Generic routing encapsulation

Generic routing encapsulation
Communication protocol
PurposeNetwork tunneling
Developer(s)Cisco Systems
Introduction1994[1]
RFC(s)1701, 1702, 2784

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.[2]

  1. ^ S. Hanks; T. Li; D. Farinacci; P. Traina (October 1994). Generic Routing Encapsulation (GRE). Network Working Group. doi:10.17487/RFC1701. RFC 1701. Informational.
  2. ^ US 7801021B1, Nikolaos Triantafillis; Robert J. Ordemann & Simon D. Barber, "Generic routing encapsulation tunnel keepalives", issued 2010-09-21, assigned to Cisco Technology Inc.