A linkage processing method and device
A processing method and linkage technology, applied in the field of communication, can solve the problems of the redundant backup mechanism of the gateway device being ineffective, the user cannot use the service, and the user cannot use the service normally, so as to improve the network reliability and avoid the service interruption. Effect
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[0028] Embodiment 1 of the present invention provides a linkage processing method, as shown in FIG. 2 , including the following steps:
[0029] Step s201, detecting the state of the interface of the gateway device connected to the external data network, and determining whether there is a failure. For example, the gateway device uses the BFD (Bidirectional Forwarding Detection, bidirectional forwarding detection) mechanism, and the gateway device determines whether the interface is available by detecting the link state between the router and the next-hop router; or the gateway device directly detects the state of the interface, such as Detect the status of the Ethernet interface. If the interface fails, the gateway device will perceive it; or the gateway device detects a server on the external data network through the Ping message, and if it receives a response, it indicates that the interface status is normal. Certainly, other connection / device state detection mechanisms may a...
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