Stackable NWay Ethernet Switch User’s Guide
Using the Console Interface 93
♦
Mac Rx Error
The number of frames with received MAC Errors.
♦
Dropped Frames
The number of frames which are dropped by this port since the last Switch reboot.
♦
Undersize Frames
The number of frames detected that are less than the minimum permitted frame
size of 64 bytes and have a good CRC. Undersize frames usually indicate collision fragments, a normal
network occurrence.
♦
Total errors
The sum of the CRC Error, Oversize, Bad Fragment, Jabber, Late Collision, Mac Rx
Error, Dropped Frames, and Undersize Frames counters.
♦
Collisions
The number of times packets have collided on this port.
Port Packet Analysis Statistics
To access the fourth item on the
Traffic Statistics
menu, choose
Port
Packet
Analysis Statistics
. The
following table appears:
Figure 6-49. Packet Analysis Statistics table
Select the desired device in the
Switch
field, the desired port in the
Port
field, and the desired increment
setting in the
Update Interval
field:
5 sec
,
15 sec
,
30 sec
,
1 min
, or
Suspend
.
The statistic counters displayed are defined as follows:
♦
64
,
65-127
,
128-255
,
256-511
,
512-1023
,
1024-1536
The number of good frames of various length
ranges, both valid and invalid.
