300-615 DCIT: Troubleshooting Cisco Data Center Infrastructure

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QuestionQ58

Storage Network

An engineer sets up FCoE between a group of ESXi hosts and a Cisco Nexus 5000 Series Switch. The host’s Converged Network Adapter does not receive the response from the Cisco Nexus device. In addition, the VFC interface is down and the FIP adapter does not receive 802.1Q-tagged frames. The host interface is configured for VLAN trunking. Which action fixes the issue?

Explanation

A bound Ethernet trunk for FCoE must use a native VLAN that is not an FCoE VLAN. FIP-capable CNAs require FCoE frames to carry the FCoE VLAN’s 802.1Q tag; assigning an FCoE VLAN as the native VLAN can cause the tag to be removed, preventing FIP discovery and keeping the VFC interface down.

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