Reference Guide

DCBX commands
dcbx enable
Enables DCBX globally on all port interfaces.
Syntax
dcbx enable
Parameters None
Default Disabled
Command Mode CONFIGURATION
Usage
Information
DCBX is disabled at a global level and enabled at an interface level by default. For DCBX to be
operational, DCBX must be enabled at both the global and interface levels. Enable DCBX globally with
the dcbx enable command to activate the exchange of DCBX TLV messages with PFC, ETS, and iSCSI
configurations. Use DCBX interface-level commands to configure the TLVs advertised by a DCBX-enabled
port, change the DCBX version, or disable DCBX on an interface. DCBX allows peers to advertise DCB
configuration using LLDP and self-configure with compatible settings. If you disable DCBX globally on a
switch, you can re-enable it to ensure consistent operation of peers in a converged data center network.
Example
OS10(config)# dcbx enable
Supported
Releases
10.3.0E or later
dcbx tlv-select
Configures the DCB TLVs advertised by a DCBX-enabled port.
Syntax
dcbx tlv-select {[ets-conf] [ets-reco] [pfc]}
Parameters
● ets-conf — Advertise ETS configuration TLVs.
● ets-reco — Advertise ETS recommendation TLVs.
● pfc — Advertise PFC TLVs.
Default DCBX advertises PFC, ETS Recommendation, and ETS Configuration TLVs.
Command Mode INTERFACE
Usage
Information
A DCBX-enabled port advertises all TLVs to DCBX peers by default. If PFC or ETS TLVs are disabled,
enter the command to re-enable PFC or ETS TLV advertisements. You can enable multiple TLV options
(ets-conf, ets-reco, and pfc) with the same command.
Example
OS10(conf-if-eth1/1/2)# dcbx tlv-select ets-conf pfc
Supported
Releases
10.3.0E or later
dcbx version
Configures the DCBX version used on a port interface.
Syntax
dcbx version {auto | cee | ieee}
Parameters
● auto — Automatically select the DCBX version based on the peer response.
● cee — Set the DCBX version to CEE.
● ieee — Set the DCBX version to IEEE 802.1Qaz.
Default Auto
Command Mode INTERFACE
Converged data center services 721