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300-410 Practice Question: Drag and drop the steps to troubleshoot IPv6 over…
Drag and drop the steps to troubleshoot IPv6 over IPv4 tunnel adjacency or connectivity failures into the correct order, from first to last.
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Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
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Check tunnel interface status with 'show ipv6 interface brief'
The troubleshooting process follows a logical progression: first verify the tunnel interface is up/up, then check the IPv6 routing table for the destination prefix, inspect the tunnel source and destination IPs for correctness, verify IPv4 reachability to the tunnel destination, and finally examine ACLs or firewall rules that might block GRE protocol 47 traffic.
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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.