Command Reference Guide

Data Center Bridging | 459
Usage
Information
This command is available at the global level only.
pfc link-delay
Configure the link delay used to pause specified priority traffic.
Syntax
pfc link-delay value
To remove the link delay, use the no pfc link-delay command.
Parameters
Defaults
45556 quantum
Command Modes
DCB INPUT POLICY
Command
History
Related
Commands
Usage
Information
The minimum link delay should be greater than the round-trip transmission time required by a peer to
honor a PFC pause frame multiplied by the number of PFC-enabled ingress ports.
pfc mode on
Enable the PFC configuration on the port so that the priorities are included in DCBX negotiation with
peer PFC devices.
Syntax
pfc mode on
To disable the PFC configuration, use the no pfc mode on command.
Defaults
PFC mode is on.
Command Modes
DCB INPUT POLICY
Command
History
Usage
Information
By applying a DCB input policy with PFC enabled, you enable PFC operation on ingress port traffic.
To achieve complete lossless handling of traffic, you must also enable PFC on all DCB egress ports or
configure the dot1p priority-queue assignment of PFC priorities to lossless queues (see pfc no-drop
queues).
value
Range: (in quanta) 712-65535. One quantum is equal to a 512-bit transmission.
Version 8.3.12.0 Introduced on the S4810.
Version 8.3.16.0 Introduced on MXL 10/40GbE Switch IO Module
dcb-input Create a DCB input policy.
Version 8.3.12.0 Introduced on the S4810.
Version 8.3.16.0 Introduced on MXL 10/40GbE Switch IO Module