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S e n d d o c u m e n t c o m m e n t s t o n e x u s 5 k - d o c f e e d b a c k @ c i s c o . c o m .
Troubleshooting FCoE Issues
Fibre Channel over Ethernet (FCoE) provides a method of transporting Fibre Channel traffic over a
physical Ethernet connection. FCoE requires that the underlying Ethernet be full duplex and provides
lossless behavior for Fibre Channel traffic.
This chapter describes how to identify and resolve problems that can occur with FCoE in the Cisco
Nexus 5000 Series switch.
This chapter includes the following sections:
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Data Center Bridging
VFC (FCoE) interface not online
This section includes the following topics:
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General troubleshooting
Possible Cause
An FCoE-attached server has no connectivity to FC, or FCoE-attached storage, and the show interface
command for the virtual Fibre Channel interface mapped to this server's port reveals that the VFC
interface is down.
Solution
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OL-25300-01
Data Center Bridging
FIP
CNA
PFC
Registers and Counters
General troubleshooting
Nexus 5548 Troubleshooting
Verify the configuration using the show running-config command.
Example:
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C H A P T E R
Cisco Nexus 5000 Series Troubleshooting Guide
2-1
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Troubleshooting
