Method for implementing GRE tunnel, access device and aggregation gateway
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United States of America Patent
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Feb 19, 2019
Grant Date -
May 5, 2016
app pub date -
Jan 11, 2016
filing date -
Jul 12, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A method for implementing a GRE tunnel is provided. The access device obtains an address of an aggregation gateway group including at least one aggregation gateway. The access device sends a tunnel setup request in which an address of the access device is encapsulated by using the address of the aggregation gateway group as a destination address. The tunnel setup request is used to request for setting up a GRE tunnel. The access device receives a tunnel setup accept response sent back by an aggregation gateway and obtains an address of the aggregation gateway from the response. The aggregation gateway belongs to the aggregation gateway group. The access device configures the address of the aggregation gateway as a network side destination address of the GRE tunnel. A dynamic setup of a GRE tunnel on an access network that uses an aggregation technology is implemented.
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