LevelOne IES-1085 User Manual

Page 118

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User Manual

Page 118

switch_a(config)#spanning-tree mst configuration
switch_a(config-mst)#


2. Usage:
Use this command to simultaneously add multiple VLANs for the corresponding instance
of a bridge. This command can be used only after the VLANs are defined. Use the no
parameter with this command to simultaneously remove multiple VLANs for the
corresponding instance of a bridge.

3. Command Syntax:
bridge GROUP instance INSTANCE_ID vlan VLAN_ID
no bridge GROUP instance INSTANCE_ID vlan VLAN_ID

GROUP <1-1> Specify the bridge-group ID.
INSTANCE_ID <1-15> Specify the instance ID.
VLAN_ID <1-4094> Specify multiple VLAN IDs corresponding to the bridge instance


4. Example:
The following example associates multiple VLANs (10) and (20) to instance (1) of bridge
GROUP (1):

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

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