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134 Getting Started with Device Manager
The Edit dialog box appears for that object.
•
From a switch or port shortcut menu, choose Edit. The Edit dialog
box appears for that object.
When you change the value in a box, the changed value is displayed in
bold. However, changes are not applied to the running configuration until
you click Apply.
ATTENTION
Many dialog boxes contain a Refresh button. After you apply changes to fields,
click Refresh to display the new information in the dialog box.
Working with statistics and graphs
Device Manager tracks a wide range of statistics for the switch and each
port. You can view and graph statistics for a single object or multiple objects.
For information about the statistics tracked for the switch and ports, see
"Statistics for single and multiple objects" (page 137) and to the
Nortel
Ethernet Routing Switch 2500 Series Performance Management — System
Monitoring (NN47215-502).
This section describes the types of statistics and graphs available, the graph
dialog boxes, and the procedure for creating a graph.
Types of statistics
The data tables in the statistics dialog boxes list the counters, or categories
of statistics being gathered, for the specified object. For example, the
categories for ports include Interface, Ethernet Errors, Bridge, and Rmon.
Each category can be associated with six types of statistics.
Table 27 "Types of statistics" (page 134) describes the types of statistics
that are available.
Table 27
Types of statistics
Statistic
Description
AbsoluteValue The total count since the last time counters were reset. A
system reboot resets all counters.
Cumulative The total count since the statistics window was first opened.
The elapsed time for the cumulative counter is displayed at the
bottom of the graph window.
Average The cumulative count divided by the cumulative elapsed time.
Minimum The minimum average for the counter for a given polling
interval over the cumulative elapsed time.
Nortel Ethernet Routing Switch 2500 Series
Overview — System Configuration
NN47215-500 (323162-B) 02.02 Standard
4.1 19 November 2007
Copyright © 2007, Nortel Networks
.