Cabletron Systems STHI User Manual

Page of 77
The Device Statistics Screen
Page 5-22
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.
5.8.1
Screen 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
1
In this mode, the counters display totals since the STHI hub’s last reset.
DELTA
2
In this mode, the counters display totals since last screen refresh. 
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.
Figure 5-13.  Device Statistics Screen in 
ACCUMULATE 
Mode
5.8.2
REFRESH 3SEC
The user may toggle this screen command to select counter update 
intervals from 3 to 10 seconds.
                        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
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d
0
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