300-410 ENARSI: Implementing Cisco Enterprise Advanced Routing and ServicesDemo

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QuestionQ541

Layer 3 Technologies

Which attribute removes LFAs belonging to protected paths when network links share a common fiber?

  • A shared risk link group-disjoint
  • B linecard-disjoint
  • C lowest-repair-path-metric
  • D interface-disjoint
Explanation

The shared risk link group-disjoint attribute excludes LFA candidates that belong to any Shared Risk Link Group (SRLG) on the protected path. An SRLG represents links sharing a common fiber or other physical risk, so this prevents the repair path from sharing the same failure domain.

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