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Figure 48 mrstp: status, Table 27 spanning tree protocol: status – ZyXEL Communications GS-4012F/4024 User Manual

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GS-4012F/4024 User’s Guide

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Chapter 11 Spanning Tree Protocol

Figure 48 MRSTP: Status

The following table describes the labels in this screen.

Table 27 Spanning Tree Protocol: Status

LABEL

DESCRIPTION

Configuration

Click Configuration to configure MRSTP settings. Refer to

Section 11.3 on page

100

.

Tree

Select which STP tree configuration you want to view.

Bridge

Root refers to the base of the spanning tree (the root bridge). Our Bridge is this

switch. This switch may also be the root bridge.

Bridge ID

This is the unique identifier for this bridge, consisting of bridge priority plus MAC

address. This ID is the same for Root and Our Bridge if the switch is the root

switch.

Hello Time

(second)

This is the time interval (in seconds) at which the root switch transmits a

configuration message. The root bridge determines Hello Time, Max Age and

Forwarding Delay

Max Age (second) This is the maximum time (in seconds) a switch can wait without receiving a

configuration message before attempting to reconfigure.

Forwarding Delay

(second)

This is the time (in seconds) the root switch will wait before changing states (that

is, listening to learning to forwarding).

Cost to Bridge

This is the path cost from the root port on this switch to the root switch.

Port ID

This is the priority and number of the port on the switch through which this switch

must communicate with the root of the Spanning Tree.

Topology Changed

Times

This is the number of times the spanning tree has been reconfigured.

Time Since Last

Change

This is the time since the spanning tree was last reconfigured.