The MSTP Settings page contains the following fields:

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 instance 0 root.

Instance ID — Defines the MSTP instance. the field range is 1-15.

Included VLANs — Displays VLANs mapped 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 in steps of 4096.

Designated Root Bridge ID — Indicates the ID of the bridge which is the root of the selected instance.

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.

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Configuring Switch Information

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Dell 3548 manual Configuring Switch Information