Quick Answer
The answer is enabling FCoE on the switch, as this foundational step activates the Fibre Channel over Ethernet feature set required for NPV mode. FCoE NPV (N_Port Virtualization) relies on FIP snooping to inspect and validate FCoE Initialization Protocol frames, preventing unauthorized devices from joining the fabric; without FIP snooping, the NPV switch cannot properly forward traffic between the ENode and the upstream FCF, making it a mandatory configuration step. On the Cisco DCCOR 350-601 exam, this concept tests your understanding of the NPV proxy behavior versus a full FCF, often appearing in drag-and-drop or multiple-select questions where a common trap is confusing NPV with FCF requirements—remember that NPV does not perform fabric login or domain ID assignment. For a quick memory tip, think “NPV needs FIP to proxy, not to fabric.”
This 350-601 practice question tests your understanding of storage network. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
Which THREE of the following are required to configure FCoE NPV on a Cisco Nexus switch?
Enable FIP snooping.
FIP snooping prevents rogue FCoE devices.
Associate the FCoE VLAN with the VSAN.
This mapping is required to terminate FCoE traffic on the VSAN.
Configure a storage VLAN.
Why wrong: Only the FCoE VLAN is necessary; a separate storage VLAN is not used.
Configure a VSAN for FCoE.
Why wrong: VSAN is assigned to the FCoE VLAN, not configured separately.
Enable FCoE on the switch.
FCoE must be enabled to allow FCoE traffic.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Enable FIP snooping.
FIP snooping is required on the NPV switch to inspect and validate FCoE Initialization Protocol (FIP) frames, preventing unauthorized FCoE devices from joining the fabric. Without FIP snooping, the NPV switch cannot properly forward FCoE traffic between the ENode and the upstream FCF, making it a mandatory configuration step for FCoE NPV.
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.
Enable FIP snooping.
Why this is correct
FIP snooping prevents rogue FCoE devices.
Related concept
Read the scenario before looking for a memorised answer.
Associate the FCoE VLAN with the VSAN.
Why this is correct
This mapping is required to terminate FCoE traffic on the VSAN.
Related concept
Read the scenario before looking for a memorised answer.
Configure a storage VLAN.
Why it's wrong here
Only the FCoE VLAN is necessary; a separate storage VLAN is not used.
Configure a VSAN for FCoE.
Why it's wrong here
VSAN is assigned to the FCoE VLAN, not configured separately.
Enable FCoE on the switch.
Why this is correct
FCoE must be enabled to allow FCoE traffic.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Cisco often tests the distinction between configuring a VSAN on the NPV switch (which is incorrect) versus associating the FCoE VLAN with a VSAN (which is correct), leading candidates to mistakenly select 'Configure a VSAN for FCoE' as a required step.
Detailed technical explanation
FCoE NPV relies on FIP snooping to intercept and forward FIP discovery, login, and logout messages between the ENode and the upstream FCF, effectively acting as a transparent proxy. The association of the FCoE VLAN with the VSAN (option B) is done using the 'vlan vsan' command under the FCoE VLAN configuration, which maps the Layer 2 VLAN to the Fibre Channel VSAN ID for proper encapsulation. Enabling FCoE globally (option E) with 'feature fcoe' activates the FCoE protocol stack and NPV mode, which is a prerequisite for any FCoE operations on the switch.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A help-desk technician troubleshoots why a newly connected PC cannot reach shared printers on the same floor. The cable is good, the switch port is active, but the PC is in VLAN 20 and the printers are in VLAN 10. The uplink trunk only allows VLAN 10. A trunk being up does not mean every VLAN crosses it.
What to study next
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FAQ
Storage Network — This question tests Storage Network — Read the scenario before looking for a memorised answer..
The correct answer is: Enable FIP snooping. — FIP snooping is required on the NPV switch to inspect and validate FCoE Initialization Protocol (FIP) frames, preventing unauthorized FCoE devices from joining the fabric. Without FIP snooping, the NPV switch cannot properly forward FCoE traffic between the ENode and the upstream FCF, making it a mandatory configuration step for FCoE NPV.
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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