Configuring Data Center Bridging Features 983
29
Configuring Data Center Bridging
Features
This chapter describes how to manage the features developed for use in data
center environments but often used in a variety of 10G applications.
The topics covered in this chapter include:
• Data Center Bridging Technology Overview
• Priority Flow Control (PFC)
• DCB Capability Exchange (DCBX)
• Enhanced Transmission Selection (ETS)
Data Center Bridging Technology Overview
The Dell Networking N4000 switches support Data Center Bridging (DCB)
features to increase the reliability of Ethernet-based networks in the data
center.
The N4000 switches support PFC, ETS, and DCBX capability exchange, with
the ability to autoconfigure from a peer switch.
The Ethernet enhancements that DCB provides are well suited for iSCSI
applications.
Table 29-1 provides a summary of the features this chapter describes.
NOTE: The data center fatures described in this chapter are available on the Dell
Networking N4000 switches only.
Table 29-1. Data Center Features
Feature Description
PFC Provides a way to distinguish which traffic on a physical link is
paused when congestion occurs based on the priority of the traffic.
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