| 摘要 |
<p>A method and device to realize punch-through of point-to-multipoint network link status in the art area of network reliability secure are provided. The present invention implements can be used in the network with access gateway, access device, focus set and router, when there is fault on primary link between the access device and the focus set or between the focus set and the router, the access device breaks the connection with the access gateway to let gateway start the standby link for communication.</p> |
