Cisco OL-4015-08 Guide de l'utilisateur télécharger pdf (Page 607)

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Cisco Router and Security Device Manager Version 2.2 User’s Guide

OL-4015-08

Chapter 32 Viewing Router Information

Interface Status

• Bandwidth Usage—The percent of bandwidth used by the interface, shown as

a percentage value. Here is how bandwidth percentage is computed:

Bandwidth percentage=(Kbps/bw) * 100,

where

bits per second= ((change in input+change in output) * 8) / poll interval

Kbps= bits per second/1024

bw=bandwidth capacity of the interface

Because the differences in bytes input and bytes output can only be computed

after the second view interval, the bandwidth percentage graph shows the

correct bandwidthe usage starting with the second view interval. See the View

Interval section of this topic for polling intervals and view intervals.

• Bytes Input—The number of bytes received on the interface.

• Bytes Output—The number of bytes sent by the interface.

• Input Errors—The number of errors occurring while receiving data on the

interface.

• Output Errors—The number of errors occurring while sending data from the

interface.

To view statistics for any of these items:

Step 1 Select the item(s) you want to view by checking the associated check box(es).

Step 2 Click Monitor Interface to see statistics for all selected data items.

Interface Status Area

View Interval

This pull-down field selects both the amount of data shown for each item and the

frequency with which the data is updated. It has the following options

Note The polling frequencies listed are approximations and may differ slightly from the

listed times.

1 2 ... 602 603 604 605 606 607 608 609 610 611 612 ... 687 688

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