13Data Center Bridging (DCB)Data center bridging (DCB) refers to a set of IEEE Ethernet enhancements that provide data centers with asingle, robust, converged network to support multiple traffic types, including local area network (LAN),server, and storage traffic.The Dell Networking operating software commands for data center bridging features include 802.1Qbbpriority-based flow control (PFC), 802.1Qaz enhanced transmission selection (ETS), and the data centerbridging exchange (DCBX) protocol.This chapter includes the following sections:• DCB Command• PFC Commands• ETS Commands• DCBX CommandsDCB CommandThe following DCB command is supported on the S4810 platform.dcb-enableEnable data center bridging.S4810Syntax 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 dcbenable command. The range is from 1 or 2.Defaults noneCommandModesCONFIGURATIONCommandHistoryThis guide is platform-specific. For command information about other platforms,refer to the relevant Dell Networking OS Command Line Reference Guide.The following is a list of the Dell Networking OS version history for this command.Data Center Bridging (DCB) 515
