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Configuring Spanning Tree
Defining Multiple Spanning Tree
Page 149
by which frames can be transmitted. In configuring MSTP, 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 MSTP instance settings using the MSTP Instance Settings Page
.
To define
MSTP instance settings:
1. Click Advanced Setup > Spanning Tree > MSTP > Instance Settings . The MSTP Instance Settings Page
opens:
Figure 91: MSTP Instance Settings Page
The MSTP 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
•
Designated Root Bridge ID — Indicates the ID of the bridge with the lowest path cost to the instance ID.
•
Root Port — Indicates the selected instance’s root port.
•
Root Path Cost — Indicates the selected instance’s path cost.
•
Bridge ID — Indicates the bridge ID of the selected instance.
•
Remaining Hops — Indicates the number of hops remaining to the next destination.
2. Click . The VLAN Instance Configuration Table opens: