This 300-410 practice question tests your understanding of ipv6 tunneling techniques. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
What is the default metric for a static route pointing to a tunnel interface in Cisco IOS-XE?
0
The default metric for static routes is 0.
1
Why wrong: 1 is the administrative distance, not the metric.
10
Why wrong: 10 is not the default metric for static routes.
20
Why wrong: 20 is not the default metric for static routes.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
0
In Cisco IOS-XE, a static route pointing to a tunnel interface (e.g., a GRE or IPsec tunnel) uses a default administrative distance of 0. This is because the route is considered directly connected to the tunnel interface, and directly connected routes have an administrative distance of 0, overriding any other route type. This behavior is specific to tunnel interfaces and differs from static routes pointing to next-hop IP addresses, which default to an administrative distance of 1.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
0
Why this is correct
The default metric for static routes is 0.
Related concept
Read the scenario before looking for a memorised answer.
1
Why it's wrong here
1 is the administrative distance, not the metric.
10
Why it's wrong here
10 is not the default metric for static routes.
20
Why it's wrong here
20 is not the default metric for static routes.
Common exam traps
Cisco often tests the misconception that all static routes default to an administrative distance of 1, but the trap here is that static routes pointing to a tunnel interface are treated as directly connected, resulting in a default metric of 0, not 1.
Detailed technical explanation
When a static route points to a tunnel interface, Cisco IOS-XE treats the route as directly connected because the tunnel interface is considered a point-to-point link. The administrative distance of 0 ensures that the route is always preferred over any dynamic routing protocol or other static routes. This behavior is defined in Cisco's implementation of RFC 1812 and is critical for ensuring that traffic destined for the tunnel's remote network is forwarded without interference from other routing sources, especially in overlay networks like DMVPN or IPsec VTI.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the 300-410 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
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FAQ
IPv6 Tunneling Techniques — This question tests IPv6 Tunneling Techniques — Read the scenario before looking for a memorised answer..
The correct answer is: 0 — In Cisco IOS-XE, a static route pointing to a tunnel interface (e.g., a GRE or IPsec tunnel) uses a default administrative distance of 0. This is because the route is considered directly connected to the tunnel interface, and directly connected routes have an administrative distance of 0, overriding any other route type. This behavior is specific to tunnel interfaces and differs from static routes pointing to next-hop IP addresses, which default to an administrative distance of 1.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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.
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