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Setting Spanning Tree
Setting Spanning Tree
It is important to avoid Point-to-Multipoint configurations that will cause bridge loops. A
bridge loop occurs when two parallel network paths are created between any two LANs,
causing packets to be continuously regenerated through both parallel paths. This situation
eventually renders the network unusable due to the excessive traffic that is being generated
by the loop. The AP Spanning Tree function corrects this type of problem by shutting down
the port and possibly shutting down a segment of the network.
Typically, Spanning Tree is disabled when in Workgroup bridge mode and enabled in
LAN-to-LAN Multipoint bridge mode.
Using AP Manager
To enable or disable Spanning Tree using the AP Manager, select the AP from the
Managed List field and click the Wireless Parameters button. In the Wireless Parameters
window, click the Advanced button. To implement your changes:
• R2 AP: Select Reset from the main window. Select Reset Slot x, where x is the slot
(1 or 2) you configured.
• AP 2000: Select Reset from the main window. Select Reset with Current Settings.
Allow approximately one minute for the AP to reset and complete its self-test.
Using the RoamAbout R2 Console Port
Choose Network Configuration from the Main Menu. Enable or disable Spanning Tree.
To implement the change, select Reset/Upgrade from the Main Menu then select Reset
Radio. Allow approximately one minute for the AP to reset and complete its self-test.
Using the Access Point 2000 Console Port
You can enable or disable the Spanning Tree when in Endpoint bridge mode. Spanning
Tree is disabled when in Workgroup bridge mode and enabled in Multipoint bridge mode.
To enable or disable Spanning Tree using the console port, perform the following:
1. Choose Module-Specific Options from the RoamAbout AP Installation Menu.
2. Choose Bridge Mode Options.
3. Select Set Spanning Tree Mode and set to Enabled or Disabled.
4. To implement your changes, reset the AP by selecting Reset with Current Settings
from the Installation Menu. Allow approximately one minute for the AP to reset and
complete its self-test.