D-Link DGS-3100 User Manual page 93

DGS-3100 Series Gigabit Stackable Managed Switch User Manual
Field
Role
2. Define the values in the Unit and Port fields.
3. Click
4. Define the Internal Path Cost and Priority fields.
5. Click
6. Click
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Description
another port for forwarding
Disabled — Disables the port for the specific instance.
Indicates the port role assigned by the STP algorithm to provide to STP paths. The possible
field values are:
Enabled — Enables the port for the specific instance.
Root — Provides the lowest cost path to forward packets to the root device.
Designated — Indicates the port or LAG through which the designated device is attached
to the LAN.
Alternate — Provides an alternate path to the root device from the root interface.
Backup — Provides a backup path to the designated port path toward the Spanning Tree
leaves. Backup ports occur only when two ports are connected in a loop by a point-to-point
link or when a LAN has two or more connections connected to a shared segment.
Disabled — Indicates the port is not participating in the Spanning Tree.
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adjacent to an MSTI ID row to edit the values for Internal Path Cost and Priority.