Cabletron Systems NB30 Manual De Usuario

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Bridge Statistics
3-9
NB-30 Bridging
You can also disable bridging across all ports or on your NB-30 from the Chassis 
View window. To disable bridging at the device level from the Chassis View 
window:
1.
Click on the Board Index (1) in the front panel display. A menu will appear.
2.
Click on Enable Bridge to restart bridging at the device level, or Disable 
Bridge
 to halt bridging across the entire device.
Bridge Statistics
The following sections describe the Statistics windows that are available for the 
NB-30 bridge that is being monitored via SPECTRUM Element Manager, both at 
the device and port levels.
Performance Graphs
You use Bridge Performance Graphs to view a color-coded strip chart that shows 
you the trafÞc being bridged through all networks or an individual network 
supported by your device. You can conÞgure the display to show frames Þltered, 
forwarded, or transmitted across the device or its individual bridging interfaces, 
as well as the number of errors experienced at both levels. The graph has an X axis 
that indicates the 60-second interval over which charting occurs continuously, 
while its Y axis measures the number of packets or errors that are processed by 
the device or its bridging interfaces.
You can select the type of errors you wish to monitor by using the available menu 
buttons. When you click on the error type you wish to view, the name of that error 
will appear in the button, and the Performance Graph will refresh. The graph will 
now generate a strip chart based on the newly deÞned parameters.
At the device level, a Detail button on the window allows you to compare the 
packets forwarded, Þltered, or transmitted on all networks supported by the 
device, as well as errors on all networks.
For a selected bridged network, the Detail button allows you to view the number 
of packets forwarded to, or received from, each other network supported by the 
device.
To access the device-level Bridge Performance Graph window:
1.
From the Bridge Status window, click on Bridge. A menu will appear.
2.
Click on Performance Graph.... The NB-30 Bridge Performance Graph 
window,