Chapter 3 Configuring Devices

 

 

 

Using the Templates

 

 

 

Table 3-2 Spanning Tree Protocol Settings (continued)

 

 

 

 

 

 

Field

Description

 

 

 

 

 

 

Max Age (6-40 Seconds)

Enter the number of seconds to define how long the

 

 

 

bridge waits before deciding the network has

 

 

 

changed and the spanning tree needs to be rebuilt.

 

 

 

For example, with Max Age set to 20, the bridge

 

 

 

attempts to rebuild the spanning tree if it does not

 

 

 

receive a hello BDPU from the root bridge in the

 

 

 

spanning tree within 20 seconds.

 

 

 

 

 

 

Hello Time (1-10

Enter the number of seconds to define how often the

 

 

Seconds)

root bridge in the spanning tree sends out a hello

 

 

 

BPDU telling the other bridges that the network

 

 

 

topology has not changed and that the spanning tree

 

 

 

should remain the same.

 

 

 

 

 

 

Forward Delay (4-30

Enter the number of seconds to define how long the

 

 

Seconds)

bridge’s ports should stay in the listening and

 

 

 

learning transition states if there is a change in the

 

 

 

spanning tree.

 

 

 

 

 

 

 

 

 

Port Configuration

 

 

 

 

 

 

 

 

 

 

Path Cost (1-65535)

Enter a number to indicates the relative efficiency of

 

 

 

a port’s network link.

 

 

 

A port with a high path cost is less likely to become

 

 

 

a bridge’s root port.

 

 

 

 

 

 

Priority (0-255)

Enter a number to influence whether STP designates

 

 

 

a port as a bridge’s root port.

 

 

 

A port with a low priority setting is more likely to

 

 

 

become a bridge’s root port.

 

 

 

 

 

 

Enable

From the list, select one of the following for each

 

 

 

port configured:

 

 

 

Enable—Use this setting to indicate whether the

 

 

 

port participates in STP. (This determines

 

 

 

whether the port blocks or forwards traffic.)

 

 

 

Disable—Use this setting to indicate that the

 

 

 

port does not participate in STP.

 

 

 

 

 

 

 

 

 

User Guide for the CiscoWorks 1105 Wireless LAN Solution Engine

 

 

 

 

 

78-14947-01

 

 

 

3-11

 

 

 

 

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Cisco Systems 1105 manual Configuring Devices