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thresholds for the buffer. This method of configuration enables you to effectively
manage and administer the behavior of lossless queues.
Example
Dell(conf)#dcb pfc-queues 4
dcb {ets | pfc} enable
Enable priority flow 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
Version Description
9.7(0.0) Introduced on the S6000-ON.
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 flow control; Similarly you may want to disable ETS
on an interface and apply QoS bandwidth configurations.
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.
• Deprecated CLI “dcb-policy input” and “no dcb pfc enable” cannot
coexist at interface level.
• Deprecated CLI “dcb-policy output” and “no dcb ets enable” cannot
coexist at interface level.
Data Center Bridging (DCB)
611