Quick Answer
The correct answer is that the interface is configured as a DHCPv6 server using pool POOL6. This is directly confirmed by the show ipv6 dhcp interface command output, which explicitly states “GigabitEthernet0/1 is in server mode” and “Using pool: POOL6,” indicating the interface is actively serving IPv6 addresses and configuration parameters from that named pool to clients. On the Cisco CCNP ENARSI 300-410 exam, this command tests your ability to interpret DHCPv6 operational states at a glance, often contrasting server mode with client or relay modes. A common trap is assuming “Preference value: 0” or “Rapid-Commit: disabled” changes the role, but these only affect server behavior, not the mode itself. Remember the memory tip: “Server says pool, client says client, relay says relay”—the first line of the output always declares the mode, so read it before anything else.
This 300-410 practice question tests your understanding of dhcp (ipv4 and ipv6). Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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.
A network engineer runs the following command on Router R1:
R1# show ipv6 dhcp interface GigabitEthernet0/1
GigabitEthernet0/1 is in server mode Using pool: POOL6 Preference value: 0 Hint from client: ignored Rapid-Commit: disabled
Based on this output, which statement is correct?
The interface is configured as a DHCPv6 client.
Why wrong: It is in server mode.
The interface is configured as a DHCPv6 server using pool POOL6.
Server mode with pool specified.
The interface is using rapid-commit for faster address assignment.
Why wrong: Rapid-commit is disabled.
The interface is in DHCPv6 relay mode.
Why wrong: It is in server mode, not relay.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
The interface is configured as a DHCPv6 server using pool POOL6.
The command output explicitly states 'GigabitEthernet0/1 is in server mode' and 'Using pool: POOL6', which confirms that the interface is acting as a DHCPv6 server. The DHCPv6 server assigns IPv6 addresses and other configuration parameters from the specified pool to requesting clients.
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.
The interface is configured as a DHCPv6 client.
Why it's wrong here
It is in server mode.
The interface is configured as a DHCPv6 server using pool POOL6.
Why this is correct
Server mode with pool specified.
Related concept
Read the scenario before looking for a memorised answer.
The interface is using rapid-commit for faster address assignment.
Why it's wrong here
Rapid-commit is disabled.
The interface is in DHCPv6 relay mode.
Why it's wrong here
It is in server mode, not relay.
Common exam traps
Cisco often tests the ability to read the exact output of 'show ipv6 dhcp interface' and distinguish between server, client, and relay modes, where candidates may misinterpret 'server mode' as client mode or overlook the 'Rapid-Commit: disabled' line.
Detailed technical explanation
DHCPv6 server mode is configured on an interface using the 'ipv6 dhcp server POOL6' command, which binds the interface to a local DHCPv6 pool. The preference value of 0 indicates the server's preference in the server advertisement process, where a higher value makes the server more preferred; a value of 0 is the default and means no preference is advertised. The 'Hint from client: ignored' line shows that the server is not using client-provided hints for address assignment, which is typical when the server has full control over address allocation.
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
DHCP (IPv4 and IPv6) — This question tests DHCP (IPv4 and IPv6) — Read the scenario before looking for a memorised answer..
The correct answer is: The interface is configured as a DHCPv6 server using pool POOL6. — The command output explicitly states 'GigabitEthernet0/1 is in server mode' and 'Using pool: POOL6', which confirms that the interface is acting as a DHCPv6 server. The DHCPv6 server assigns IPv6 addresses and other configuration parameters from the specified pool to requesting clients.
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
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