field.Port # (Read-only)Indicates the current port for which statistics are displayed.Octets (Read-only)Displays the number of octets transmitted and received.Packets (Read-only)Displays the number of packets 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 bad FCS (Frame Check Sequence) packets with integralnumber of octets that have been received from the network. Alignment errors aredue to a bad FCS with a non-integral number of octets.Undersize Packets (Read-only)Displays the number of packets received whose size was less than the minimumEthernet 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 total number of packets received that were not an integral number ofoctets in length or that had a bad Frame Check Sequence (FCS), and were lessthan 64 octets in length (excluding framing bits but including FCS octets).Jabbers (Read-only)Displays the number of packets received whose size exceeded 1518 data bytes,and had a bad FCS with an integral number of octets, or a bad FCS with a non-integral number of octets.Broadcasts (Read-only)Displays the number of broadcasts transmitted and received.

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