Table of Contents
Advertisement
Configuration
Bridge Instance
Bridge ID
Root ID
Root Port
Root Cost
Regional Root
Internal Root Cost
Topology Flag
Topology Change Count The number of times where the topology-change flag has been set (during a
Topology Last
Physical Ports & Aggregations State
Switch ID
Port
Port ID
Description
The Bridge instance - CIST, MST1, ...
The Bridge ID of this Bridge instance.
The Bridge ID of the currently elected root bridge.
The switch port currently assigned the root port role.
Root Path Cost. For the Root Bridge this is zero. For all other Bridges, it is the sum of
the Port Path Costs on the least cost path to the Root Bridge.
The Bridge ID of the currently elected regional root bridge, inside the MSTP region
of this bridge. (For the CIST instance only)
The Regional Root Path Cost. For the Regional Root Bridge this is zero. For all other
CIST instances in the same MSTP region, it is the sum of the Internal Port Path Costs
on the least cost path to the Internal Root Bridge. (For the CIST instance only)
The current state of the Topology Change Flag for this Bridge instance.
one-second interval).
The time passed since the Topology Flag was last set.
The Switch ID of the logical port.
The switch port number of the logical STP port.
The port id as used by the STP protocol. This is the priority part and the logical port
index of the bridge port.
-110-
Advertisement
Table of Contents
