receive a bridge

 

 

 

 

protocol

 

 

 

 

data unit (BPDU)

 

 

 

 

message from the

 

 

 

 

root switch within

 

 

 

 

this interval, it

 

 

 

 

recomputes the

 

 

 

 

Spanning Tree

 

 

 

 

Protocol (STP)

 

 

 

 

topology. Use the

 

 

 

 

no form of this

 

 

 

 

command to return

 

 

 

 

to the default

 

 

 

 

interval.

 

 

 

 

 

 

 

 

 

Use the

 

 

 

 

spanning-tree

 

 

 

 

hello-time global

 

 

 

 

configuration

 

 

 

 

command to

 

 

 

 

specify the interval

 

 

spanning-tree

Global

between hello

 

Switch (config)#

 

 

 

 

hello-time

configuratio

 

2 sec.

spanning-tree

[seconds]

n mode

bridge protocol

 

hello-time 3

 

 

 

 

data units

 

 

 

 

(BPDUs). Use the

 

 

 

 

no form of this

 

 

 

 

command to return

 

 

 

 

to the default

 

 

 

 

interval.

 

 

 

 

 

 

 

 

 

Use the

10 Mbps

Switch (config)#

 

 

spanning-tree cost

 

 

 

interface fastEthernet

 

Interface

interface

– 100

stp-path-cost

 

 

0/2

configuratio

 

 

 

configuration

 

[PortCost]

 

 

 

 

 

n mode

 

 

 

 

command to set

 

Switch (config-if)#

 

 

 

 

 

the path cost for

100 Mbps

stp-path-cost 20

 

 

Spanning Tree