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LB308A
Chapter 6: Command Line Console Management
switch_a(config)#bridge 1 protocol mstp
switch_a(config)#spanning-tree mst configuration
switch_a(config-mst)#bridge 1 instance 1 vlan 10, 20
switch_a(config-mst)#
Bridge Instance Priority:
1. Command Mode: Configure mode
Logon to Configure Mode (Configure Terminal Mode).
The switch_a(config)# prompt will show on the screen.
switch_a(config)#
2. Usage:
Use this command to set the bridge priority for an MST instance to the value
specified. Use the no parameter with this command to restore the default value of
the bridge priority. The lower the priority of the bridge, the better the chances are
the bridge becoming a root bridge or a designated bridge for the LAN. The
priority values can be set only in increments of 4096.
3. Command Syntax:
bridge GROUP instance INSTANCE_ID priority BRIDGE_PRIORITY
no bridge GROUP instance INSTANCE_ID priority
GROUP <1-1> Specify the bridge-group ID.
INSTANCE_ID Specify the instance ID.
BRIDGE_PRIORITY <0-61440> Specify the bridge priority.
4. Example:
The following example sets the bridge priority (0) for an MST instance (3) in
bridge GROUP (1):
switch_a(config)#bridge 1 instance 3 priority 0
switch_a(config)#
MSTP Port Setting
Bridge-Group Instance:
1. Command Mode: Interface mode