Topology discovery method, device and system of broadcast television network equipment
A network device and topology discovery technology, applied in the field of radio and television networks, can solve problems such as impractical radio and television systems and complex protocols, and achieve the effects of equipment fault location, fault resolution, and simplified management processes
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[0042] by image 3 In the A-B1-C2-D2-E1 branch as an example, the method for discovering the topology of the radio and television network equipment of the present invention is described in detail. The letters represent nodes, and each node corresponds to a device. The device type can be EPON equipment, EoC equipment, HFC equipment, set-top boxes or other equipment.
[0043] The first-level device is a proxy device, and its main task is to send authentication packets and receive feedback packets from the bottom-level device.
[0044] S101. The proxy device encapsulates an authentication packet of the private protocol type that is broadcast down, and sends it out through broadcasting. The data format of the authentication packet is shown in Table 1.
[0045] Table 1 shows the authentication packet format sent by the proxy device
[0046]
[0047] Among them, the destination address is the broadcast address of all F; the source address is the mac address of the agent device,...
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