Controller network loop detection method and device, and controller
A detection method and network loop technology, applied in the field of communications, can solve problems such as broadcast storms, network equipment threats, waste of network resources, etc., and achieve the effect of accurate detection results
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[0023] In order to solve the following problems in the prior art: under the SDN solution with complete separation of control and forwarding, there is no method to find out whether there is a loop in the network outside the domain of the controller. Once a loop occurs, the broadcast storm will cause the network to be paralyzed; the present invention provides A controller network loop detection method, device and controller are provided, and the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0024] The first embodiment of the present invention provides a method for detecting a controller network loop, the flow of the method is as follows figure 2 As shown, including steps S202 to S206:
[0025] S202. The controller sends a detection message with predet...
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