POINT-TO-MULTI-POINT/NON-BROADCASTING MUTLI-ACCESS VPN TUNNELS
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Abstract
A system establishes a virtual private network (VPN) tunnel to a destination and determines a next hop for the VPN tunnel. The system inserts the next hop, and an address associated with the destination, into an entry of a first table. The system inserts the next hop, and a tunnel identifier corresponding to the established VPN tunnel, into an entry of a second table. The system associates one or more security parameters, used to encrypt traffic sent via the VPN tunnel, with the tunnel identifier.
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Citations
42 Claims
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1-41. -41. (canceled)
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42. A method, performed by a network device, the method comprising:
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receiving, at the network device, a data unit; performing, by the network device, a lookup in a first table to retrieve a next hop identifier, the next hop identifier corresponding to a destination of the data unit; performing, by the network device and using the retrieved next hop identifier, a lookup in a second table to identify a tunnel identifier; and forwarding, by the network device, the data unit via a tunnel corresponding to the tunnel identifier.
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Specification