Quick Reference Guide

56 | System Management Commands
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Broadcast Packets Transmitted The total number of packets that higher-level protocols requested be
transmitted to the Broadcast address, including those that were
discarded or not sent
Transmit Errors
Total Transmit Errors The sum of Single, Multiple, and Excessive Collisions
FCS Errors The total number of packets transmitted that had a length (excluding
framing bits, but including FCS octets) of between 64 and 1518
octets, inclusive, but had a bad Frame Check Sequence (FCS) with
an integral number of octets
Tx Oversized The total number of frames that exceeded the max permitted frame
size. This counter has a max increment rate of 815 counts per sec. at
10 Mb/s.
Underrun Errors The total number of frames discarded because the transmit FIFO
buffer became empty during frame transmission
Total Transmit Packets Discarded The sum of single collision frames discarded, multiple collision
frames discarded, and excessive frames discarded
Single Collision Frames A count of the number of successfully transmitted frames on a
particular interface for which transmission is inhibited by exactly
one collision
Multiple Collision Frames A count of the number of successfully transmitted frames on a
particular interface for which transmission is inhibited by more than
one collision
Excessive Collision Frames A count of frames for which transmission on a particular interface
fails due to excessive collisions
Port Membership Discards The number of frames discarded on egress for this port due to egress
filtering being enabled
Protocol Statistics
BPDU's received The count of BPDUs (Bridge Protocol Data Units) received in the
spanning tree layer
BPDU's Transmitted The count of BPDUs (Bridge Protocol Data Units) transmitted from
the spanning tree layer
802.3x Pause Frames Transmitted A count of MAC Control frames received on this interface with an
opcode indicating the PAUSE operation. This counter does not
increment when the interface is operating in half-duplex mode.
GVRP PDUs received The count of GVRP PDUs received in the GARP layer
GVRP PDUs Transmitted The count of GVRP PDUs transmitted from the GARP layer
GVRP Failed Registrations The number of times attempted GVRP registrations could not be
completed
GMRP PDUs received The count of GMRP PDU's received in the GARP layer
GMRP PDUs Transmitted The count of GMRP PDU's transmitted from the GARP layer
GMRP Failed Registrations The number of times attempted GMRP registrations could not be
completed
STP BPDUs Transmitted Spanning Tree Protocol Bridge Protocol Data Units sent
STP BPDUs Received Spanning Tree Protocol Bridge Protocol Data Units received
Table 5-8. Fields in Output of show interface ethernet unit/slot/port Command
Field Description