edge switch 2/32 product manager user guide

2–32 edge switch 2/32 product manager user guide
Monitoring and Managing the Switch
Port Statistics
To select and display more detailed performance information for a port, click the
port’s bar graph. The bar graph for that port highlights with a darker background and
the lower portion of the Performance view panel displays the statistics values for the
port’s number and the WWN decoding.
The Statistics Values tables contain cumulative port statistics and error statistics for
transmit and receive traffic, class 2 and 3 statistics, operational statistics, and error
categories. Click a category in the left frame of the statistics area to display only
statistics for that category or click All to display values for all categories.
For a description of the Refresh and Clear buttons, refer to Button Functions on
page 2-36.
Statistics Description
The Statistics Values tables contain statistics in the following groups. To refresh
tables with the latest data, click the Refresh button on the upper right portion of the
Statistics Values panel or click the port’s bar graph. Clear all counters for all users
using the Clear button.
Traffic Statistics with Receive and Transmit Values
This section describes the types of statistics that display when you click a port’s bar
graph:
• 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 200 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.
• Four byte words — The number of words that the port has received or
transmitted.
• Offline sequences — The number of offline sequence that the port has received or
transmitted.