Reference Guide

dcbx port-role
Configure the DCBX port role the interface uses to exchange DCB information.
S4810
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
Version 8.3.12.0 Introduced on the S4810.
Version 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.
dcbx version
Configure the DCBX version used on the interface.
S4810
Syntax
dcbx version {auto | cee | cin | ieee-v2.5}
To remove the DCBX version, use the dcbx version {auto | cee | cin | ieee-
v2.5}
command.
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