Broadcom-VMware
2V0-621 · Question #59
2V0-621 Question #59: Real Exam Question with Answer & Explanation
The correct answer is A: The network switch must have Priority-based Flow Control (PFC) set to AUTO.. FCoE in vSphere requires PFC set to AUTO on the switch, each FCoE adapter port on a separate vSwitch, and a host reboot when reassigning an FCoE port to a different vSwitch.
Question
Which three statements are correct regarding Fibre Channel over Ethernet (FCOE)? (Choose three.)
Options
- AThe network switch must have Priority-based Flow Control (PFC) set to AUTO.
- BThe network switch must have Priority-based Flow Control (PFC) set to ON.
- CEach port on the FCoE card must reside on the same vSwitch.
- DEach port on the FCoE card must reside on a separate vSwitch.
- EThe ESXi host will require a reboot after moving an FCoE card to a different vSwitch.
Explanation
FCoE in vSphere requires PFC set to AUTO on the switch, each FCoE adapter port on a separate vSwitch, and a host reboot when reassigning an FCoE port to a different vSwitch.
Common mistakes.
- B. Setting PFC to ON (hard-enabled) is not the VMware-recommended setting for FCoE; the AUTO mode is specifically called out in VMware documentation as the required configuration because it enables proper DCB negotiation with the CNA.
- C. Placing multiple FCoE card ports on the same vSwitch is explicitly unsupported - each port requires an isolated vSwitch to maintain separate fabric login sessions and prevent traffic domain collisions.
Concept tested. FCoE PFC switch configuration and vSwitch isolation requirements
Community Discussion
No community discussion yet for this question.