Solution to route flapping when routes are imported to each othe

When static routes, OSPF routes, and IS-IS routes are imported to each other, the source route will be changed because the priority of each routing protocol is different.
Solution: Frequent route flapping consumes much bandwidth and CPU resources and even seriously affects the normal operation of a network. When routing protocols import routes from each other, exercise caution. In particular, when multiple routing protocol import routes from each other, route flapping or even loop easily occurs.
For details, see Route Flapping Occurs When Multiple Routing Protocols Import Routes from Each Other on AR Routers.

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