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Broadband access for virtual private networks

  • US 9,467,373 B2
  • Filed: 01/23/2015
  • Issued: 10/11/2016
  • Est. Priority Date: 07/29/2003
  • Status: Expired due to Term
First Claim
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1. A method performed by an ingress interface device, the method comprising:

  • receiving data from a source device;

    encapsulating the received data into an upper layer packet;

    adding a virtual private network (VPN) identification, a destination address, and a destination option type to the upper layer packet, wherein the VPN identification is a unique identification number assigned to the source device for marking the upper layer packet as belonging to a VPN to which the source device and a destination device belong, wherein the destination option type includes a value indicating to discard the upper layer packet on a condition that an egress interface device does not recognize the destination option type; and

    forwarding the upper layer packet to at least one egress interface device.

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