両極のPCはVLAN10に所属させる
switch0とswitch1
configure terminal vlan 10 name VLAN10 exit interface fastethernet 0/1 switchport mode access switchport access vlan 10 exit interface fastethernet0/11 switchport mode trunk switchport trunk allow vlan 10 exit interface fastethernet0/12 switchport mode trunk switchport trunk allow vlan 10 exit spanning-tree mode pvst show spanning-tree vlan 10
switch2
configure terminal vlan 10 name VLAN10 exit interface fastethernet0/11 switchport mode trunk switchport trunk allow vlan 10 exit interface fastethernet0/12 switchport mode trunk switchport trunk allow vlan 10 exit spanning-tree mode pvst show spanning-tree vlan 10
