Brocade Multi-Service IronWare Switching Configuration Guide (Supporting R05.6.00) User Manual

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Multi-Service IronWare Switching Configuration Guide

53-1003036-02

802.1s Multiple Spanning Tree Protocol

12

Root Hop Cnt

Current hop count from the root bridge.

Root Bridge

Bridge identifier of the root bridge.

ExtPath Cost

The configured path cost on a link connected to this port to an external MSTP
region.

Regional Root Bridge

The Regional Root Bridge is the MAC address of the Root Bridge for the local
region.

IntPath Cost

The configured path cost on a link connected to this port within the internal
MSTP region.

Designated Bridge

The MAC address of the bridge that sent the best BPDU that was received on
this port.

Root Port

Port indicating shortest path to root. Set to “Root” if this bridge is the root
bridge.

Port Num

The port number of the interface.

Pri

The configured priority of the port. The default is 128.

PortPath Cost

Configured or auto detected path cost for port.

P2P Mac

Indicates if the port is configured with a point-to-point link:

T – The port is configured in a point-to-point link

F – The port is not configured in a point-to-point link

Edge

Indicates if the port is configured as an operational edge port:

T – indicates that the port is defined as an edge port.

F – indicates that the port is not defined as an edge port

Role

The current role of the port:

Master

Root

Designated

Alternate

Backup

Disabled

State

The port’s current 802.1w state. A port can have one of the following states:

Forwarding

Discarding

Learning

Disabled

Designated Cost

Port path cost to the root bridge.

Max Hop cnt

The maximum hop count configured for this instance.

Root Hop cnt

Hop count from the root bridge.

TABLE 57

Output from show MSTP (Continued)

This field...

Displays...

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