LevelOne IES-1081 User Manual

Page 108

Advertising
background image

IES-1081 User Manual

Page 108

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 lower-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 )#


2. Usage:
Use this command to set the cost of a path associated with an interface. Use the no
parameter with this command to restore the default cost value of the path. A lower
path-cost indicates a greater likelihood of the specific interface becoming a root.

3. Command Syntax:
bridge GROUP instance INSTANCE_ID path-cost PATH_COST

GROUP <1-1> Specify the bridge-group ID.
INSTANCE_ID <1-15> Specify the instance ID.
PATH_COST <1-200000000> Specify the cost of path in the range of <1-200000000>.


4. Example:
The following example sets the path cost (1000) 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 path-cost 1000
switch_a(config-if )#

Advertising