How to create Subinterface in Cisco Router #interVlan #subInterface #encapsulation #dot1q #vlan

Create SubInterface in Cisco Router.
SubInterface need when you want to use your Router Inter-Vlan Routing.
Interface Vlan is virtual Layer 3 Interface.

Router(config)#interface gig 8.100
#encapsulation dot1q 100
# ip add 192.168.2.1 255.255.255.0
#no shut .