IP Event Dampening suppresses route flaps caused by unstable interfaces or links:
D: By suppressing frequent route flaps, it reduces unnecessary routing updates and reduces CPU utilization and control plane processing.
E: This suppression stabilizes the overall routing system, especially in large networks where constant recalculation would otherwise occur.
Why other options are incorrect:
A: It does not directly prevent routing loops.
B: It intentionally delays re-advertising to ensure stability, not immediate switching.
C: Detection speed is unaffected; suppression happens after detection.
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