Config Path Cost:
Switch(config)#int fa4/1
Switch(config-if)#spanning-tree cost 10
Switch(config)#int fa5/1
Switch(config-if)#switchport trunk encapsulation dot1q
Switch(config-if)#switchport mode trunk
Switch(config-if)#spanning-tree vlan 10 cost 20
Timers aanpassen (Default 7 switches):
spanning-tree vlan 1
root primary diameter <value>
Config root bridge:
Switch(config)#spanning-tree vlan 1 root primary
of:
Switch(config)#spanning-tree vlan 1 priority 0
Config secondairy root bridge:
Switch(config)#spanning-tree vlan 1 root secondary
of
Switch(config)#spanning-tree vlan 1 priority 4095
Config PortFast (Access Ports direct naar Forwarding state)
Switch(config)#int fa1/2
Switch(config-if)#spanning-tree portfast
of
Switch(config)#int fa1/2
Switch(config-if)#switchport host
switchport mode will be set to access spanning-tree portfast will be enabled
Config UplinkFast:
Switch(config)#spanning-tree uplinkfast
Config BackBoneFast:
Switch(config)#spanning-tree backbonefast
Config PVST met Load Balancing:
switchA(config)# spanning-tree mode pvst
switchA(config)# spanning-tree vlan 1,2,3,4,5 root primary
switchA(config)# spanning-tree vlan 6,7,8,9,10 root secondary
switchA(config)# spanning-tree backbonefast
En:
switchB(config)# spanning-tree mode pvst
switchB(config)# spanning-tree vlan 1,2,3,4,5 root secondary
switchB(config)# spanning-tree vlan 6,7,8,9,10 root primary
switchB(config)# spanning-tree backbonefast
Config RSTP:
Enable:
DLS1(config)#spanning-tree mode rapid-pvst
Defineer ports:
DLS1(config-if)#spanning-tree portfast
Optimimaliseer door configuratie primary and secondary root bridge
DLS1(config)#spanning-tree vlan 1 priority 4096
DLS2(config)#spanning-tree vlan 1 priority 8192
Load Balancing met RPVSTP:
switchA(config)# spanning-tree mode rapid-pvst
switchA(config)# spanning-tree vlan 1,2,3,4,5 root primary
switchA(config)# spanning-tree vlan 6,7,8,9,10 root secondary
en:
switchB(config)# spanning-tree mode rapid-pvst
switchB(config)# spanning-tree vlan 1,2,3,4,5 root secondary
switchB(config)# spanning-tree vlan 6,7,8,9,10 root primary
Config MST:
switchA(config)# spanning-tree mst configuration
switchA(config-mst)# name corpbuilding
switchA(config-mst)# revision 1
switchA(config-mst)# instance 1 vlan 1 – 5
switchA(config-mst)# instance 2 vlan 6 – 10
switchA(config-mst)# exit
switchA(config)# spanning-tree mst 1 root primary
switchA(config)# spanning-tree mst 2 root secondary
switchA(config)# spanning-tree mode mst
en:
switchB(config)# spanning-tree mst configuration
switchB(config-mst)# name corpbuilding
switchB(config-mst)# revision 1
switchB(config-mst)# instance 1 vlan 1 – 5
switchB(config-mst)# instance 2 vlan 6 – 10
switchB(config-mst)# exit
switchB(config)# spanning-tree mst 1 root secondary
switchB(config)# spanning-tree mst 2 root primary
switchB(config)# spanning-tree mode mst