Network device management method and network management system
A technology of network equipment and management method, applied in the field of network equipment management and network management system, which can solve the problems of inconvenient network equipment management and inability to directly manage network equipment, etc., and achieve the effect of comprehensive management
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[0046] As mentioned earlier, nodes located in the external network cannot arbitrarily access nodes located inside the NAT gateway, but nodes in the internal network can obtain the data they request from the external network. In other words, when the node inside the NAT gateway actively sends a message to the node in the external network, the response to the message can pass through the NAT gateway.
[0047] In the same way, to actively visit a node with a dynamic IP address, the IP address of the node must be known in advance, but after the node first sends a message, the response to the message can also reach the node.
[0048] Therefore, in the present invention, a passive network management method is adopted, that is, the managed network equipment actively establishes a connection with the network management station, and the network management station responds to its request. In this way, the network management station and the managed network equipment pass the request message ...
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