Data Plane

The data plane is also called a forwarding plane. This component of a network device receives end-point traffic from a network interface and decides what to do with this traffic. It can process incoming traffic by looking at the destination address in its forwarding table and deciding on an appropriate action. This action could be to forward traffic to an outgoing interface, drop the traffic, or send it to the control plane for further processing.

In a typical Layer 2 switch, the forwarding decisions are based on the destination MAC address of data packets. The advancements in integrated circuit technologies allowed network device ...

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