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Spanning Tree Protocol
Configuring Multiple Spanning Tree
STEP 1
STEP 2
STEP 3
STEP 4
STEP 1
STEP 2
Cisco 220 Series Smart Plus Switches Administration Guide Release 1.0.0.x
To map VLANs to MST instances:
Click Spanning Tree > VLAN to MSTP Instance.
The following fields are displayed:
•
MSTP Instance ID—MSTP instance number.
•
VLANs—All VLANs belonging to the MSTP instance.
To add a VLAN to an MSTP instance, select the desired MSTP instance and click
Edit.
Enter the following information:
•
MSTP Instance ID—Select the MSTP instance.
•
VLANs—Enter the VLANs being mapped to this MST instance.
•
Action—Select either Add or Remove to map or remove the VLAN to/from
the MST instance.
Click Apply. The MSTP VLAN mappings are defined, and the Running
Configuration file is updated.
Configuring MSTP Instance Settings
Use the MSTP Instance Settings page to configure and view parameters per MST
instance. This is the per-instance equivalent to the Configuring STP Status and
Global Settings.
To enter MST instance settings:
Click Spanning Tree > MSTP Instance Settings.
Enter the following information:
•
Instance ID—Select an MST instance to be configured.
•
Included VLAN—Displays the VLANs mapped to the selected instance. The
default mapping is that all VLANs are mapped to the common and internal
spanning tree (CIST) instance (instance 0).
•
Priority—Enter the priority of this bridge for the selected MST instance.
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