The following entries are displayed on this screen:

¾Instance Table

Instance ID Select: Click the Select button to quick-select the corresponding Instance ID

based on the ID number you entered.

Select:

Select the desired Instance ID for configuration. It is multi-optional.

Instance:

Displays Instance ID of the switch.

Status:

Select Enable/Disable 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.

Clear:

Click the Clear button to clear up all VLAN IDs from the instance ID.

 

The cleared VLAN ID will be automatically mapped to the CIST.

¾VLAN-Instance Mapping

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 ID: Enter the corresponding instance ID.

Note:

In a network with both GVRP and MSTP enabled, GVRP packets are forwarded along the CIST. If you want to broadcast packets of a specific VLAN through GVRP, please be sure to map the VLAN to the CIST when configuring the MSTP VLAN-instance mapping table. For detailed introduction of GVRP, please refer to GVRP function page.

7.3.3 Instance Port Config

A port can play different roles in different spanning tree instance. On this page you can configure the parameters of the ports in different instance IDs as well as view status of the ports in the specified instance.

Choose the menu Spanning Tree→MSTP Instance→Instance Port Config to load the following page.

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TP-Link TL-SG3216 manual Instance Port Config, ¾ Instance Table, Clear, ¾ VLAN-Instance Mapping