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cisco_layer_3_switch
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cisco_layer_3_switch
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SW1>en
SW1# conf t
#Creating trunk ports
SW1(config)# int range g 1/0/1, g 1/0/2
SW1(config-if-range)# switchport encapsulate dot1q # Ensuring it uses the 802.1q encapsulation standard
SW1(config-if-range)# switchport mode trunk
SW1(config-if-range)# do show int trunk
#Creating VLANS
SW1(config)# vlan 10
SW1(config)# vlan 20
SW1(config)# vlan 777
#Creating SVI (Switched virtual Interfaces)
SW1(config)# int vlan 10
SW1(config-vlan)# ip add 10.0.0.254 255.0.0.0
SW1(config-vlan)# no shut
SW1(config-vlan)# int vlan 20
SW1(config-vlan)# ip add 172.16.0.254 255.255.0.0
SW1(config-vlan)# no shut
SW1(config-vlan)# int vlan 777
SW1(config-vlan)# ip add 192.168.0.254 255.255.255.0
SW1(config-vlan)# no shut
#Enable ROUTING
SW1(config)# ip routing
#Check setting
SW1(config)# do show vlan brief
SW1(config)# do show ip interface trunk
SW1(config)# do show ip route
SW1(config)# do show mac-address-table
f