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Cabletron Systems SmartSTACK ELH100 User Manual

Page 67

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ELH100-12/24TX User Interface 49

Figure 3-19. Detailed Hub Statistics Screen

Hub 1 Statistics

=================

Statistic

10 Mb/s Segment

100 Mb/s Segment

------------- -------------- --------------

Readable Frames

433

763985

Readable Octets

86057

116973315

CRC Errors

0

6

Alignment Errors

0

1

Frames Too Long

0

0

Short Events

0

612

Runts

0

3

Collisions

2

425

Late Events

0

1

Data Rate Mismatch

0

0

Auto Partitions

0

1

Total Errors

0

620

Press to refresh this hub's statistics screen

Use or cursor keys to move, to select

Field

Description

Readable Frames

Number of good frames passing through the hub.

Readable Octets

Number of good octets passing through the hub.

CRC Errors

Number of CRC errors detected by the hub.

Alignment Errors

The number of mis-synchronized data packets detected by the hub.

Frames Too Long

Number of times frame length has exceeded the maximum
allowable size (that is, 1518 bytes).

Short Events

Number of short fragments.

Runts

Number of fragments (that were too long to qualify as short events).

Collisions

Number of simultaneous node transmissions detected by the hub.

Late Events

Number of frames where a collision occurred late in the transmission.

Data Rate
Mismatch

Number of frames for which the data rate does not match the local
frequency.

Auto Partitions

Number of times the hub has automatically partitioned ports due to
jabber.

Total Errors

Total number of errors, including FCS, Alignment, Frames Too
Long, Short Events, Late Events, Jabber, and Data Rate
Mismatches detected on the hub.

Refresh Statistics

Refreshes the displayed statistics.

Auto-Refresh
Statistics

Refreshes statistics at the interval specified in Console
Configuration.

Reset Hub
Statistics

Resets the statistics counter for all items to zero.