Users Guide

the pause or resume thresholds for the buer. This method of conguration enables you to eectively manage and
administer the behavior of lossless queues.
Example
Dell(conf)# dcb pfc-queues 4
dcb {ets | pfc} enable
Enable priority ow control or enhanced transmission selection on interface.
Syntax
dcb {ets | pfc} enable
• To disable ETS on interface, use “no dcb ets enable” command.
• To disable PFC on interface, use “no dcb pfc enable” command.
Defaults Enable
Command Modes INTERFACE
Command History
This guide is platform-specic. For command information about other platforms, see the relevant Dell Networking
OS Command Line Reference Guide.
Version Description
9.8(1.0) Introduced on the Z9100–ON.
9.7(0.0) Introduced on the S6000-ON and Z9500.
9.3 (0.1) Introduced on S6000, S4810, and S4820T.
Usage Information
PFC and ETS are enabled by default on the interfaces when DCB is globally enabled (refer to dcb enable). In some
network topology, you may want to disable PFC on an interface and apply link level ow control; Similarly you may
want to disable ETS on an interface and apply QoS bandwidth congurations.
Limitations
• “dcb-map” CLI on interface is mutually exclusive to “no dcb ets enable” and “no dcb pfc enable”.
• “pfc priority” CLI is mutually exclusive to “no dcb pfc enable” command.
Data Center Bridging (DCB) 509