mediumMultiple ChoiceObjective-mapped
300-410 Practice Question: Runs the following command on Router R1: R1# show…
A network engineer runs the following command on Router R1:
R1# show bgp ipv4 unicast summary
BGP router identifier 192.168.0.1, local AS number 65001 BGP table version is 10, main routing table version 10
Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 192.168.1.2 4 65002 1002 1000 10 0 0 00:15:30 5 192.168.2.2 4 65003 1005 1003 10 0 0 00:14:20 3 10.10.10.2 4 65004 0 0 0 0 0 00:00:05 Idle
Based on this output, what is the problem with neighbor 10.10.10.2?
⚠ Common exam trap
Cisco often tests the distinction between Idle (no session attempt) and Active (session attempt in progress), tricking candidates into thinking Idle means 'waiting' rather than 'not started'.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The BGP session is not established; possible misconfiguration or reachability issue.
The output shows that neighbor 10.10.10.2 is in the Idle state with zero messages sent or received, indicating the BGP session has never been established. This typically results from a misconfiguration (e.g., wrong neighbor IP, incorrect AS number, missing update-source) or a Layer 3 reachability issue preventing the TCP connection on port 179.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The neighbor is administratively shut down.
Why it's wrong here
Idle state can result from many issues, but not specifically admin shutdown without further evidence.
- ✓
The BGP session is not established; possible misconfiguration or reachability issue.
Why this is correct
Idle state with no messages indicates the session is down.
- ✗
The neighbor is in the process of establishing the session.
Why it's wrong here
Idle is not a transitional state; it indicates a failure.
- ✗
The neighbor has sent all its prefixes and is waiting for updates.
Why it's wrong here
Idle state means no session exists.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 300-410 exam.