Service Manual

Version Description
9.11(2.0) Introduced on the Z9100-ON and S6100-ON.
Example
pfc-asymmetric
Enables honoring of PFC frames on all queues (lossy and lossless).
Syntax
pfc-asymmetric
Defaults Enabled
Command Modes INTERFACE
Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
EMC Networking OS Command Line Reference Guide.
The following is a list of the Dell EMC Networking OS version history for this command.
Version Description
9.14(0.0) Introduced on the S5048F-ON, S6000, S6100–ON, and Z9100–ON.
Usage
Information
Used to enable honoring of PFC frames on all queues (lossy and lossless) and to initiate PFC storm
control on all queues, when PFC storm control is configured with PFC asymmetric on an interface.
1. Enable pfc asymmetric on interface.
2. Configure pfc storm control to disable the queue if the pfc storm is detected.
3. Clear the queue disable state when the queue is disabled during the pfc storm detection.
pfc-nodrop-priority l2-dlf drop
Configure to drop the unknown unicast packets flooding on lossless priorities.
Syntax
pfc-nodrop-priority l2-dlf drop
To disable the feature, use the no pfc-nodrop-priority l2-dlf drop command.
Parameters
l2-dlf Enter the keywords l2-dlf to drop flooding traffic on lossless priorities.
drop Enter the keyword drop to enable the drop action.
Command Modes CONFIGURATION
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(0.0) Introduced on the C9010, S6000, S6000–ON, Z9100–ON and S6100–ON.
Related
Commands
show hardware pfc-nodrop-priority — displays the packets drop count corresponding to the priority.
pfc no-drop queues
Configure the port queues that still function as no-drop queues for lossless traffic.
Syntax
pfc no-drop queues queue-range
To remove the no-drop port queues, use the no pfc no-drop queues command.
472 Data Center Bridging (DCB)