Specifications
9031398 E3 Ethernet Modules
A-9
Ethernet Module Icon
Accesses two more color-coded pie charts displaying additional statistics,
including a breakdown of frames. Three buttons at the bottom of each graph
allow selection of the way in which data is represented (Total, Delta, and
Accum). Another button, Clear, works in conjunction with the Accum button.
For more information on these buttons, refer to the SPECTRUM Views.
Table A-6 and Table A-7 list the information provided by these pie charts. This
view also has the Local Channel field, as described above.
Additional Statistics
Table A-6. Additional Frame Breakdown Pie Chart Definitions
Statistic Definition
Bcast Frames The total number of broadcast frames detected on this local
channel.
Mcast Frames The total number of multicast frames detected on this local channel.
Total (5378-F) Total frames in this cluster.
Table A-7. Additional Statistics Pie Chart Definitions
Statistic Definition
Fragments The total number of fragmented frames detected on this local
channel.
Long Events The number of times that MAU jabber lockup protection (MJLP)
was detected due to transmission of data that exceeded 5 msec in
duration (Octet count greater than MaxFrame size). This
information can be useful in identifying faulty stations.
Short Events The number of fragments detected with ActivityDuration less
than ShortEventMaxTime. ShortEventMaxTime is greater than
74 bit times and less than 82 bit times.
Rate Mismatches The number of occurrences of out of spec rate bits. This indicates
the number of times the FIFO buffer over-runs or under-runs due
to transmission rate errors.
Backoff Fails The number of times a frame was received on this port with
collision and port activity time of a value greater than 552 to 560
bit time.
Auto Partitions The number of times that this local channel was auto-partitioned
by the hardware. This condition occurs when 32 consecutive
collisions are detected on the port.
Short IPGs The number of occurrences of too short IPGs (Inter-Packet Gaps
before good packets) detected.