| CPC H04W 12/086 (2021.01) [H04L 41/0806 (2013.01); H04W 12/037 (2021.01); H04W 48/16 (2013.01); H04W 84/20 (2013.01)] | 20 Claims |
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1. A method implemented by a child router and comprising:
coupling with an interface of a parent router, wherein the interface corresponds to a first network, wherein the first network is isolated from a second network either physically or by software, and wherein the second network is a local area network of the parent router;
accessing the first network;
obtaining, in response to accessing the first network, and from the first network, networking information to access the second network;
uncoupling from the interface;
coupling with a target interface, wherein the target interface corresponds to the second network; and
when in a non-delivery state, resetting to the delivery state by:
randomly generating a first parameter;
sending the first parameter to the parent router;
receiving from the parent router, a concatenated parameter;
decrypting the concatenated parameter using a preconfigured private key:
sending reset request information to the parent router when a first result obtained through decryption is the same as the first parameter;
receiving reply information comprising a character string obtained through encryption using the preconfigured public key after the first parameter, the second parameter, and a reset instruction are concatenated; and
decrypting the reply information using the preconfigured private key; and
resetting, based on the reset instruction to the delivery state when a second result obtained through decryption is the same as the first parameter and the second parameter;
when in the delivery state, accessing, based on the networking information, and using the target interface, the second network; and
extending a signal of the parent router, serving as a first router.
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