| 摘要 |
A method, system, and apparatus for creating an Internet Protocol (IP) based reverse tunnel is described. The method includes receiving at an external agent ( 112 ) a registration request message from a mobile station ( 106 ). The method further includes sending from the external agent, an extension with the registration request message indicating support for creation of the reverse tunnel. Further, the method includes sending an extension together with registration reply from the local agent ( 110 ) to the external agent allowing the creation of the reverse tunnel if the extension from the external agent indicates that the reverse tunnel is supported by the external agent.
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