Konfigurasi PC1, PC2, PC3 dengan menggunakan IP address, subnet mask dan gateway pada Addressing Table diatas. Konfigurasi S1 S1>ena S1#conf t S1(config)#hostname S1 S1(config)#int f0/6 S1(config-if)#switchport mode access S1(config-if)#no shutdown S1(config-if)#vlan 10 S1(config-vlan)#vlan 20 S1(config-vlan)#vlan 30 S1(config-vlan)#vlan 40 S1(config-vlan)#vlan 50 S1(config-vlan)#vlan 60 S1(config-vlan)#vlan 70 S1(config-vlan)#vlan 80 S1(config-vlan)#vlan 99 S1(config-vlan)#ex S1(config)#int f0/6 S1(config-if)#switchport access vlan 30 S1(config-if)#end S1#Show vlan brief S1#conf t S1(config)#int range f0/1-4 S1(config-if-range)#switchport mode trunk S1(config-if-range)#switchport trunk native vlan 99 S1(config-if-range)#ex S1(config)#int vlan 99 S1(config-if)#ip address 172.31.99.1 255.255.255.0 S1(config-if)#end S1#conf t S1(config)#spanning-tree mode pvst S1(config)#spanning-tree vlan 1,10,30,50,70 root primary S1(config)#end S1#show spanning...