Cisco Cisco Access Registrar 4.2 Dokumentacja Pobierz pdf (Strona 82)

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Cisco Wireless LAN Controller Configuration Guide

OL-13826-01

Chapter 3 Configuring Ports and Interfaces

Configuring Ports

Table 3-4 interprets the current STP status of the port.

Step 3 Table 3-5 lists and describes the port’s configurable STP parameters. Follow the instructions in the table

to make any desired changes.

Table 3-4 Port Spanning Tree Status

Parameter Description

STP Port ID The number of the port for which STP is enabled or disabled.

STP State The port’s current STP state. It controls the action that a port takes upon

receiving a frame.

Values: Disabled, Blocking, Listening, Learning, Forwarding, and

Broken

STP State Description

Disabled The port is not participating in spanning tree because the

port is shut down, the link is down, or STP is not enabled

for this port.

Blocking The port does not participate in frame forwarding.

Listening The first transitional state after the blocking state when

STP determines that the port should participate in frame

forwarding.

Learning The port prepares to participate in frame forwarding.

Forwarding The port forwards frames.

Broken The port is malfunctioning.

STP Port Designated Root The unique identifier of the root bridge in the configuration BPDUs.

STP Port Designated Cost The path cost of the designated port.

STP Port Designated Bridge The identifier of the bridge that the port considers to be the designated

bridge for this port.

STP Port Designated Port The port identifier on the designated bridge for this port.

STP Port Forward Transitions

Count

The number of times that the port has transitioned from the learning

state to the forwarding state.

1 2 ... 77 78 79 80 81 82 83 84 85 86 87 ... 635 636

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