Which BGP feature ensures a loop-free IBGP path?

Last Updated: Jun 29, 2026
IT Exam Items Repository › Category: CCNP ENARSI v9 › Which BGP feature ensures a loop-free IBGP path?

Which BGP feature ensures a loop-free IBGP path?

  • IBGP AS path filter list
  • IBGP Peer groups
  • IBGP Multihop
  • IBGP Split Horizon

Explanation: The IBGP split horizon rule is the primary mechanism for preventing routing information loops within an autonomous system (AS). It dictates that any routing information received from an IBGP peer must not be forwarded to another IBGP neighbor, ensuring that updates are only relayed toward EBGP neighbors.

Related exam: Checkpoint Exam: Layer 3 Technologies – BGP

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