Chapter 5: Local Management

Listening: The switch is not adding information to the Transparent Database. The switch is monitoring the Bridge Protocol Data Unit (BPDU) traffic while preparing to move from the learning to the forwarding state.

Forwarding: The switch is operating and this interface is forwarding traffic.

Blocking: This interface will not forward any traffic through the switch because a loop condition has been detected by the STA.

Status (Toggle)

Allows the user to disable or enable a port by setting the status of the listed interface to either ENABLED or DISABLED. To set the port status, refer to Section 5.10.3.

5.10.1 Setting the STA

The Spanning Tree Algorithm (STA) setting allows the user to set the method that the switches use to decide which is the controller (Root) switch when two or more switches are in parallel. The available selections are IEEE, DEC, and NONE.

To set the STA, proceed as follows:

1.Use the arrow keys to highlight the Type of STA field.

2.Use the SPACE bar to step to the appropriate setting of IEEE, DEC, or NONE.

3.Use the arrow keys to highlight the SAVE command at the bottom of the screen.

4.Press ENTER. The message “SAVED OK” displays.

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Cabletron Systems 2H28-08R manual Setting the STA