Administrator Guide

Data Center Bridging (DCB)
On an I/O Aggregator, data center bridging (DCB) features are auto-configured in standalone mode. You can
display information on DCB operation by using show commands.
NOTE: DCB features are not supported on an Aggregator in stacking mode.
Supported Modes
Standalone, Stacking, PMUX, VLT, and Full–Switch
Topics:
Ethernet Enhancements in Data Center Bridging
Priority-Based Flow Control
Enhanced Transmission Selection
Data Center Bridging Exchange Protocol (DCBx)
Creating a DCB Map
Data Center Bridging: Default Configuration
Data Center Bridging in a Traffic Flow
Data Center Bridging: Auto-DCB-Enable Mode
Configuring Priority-Based Flow Control
Configuring Enhanced Transmission Selection
Hierarchical Scheduling in ETS Output Policies
DCBx Operation
Verifying the DCB Configuration
QoS dot1p Traffic Classification and Queue Assignment
Troubleshooting PFC, ETS, and DCBx Operation
Ethernet Enhancements in Data Center
Bridging
The following section describes DCB.
The device supports the following DCB features:
Data center bridging exchange protocol (DCBx)
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Data Center Bridging (DCB) 275