Dell Command Line Reference Guide for the S4048–ON System 9.14.2.4

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dcbx port-role

Configure the DCBX port role the interface uses to exchange DCB information.

Syntax
dcbx port-role {config-source | auto-downstream | auto-upstream | manual}

To remove DCBX port role, use the no dcbx port-role {config-source | auto-downstream | auto-upstream | manual} command.

Parameters
config-source | auto-downstream | auto-upstream | manual
Enter the DCBX port role, where:
  • config-source: configures the port to serve as the configuration source on the switch.
  • auto-upstream: configures the port to receive a peer configuration. The configuration source is elected from auto-upstream ports.
  • auto-downstream: configures the port to accept the internally propagated DCB configuration from a configuration source.
  • manual: configures the port to operate only on administer-configured DCB parameters. The port does not accept a DCB configuration received form a peer or a local configuration source.
Defaults
Manual
Command Modes
INTERFACE PROTOCOL LLDP
Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S6100-ON.
9.8(1.0)
Introduced on the Z9100–ON.
9.8(0.0)
Introduced on the S3048-ON and S4048-ON.
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.
Usage Information

DCBX requires that you enable LLDP to advertise DCBX TLVs to peers.

Configure DCBX operation at the INTERFACE level on a switch or globally on the switch. To verify the DCBX configuration on a port, use the show interface dcbx detail command.

If you use the auto-upstream option and the port does not come up on a switch from a different vendor, manually configure the version a CEE on the peer device.


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