3Com SuperStack II Guide

124 C
HAPTER
4: W
ORKING
W
ITH THE
C
OMMAND
L
INE
I
NTERFACE
Figure 29
Ethernet Statistics
The following statistical information is displayed:
Received Stats
■
Unicast Packets
— Displays the number of packets with a single
destination address that have been successfully received by the port.
■
Non Unicast Packets
— Displays the number of packets with a
multicast or broadcast destination address that have been received by
the port.
■
Octets
— Displays the number of octets (8 bit units) that have been
received by the port. The octets calculation includes the MAC header
and the Cyclical Redundancy Check (CRC), but excludes the
preamble/Start-of-Frame Delimiter.
■
Fragments
— Displays the number of incomplete packets that have
been received by the port; that is, the number of packets that:
■
Did not contain a whole number of octets, or had a bad Frame
Check Sequence (FCS).
■
Contained less than 64 octets (including FCS octets, but excluding
the preamble/Start-of-Frame Delimiter).
Port: 1 Port Speed: 10Mbps HD Auto
Received Stats
Unicast Packets:
Non Unicast Packets:
Octets:
Fragments:
0
0
0
0
Transmit Stats
Unicast Packets:
Non Unicast Packets:
Octets:
Collisions:
50
18734
1397087
0
Errors
Undersize:
CRC Errors:
0
0
Oversize
Jabbers
0
0
Packet Size Analysis
64 Octets:
65 to 127 Octets:
128 to 255 Octets:
13752
4404
623
256 to 511 Octets:
512 to 1023 Octets:
1024 to 1518 Octets:
5
0
00

3Com SuperStack II Specifications

General

Brand	3Com
Model	SuperStack II
Category	Switch
Language	English