Generic Routing Encapsulation
Generic Routing Encapsulation (GRE) is a tunneling protocol developed by Cisco Systems that can encapsulate a wide variety of network layer protocols inside virtual point-to-point links or point-to-multipoint links over an Internet Protocol network.
| Communication protocol | |
| Purpose | Network tunneling |
|---|---|
| Developer(s) | Cisco Systems |
| Introduction | 1994 |
| RFC(s) | RFC1701, RFC1702, RFC2784 |
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