JN0-364: Service Provider Routing and Switching, Specialist (JNCIS-SP)Demo

By Juniper · Question Mode

QuestionQ3

Border Gateway Protocol (BGP)

You are assessing BGP between two Juniper routers, and the BGP session remains in the Idle state.

What could cause this behavior?

  • A The BGP hold time is too short.
  • B The BGP group type is set to internal instead of external.
  • C The local AS number is missing.
  • D The peer IP address is incorrect.
Explanation

An incorrect peer IP address prevents the router from establishing the TCP connection to the intended BGP neighbor, so the BGP finite-state machine cannot progress to an established session. Juniper documents that inability to reach a peer’s IP address indicates a TCP transport connection problem, and that BGP returns to Idle when errors occur. Troubleshooting BGP Sessions | Junos OS | Juniper Networks

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