Carry out the steps below on how to configure Subinterfaces on cisco router.
Configuring a Sub-interface is the process of dividing a single physical interface into multiple logical interfaces. This interface is used when the inter-VLAN routing option is enabled on your router, and the Virtual Local Area Network is developed at the network side. The configuration process of the sub interface process is quite similar to the physical interface. The configuration process is filled with running a set of commands. So, make sure not to make any mistake while entering the commands. In the Cisco router, the parent or root physical interface will be used for sending and receiving data between the interfaces. To know how to configure sub interface on your cisco router, read and proceed with the guided commands given below.
Now, configure sub interface on your Cisco router by running these commands:
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