Bridge Configuration

134

Setting the

Bridge

Aging

Timer

Enabling and Disabling

STP

The bridge aging timer establishes the amount of time that the IAD keeps a MAC address in the bridging table. When the timer reaches zero, the IAD deletes the address from the database updates the timer.

To set the bridge aging timer:

1.Type A on the Bridge Configuration menu to select Configure Bridge Aging Timer.

2.The IAD displays the following prompt:

Enter Bridge Aging time in seconds (1..3600): (300)

Type the aging time (range 1 to 3600 seconds) and press Enter.

3.The IAD updates the timer. Press any key to display the Bridge Configuration menu.

4.Continue with other configuration tasks, or press Escape to return to the Bridge Configuration menu.

5.Reset the IAD (page 15) when you finish bridge configuration.

Having many bridges creates the potential for network loops. A loop presents conflicting information about the segment on which a specific address is located and forces the bridge to forward all data.

When configuring the IAD as a router (Chapter 4, Router Configuration on page 103), you must disable STP both globally and by port.

NOTE When you enable STP, the IAD reconfigures the bridge network to transfer data along an optimum route to its destination.

Enabling or Disabling STP Globally

To enable or disable STP globally:

1.On the Bridge Configuration menu, type T to select Enable/Disable Spanning Tree Globally.

The IAD displays the status of bridging, and a prompt:

Spanning Tree is Globally DISABLED Enter E to Enable, D to Disable:

Type E to enable spanning tree globally, or D to disable it globally.

2.The IAD saves, then displays the Bridge Configuration menu.

3.Continue with other tasks, or press Escape to return to the Main menu.

4.Reset the IAD (page 15) when you finish bridge configuration.

Enabling or Disabling STP by Port

To enable or disable STP by port:

1.On the Bridge Configuration menu, type O to select Enable/Disable Spanning Tree by Port.

2.The IAD displays the interfaces available on this IAD, and a prompt:

Available Interfaces:

NetEngine IAD User Guide

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Polycom 7000, 6000 manual Setting Bridge Aging Timer Enabling and Disabling, Enabling or Disabling STP Globally

7000, 6000 specifications

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