What is Generic Routing Encapsulation (GRE) in networking?
Generic Routing Encapsulation (GRE) is a tunneling protocol that can encapsulate a wide variety of network layer protocols inside virtual point-to-point links over an Internet Protocol (IP) network. GRE in Networking is a key component of many VPNs and is also used to implement Virtual Private Network (VPN) tunneling. It is also used for tunneling … Read more
