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300-410 Practice Question: Which TWO commands can be used to verify the…
Which TWO commands can be used to verify the operational status of a manually configured IPv6 tunnel on a Cisco IOS router? (Choose TWO.)
⚠ Common exam trap
Cisco often tests the distinction between configuration verification commands (like 'show running-config') and operational status commands (like 'show interfaces' and 'show ipv6 interface'), leading candidates to mistakenly choose 'show running-config interface tunnel 0' as a verification tool for operational status.
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
✓
show interfaces tunnel 0
The 'show interfaces tunnel 0' command displays the operational status, line protocol state, and encapsulation details of the tunnel interface, which directly verifies whether the manually configured IPv6 tunnel is up/up. The 'show ipv6 interface tunnel 0' command shows IPv6-specific information such as the IPv6 address, link-local address, and whether IPv6 is enabled on the tunnel interface, confirming that IPv6 traffic can be processed. Both commands provide essential operational verification for a manually configured IPv6 tunnel, such as a 6in4 or GRE tunnel carrying IPv6.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
show interfaces tunnel 0
Why this is correct
Displays tunnel interface status, encapsulation, and counters.
- ✓
show ipv6 interface tunnel 0
Why this is correct
Shows IPv6-specific details including link-local address and ND status.
- ✗
show ipv6 route
Why it's wrong here
Shows IPv6 routing table, not tunnel interface status.
- ✗
show ipv6 tunnel 0
Why it's wrong here
This is not a valid Cisco IOS command.
- ✗
show running-config interface tunnel 0
Why it's wrong here
Shows configuration, not operational status.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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