Method and device for Ethernet redundancy control
A control method and Ethernet technology, applied in the network field, can solve problems such as network failure and system paralysis
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[0038] The current industrial Ethernet adopts a ring network topology, for example figure 2 Shown in the ring network topology, figure 2 The master station includes port E1 and port E2, port E1 is connected to slave station 1, slave station 1 is connected to slave station 2, and then connected to the last slave station N in turn, and then slave station N is connected back to the E2 port of the master station, so A ring network topology is formed between the master station and the slave station.
[0039] However, if a slave station in the ring network topology fails, the slave station behind the fault point will not be able to receive the service data packets sent by the master station, and the slave station will not be able to send feedback data packets to the master station , This will cause partial network failure, and even cause the entire system to be paralyzed.
[0040] Therefore, the embodiment of the present invention provides an Ethernet redundancy method to solve ...
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