Users Guide
13
Data Center Bridging (DCB)
Data center bridging (DCB) refers to a set of IEEE Ethernet enhancements that provide data centers with a single, robust,
converged network to support multiple trac types, including local area network (LAN), server, and storage trac.
The Dell Networking OS commands for data center bridging features include 802.1Qbb priority-based ow control (PFC), 802.1Qaz
enhanced transmission selection (ETS), and the data center bridging exchange (DCBX) protocol.
This section includes the following:
• DCB Command
• PFC Commands
• ETS Commands
• DCBX Commands
DCB Command
The following DCB command is supported on the Dell Networking OS.
dcb-enable
Enable data center bridging.
Syntax
dcb enable[pfc-queues 1|4]
To disable DCB, use the no dcb enable command.
Parameters
pfc-queues Enter the pfc-queue range. To disable DCB, use the no dcb enable command. The
range is from 1 or 2.
Defaults None
Command Modes CONFIGURATION
Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell
Networking OS Command Line Reference Guide.
Version Description
9.7(0.0) Introduced on the S6000-ON and Z9500.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.12.0 Introduced on the S4810.
8.3.16.0 Introduced on the MXL 10/40GbE Switch IO Module.
Data Center Bridging (DCB)
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