1.6 STP configuracao

Question 1

escolher o ROOT

Answer 1

spanning-tree vlan priority

spanning-tree vlan root [primary/secondary] [diameter x]

Question 2

mudar custo de uma porta

Answer 2

(config-if)

spanning-tree [vlan] cost

Question 3

mostrar configuracoes stp

Answer 3

sh spanning-tree [vlan x]

Question 4

mostrar configuracoes de porta (prioridade/custo)

Answer 4

sh spanning-tree interface [cost]

Question 5

configuracao port priority

Answer 5

(config-if)

spanning-tree [vlan x] port-priority

Question 6

configuracao timers (root bridge)

Answer 6

spanning-tree [vlan x] hello-timer

spanning-tree [vlan x] forward-timer

spanning-tree [vlan x] max-age

spanning-tree [vlan x] priority [diameter y] [hello-timer z]

Question 7

habilitar port-fast (global/interface)

Answer 7

spanning-tree portfast default

(config-if)
spanning-tree portfast /
switchport host (porta suporta um unico host - muda a porta p acesso, habilita portfast, disabilita o PAgP)

Question 8

mostra configuracao portfast

Answer 8

sh spanning-tree int portfast

Question 9

habilitar uplink fast

Answer 9

(config)
spanning-tree uplinkfast [max-update-rate x]

sh spanning-tree uplinkfast

Question 10

configurar/verificar backbone fast

Answer 10

Habilitar em todos os switches porque depende do mecanismo RLQ request e reply que eh ativado somente qndo o backbonefast eh habilitado
(config)
spanning-tree backbonefast

sh spanning-tree backbonefast