Cisco N5K-M1600 - Expansion Module - 6 Ports Troubleshooting Manual page 30

Data Center Bridging
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 .
Note
Nexus 5548 Troubleshooting
Possible Cause
The type of Converged Network Adapter might not be supported.
Solution
Ensure that the type of adapter is supported. The FCoE interface only supports a Generation-2
Converged Network Adapter.
Possible Cause
The FCoE class-fcoe system class is not enabled in the QoS configuration.
Solution
For a Cisco Nexus 5548 switch, the FCoE class-fcoe system class is not enabled by default in the QoS
configuration. Before enabling FCoE, you must include class-fcoe in each of the following policy types:
•
•
•
The following is an example of a service policy that needs to be configured:
F340.24.10-5548-1
class-map type qos class-fcoe
class-map type queuing class-fcoe
match qos-group 1
class-map type queuing class-all-flood
match qos-group 2
class-map type queuing class-ip-multicast
match qos-group 2
class-map type network-qos class-fcoe
match qos-group 1
class-map type network-qos class-all-flood
match qos-group 2
class-map type network-qos class-ip-multicast
match qos-group 2
system qos
service-policy type qos input fcoe-default-in-policy
service-policy type queuing input fcoe-default-in-policy
service-policy type queuing output fcoe-default-out-policy
service-policy type network-qos fcoe-default-nq-policy
Cisco Nexus 5000 Series Troubleshooting Guide
2-6
auto Advertise priority-flow-control capability
on Turn on priority-flow-control
The default setting for this command is auto. The no option returns the mode to auto.
Network-QoS
Queuing
QoS
Chapter 2 Troubleshooting FCoE Issues
OL-25300-01