receive a bridge

 

 

 

 

 

protocol data unit

 

 

 

 

 

(BPDU) message from

 

 

 

 

 

the root switch within

 

 

 

 

 

this interval, it

 

 

 

 

 

recomputed the

 

 

 

 

 

Spanning Tree

 

 

 

 

 

Protocol (STP)

 

 

 

 

 

topology.

 

 

 

 

 

 

switch(config)#spanning-tree

 

spanning-tree

G

Use the spanning-tree

 

hello-time [seconds]

 

hello-time global

hello-time 3

 

 

 

configuration

 

 

 

 

 

command to specify

 

 

 

 

 

the interval between

 

 

 

 

 

hello bridge protocol

 

 

 

 

 

data units (BPDUs).

 

 

 

 

 

 

switch(config)#spanning-tree

 

spanning-tree

G

Use the spanning-tree

 

forward-time [seconds]

 

forward-time global

forward-time 20

 

 

 

configuration

 

 

 

 

 

command to set the

 

 

 

 

 

forwarding-time for the

 

 

 

 

 

specified

 

 

 

 

 

spanning-tree

 

 

 

 

 

instances. The

 

 

 

 

 

forwarding time

 

 

 

 

 

determines how long

 

 

 

 

 

each of the listening

 

 

 

 

 

and

 

 

 

 

 

learning states last

 

 

 

 

 

before the port begins

 

 

 

 

 

forwarding.

switch(config)#interface

 

stp-path-cost

I

Use the spanning-tree

 

[1~200000000]

 

cost interface

fastEthernet 2

 

 

 

configuration

switch(config-if)#stp-path-cost 20

 

 

 

 

 

 

 

 

 

 

 

 

Manual Documentation Number: EIR608-xSFP_0708m

31

B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax

815-433-5104www.bb-elec.com

 

B&B Electronics – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91-792444

– Fax +353 91-792445www.bb-europe.com

 

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B&B Electronics EIR608-xSFP manual Spanning-tree, Hello-time seconds, Forward-time seconds, Stp-path-cost, ~200000000