GRE Extensions

Document Type Expired Internet-Draft (individual)
Last updated 2001-09-13
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


The GRE specification contains a Key field, which MAY contain a value that is used to identify a particular GRE 'flow'. This specification defines a new Mobile IP extensions that is used to exchange the value to be used in the GRE Key field. This specification also introduces a new extension, called the GRE Type extension, which is used during registration to signal the GRE type that will be used for the Mobile Node's session. This extension is deemed important in order to allow the Mobility Agents to setup the necessary protocol interfaces prior to receiving the mobile's traffic.


Pat Calhoun (
Gopal Dommety (
Tom Hiller (
Pete McCann (
Yingchun Xu (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)