Reference Guide

Data Center Bridging | 475
You must reload the stack or a specified stack unit (use the reload command in EXEC Privilege mode)
for the PFC buffer configuration to take effect.
Related
Commands
dcbx port-role
Configure the DCBX port role used by the interface 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
Defaults
Manual.
Command Modes
INTERFACE PROTOCOL LLDP
Command
History
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.
Syntax
dcbx version {auto | cee | cin | ieee-v2.5}
dcb stack-unit all pfc-buffering pfc-port pfc-queues Configure the PFC buffer for all switches in the stack.
config-source |
auto-downstrea
m |
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.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.12.0 Introduced on the S4810.
Version 8.3.16.0 Introduced on MXL 10/40GbE Switch IO Module