Black Box 8-port 10/100base-tx hardened ethernet extender switch Command Line Console Management

Chapter 6: Command Line Console Management

2. Usage:

Use this command to set the port priority for a bridge group. The Multiple Spanning Tree Protocol uses port priority as a tiebreaker to determine which port should forward frames for a particular instance on a LAN, or which port should be the root port for an instance. A lower value implies a better priority. In the case of the same priority, the interface index will serve as the tiebreaker, with the low- er-numbered interface being preferred over others. The permitted range is 0-240. The priority values can only be set in increments of 16.

3. Command Syntax:

bridge GROUP instance INSTANCE_ID priority PRIORITY

GROUP <1-1> Specify the bridge-group ID.

INSTANCE_ID <1-15> Specify the instance ID.

PRIORITY <0-240> Specify the port priority in a range of <0-240>.

4. Example:

The following example sets the port priority (121) for Multiple Spanning Tree instance (3) to a port (fe1) in bridge GROUP (1):

switch_a(config)#interface fe1

switch_a(config-if)#bridge-group 1 instance 3 priority 121

switch_a(config-if)#

Bridge-Group Instance Path-Cost:

1. Command Mode: Interface mode

Logon to Configure Mode (Configure Terminal Mode). Then logon to Interface mode.

fe1 means port 1.

The switch_a(config-if)# prompt will show on the screen.

switch_a(config)#interface fe1

switch_a(config-if)#

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