Whereas routing loops may cause cyber congestion or degradation due to the configuration of default routes and static summary routing entries,irrelevant routes and data forming routing loops are re-sulted.The writer argues that a static black hole route pointing to an invalid logical port can be manually configured on the LAN boundary router.When data needs to be sent through the entry,the router will di-rectly discard the data,improving cyber space and performance.The formation and solution are simulated based on the Huawei eNSP platform,and the effectiveness of black hole routing has been verified in sol-ving static routing loops.
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