The Device Statistics Screen

This read only screen enables the user to monitor the performance of the managed network. The error statistics provided here can be useful in the diagnosis of LAN problems.

The counters are updated at each screen refresh.

5.8.1Screen Mode

The screen operates under three different counting modes, described below. The screen mode currently in effect is listed in parentheses on the screen title line. The remaining two modes-in-waiting are listed on the screen command line. To select another screen mode, invoke it from the screen command line.

TOTAL

In this mode, the counters display totals since the STHI hub’s last reset.

DELTA

In this mode, the counters display totals since last screen refresh.

1

2

ACCUMULATE

3

In this mode, the screen provides a CLEAR screen command which clears all counters, enabling the user to monitor network performance from a user-determined moment. Clear Date and Clear Time fields are provided to note the moment the counters were reset.

DEVICE STATISTICS (ACCUMULATE)

INTERFACE: 1

 

 

Clear Date: 01/01/89

Clear Time: 00:02:21

 

RING INFORMATION

 

Frames Received: 0

Active Monitor Addr:

00-00-B8-00-00-00

KBytes Received: 0

Ring Status:

Normal

Figure 5-13. Device Statistics Screen in ACCUMULATE Mode

5.8.2REFRESH 3SEC

The user may toggle this screen command to select counter update intervals from 3 to 10 seconds.

Page 5-22

Page 57
Image 57
Cabletron Systems STHI manual Screen Mode, Accumulate