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Method and system for inter-subnet pre-authentication

  • US 20060179307A1
  • Filed: 02/04/2005
  • Published: 08/10/2006
  • Est. Priority Date: 02/04/2005
  • Status: Active Grant
First Claim
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1. A method for performing inter-subnet pre-authentication, comprising receiving a pre-authentication request by a first access point associated with a first subnet from a mobile node requesting pre-authentication with a second access point on a second subnet;

  • forwarding the pre-authentication request to a first authenticator, wherein the first authenticator is the authenticator for the first access point;

    obtaining from a root infrastructure node, an address for a second authenticator that is the authenticator for the second access point by the first authenticator; and

    pre-authenticating the mobile node with the second authenticator by the first access point.

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