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Figure 1-33. MSTP Settings
Region Name (1-32 Characters)
— Indicates user-defined MSTP region name.
Revision
(0-65535) — Defines unsigned 16-bit number that identifies the current MST configuration revision.
The revision number is required as part of the MST configuration. The possible field range is 0-65535.
Max Hops (1-40)
— Defines the total number of hops that occur in a specific region before the BPDU is
discarded. Once the BPDU is discarded, the port information is aged out. The possible field range is 1-40. The
field default is 20 hops.
IST Master
— Indicates the Internal Spanning Tree Master ID. The IST Master is the specified instance root.
Instance ID
— Defines the MSTP instance. The field range is 0-15.
Included VLANs
— Maps the selected VLANs to the selected instance. Each VLAN belongs to one instance.
Bridge Priority (0-61440)
— 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.