How does route poisoning prevent routing loops?

Last Updated: Nov 29, 2022
IT Exam Items Repository › Category: CCNA 2 v4 › How does route poisoning prevent routing loops?

How does route poisoning prevent routing loops?

  • New routing updates are ignored until the network has converged.
  • Failed routes are advertised with a metric of infinity.
  • A route is marked as unavailable when its Time to Live is exceeded.
  • The unreachable route is cleared from the routing table after the invalid timer expires.

Related exam: CCNA Exploration 2: ERouting Final Exam

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