What is meant by tunneling in networking?

Question

Tunneling, also known as "port forwarding," is the transmission of data intended for use only within a private, usually corporate network through a public network in such a way that the routing nodes in the public network are unaware that the transmission is part of a private network.

Why tunnel is used in networking?

Tunneling is often used in virtual private networks (VPNs). It can also set up efficient and secure connections between networks, enable the usage of unsupported network protocols, and in some cases allow users to bypass firewalls.

What is meant by TCP tunneling?

TCP-tunneling using AnyDesk is geared towards forwarding any TCP-based protocol between the local and remote clients so that the local client can access the services/devices accessible by the remote client. For this feature to work, it requires an active AnyDesk connection between the local and remote clients.

What is tunneling in CCNA?

Tunneling is often used in networking and refers to encapsulating one packet (or frame) into another packet (or frame). One example is a VPN where we encapsulate the original IP packet into a new IP packet, encrypting the original IP packet so that nobody can see it.

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