Configuring Data Center Bridging Features; Data Center Bridging Technology Overview - Dell Networking N4000 Series Configuration Manual

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.
NOTE:
The data center fatures described in this chapter are available on the Dell
Networking N4000 switches only.
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.
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.

Configuring Data Center Bridging Features

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