Traffic Statistics With Receive And Transmit Values - HP 316095-B21 - StorageWorks Edge Switch 2/24 User Manual

Monitoring and Managing the Switch

Traffic Statistics with Receive and Transmit Values

This section describes the types of statistics that display when you click a port's
bar graph:
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Delimiter errors
The number of times that the switch detected an unrecognized start-of-frame
(SOF), an unrecognized end-of-frame (EOF) delimiter, or an invalid class of
service. This indicates that the frame arrived at the switch's port corrupted.
This corruption can be due to plugging/unplugging the link, bad optics at
either end of the cable, bad cable, or dirty or poor connections. Moving the
connection around or replacing cables can isolate the problem.
Address ID errors
A received frame had an unavailable or invalid Fibre Channel destination
address, or an invalid Fibre Channel source address. This typically indicates
the destination device is unavailable.
Frames too short
A received frame exceeded the Fibre Channel frame maximum size or was
less than the Fibre Channel minimum size, indicating the frame arrived at the
switch's port corrupted. Frame corruption may be caused by device
disconnection, an optical transceiver failure at the device, a bad fiber-optic
cable, or a poor cable connection.
Link utilization%
There is a separate value for transmit and receive link utilization. The larger of
these two values displays on the bar graph.
The current link utilization for the port is expressed as a percentage. Each port
can transmit or receive data at 100 Megabytes (MB) per second. This statistic
shows the percentage of the maximum link utilization currently being used.
Link utilization is calculated over one-second intervals. The maximum link
utilization is 100%.
Frames
The number of frames that the port has received or transmitted.
Transmitted Frames
The number of Class 2 frames transmitted by the F-Port to its attached
N_Port.
Edge Switch 2/24 Product Manager User Guide