•
Forward Transitions — Indicates the number of times the port has changed from
Forwarding state to Blocking state.
•
Remain Hops — Indicates the hops remaining to the next destination.
•
Interface State — Indicates whether the port is enabled or disabled in the specific instance.
Interface Table
The Interface Table Page contains the following fields:
•
Instance — Defines the VLAN group to which the interface is assigned.
•
Interface — Indicates the port or LAG for which the MSTP settings are displayed.
•
Role — Indicates the port role assigned by the STP algorithm in order to provide to STP
paths. The possible field values are:
–
Root — Provides the lowest cost path to forward packets to root device.
–
Designated — Indicates the port or LAG via 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-
Chapter 11: Configuring Spanning Tree
Defining Multiple Spanning Tree
SFE1000P Gigabit Ethernet Switch Administration Guide
Interface Table Page
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