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7.3.2 Instance Config
Instance Configuration, a property of MST region, is used to describe the VLAN to Instance
mapping configuration. You can assign VLAN to different instances appropriate to your needs.
Every instance is a VLAN group independent of other instances and CIST.
Choose the menu Spanning Tree→MSTP Instance→Instance Config to load the following
page.
Figure 7-8 Instance Config
The following entries are displayed on this screen:
VLAN-Instance Mapping
Instance ID:
Enter the corresponding instance ID.
VLAN ID: Enter the desired VLAN ID. After modification here, the new VLAN
ID will be added to the corresponding instance ID and the previous
VLAN ID won’t be replaced.
Instance Table
Select:
Select the desired Instance ID for configuration. It is multi-optional.
Instance ID:
Displays Instance ID of the switch.
Status:
Displays status of the instance.
Priority: Enter the priority of the switch in the instance. It is an important
criterion on determining if the switch will be chosen as the root
bridge in the specific instance.
VLAN ID: Enter the VLAN ID which belongs to the corresponding instance
ID. After modification here, the previous VLAN ID will be cleared
and mapped to the CIST.
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