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

 

 

spanning-tree hello-time

Global

specify the interval between

 

Switch (config)# spanning-tree

hello

2 sec.

[seconds]

configuration mode

hello-time 3

bridge protocol data units

 

 

 

 

 

 

 

(BPDUs). Use the no form of

 

 

 

 

this command to return to the

 

 

 

 

default interval.

 

 

 

 

 

 

 

 

 

Use the spanning-tree cost

 

 

 

 

interface configuration

 

 

 

 

command to set the path

 

 

 

 

cost for Spanning Tree

10 Mbps

 

 

 

Protocol (STP) calculations.

Switch (config)# interface

 

 

– 100

 

Interface

In the event of a loop,

fastEthernet 0/2

stp-path-cost [PortCost]

 

configuration mode

spanning tree considers the

 

Switch (config-if)#

 

100 Mbps

 

 

path cost when selecting an

stp-path-cost 20

 

 

– 10

 

 

interface to place into the

 

 

 

 

 

 

 

forwarding state. Use the no

 

 

 

 

form of this command to

 

 

 

 

return to the default value.

 

 

 

 

 

 

 

 

 

Use the spanning-tree

 

 

 

 

forward-time global

 

 

 

 

configuration command to

 

 

spanning-tree

Global

set the forwarding-time for

15 sec.

Switch (config)# spanning-tree

forward-time [seconds]

configuration mode

the specified spanning-tree

forward-time 20

 

 

 

instances. The forwarding

 

 

 

 

time determines how long

 

 

 

 

each of the listening and

 

 

 

 

 

 

 

 

 

25

 

 

Page 33
Image 33
Milan Technology MIL-SM8002TG manual