The method and router for selecting the current backup route
A router and routing technology, applied in the field of communication networks, can solve problems such as failure of the main and backup paths, unavailability of the FRR function, service impact, etc., to achieve the effect of improving security and avoiding simultaneous failures
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[0024] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0025] figure 1 It is a flowchart of a method for selecting a current backup route according to an embodiment of the present invention. The executive body in this embodiment is a router, and the network includes multiple routers and multiple data links extending between adjacent routers in the router. See figure 1 , This embodiment includes:
[0026] 101. Obtain the main route and multiple backup routes to be selected.
[0027] In this embodiment, the router maintains a routing table. The router obtains multiple routes with the same routing prefix from the routing table, and determines a primary route and multiple backup routes to be selected from the multiple routes with the same routing prefix. Optionally, the main route is determined accord...
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