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98 Intel® Gigabit Ethernet Switch AXXSW1GB User Guide
Defining Multiple STP Instance Settings
Multiple STP maps VLANs into STP instances. Packets assigned to various VLANs are
transmitted along different paths within Multiple Spanning Tree Regions (MST Regions).
Regions are one or more Multiple Spanning Tree bridges by which frames can be
transmitted. In configuring Multiple STP, the MST region to which the device belongs is
defined. A configuration consists of the name, revision, and region to which the device
belongs.
Network administrators can define the Multiple STP instance settings using the Instance
Settings Page.
To define the Instance settings:
1. Click Layer 2 > Multiple STP > Instance Settings. The Instance Settings Page
opens:
Figure 72. Instance Settings Page
The
Instance Settings Page
contains the following fields:
• Instance ID — Specifies the VLAN group to which the interface is assigned.
• Included VLAN — Maps the selected VLANs to the selected instance. Each VLAN
belongs to one instance.
• Bridge Priority — Specifies the selected spanning tree instance device priority. The
field range is 0-61440. The default value is 32768. The bridge priority value is
determined in increments of 4096.