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NB-30 Bridging
3-30 DSX-1 Summary
Figure 3-9. Bridge DSX-1 Summary Window
Configuring, Running, and Checking the Loopback Test
To conÞgure and run the loopback test:
1. Click on Test Pattern. A menu will appear.
2. Click to select the appropriate data pattern option to be used in the loopback
test:
Alternating 1/0s
All 1s
All 0s
Incrementing Data
The selected test pattern will display next to the menu button.
3. To initiate the loopback test, click on Loop Test. The test will begin.
NOTES
A loopback test will cause the remote port of the monitored bridge to temporarily go
off-line. This will cause Spanning Tree to reconÞgure at the monitored bridge (the bridge
will go into Standby state as it listens to the network and learns the topology).
Your NB-30 icon will also change color to indicate a test in progress (informational state).