DELL 9.8(0.0) User Manual

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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.
Parameters
queue-range
Enter the queue range. Separate the queue values with a 
comma; specify a priority range with a dash; for example, 
pfc no-drop queues 1,3 or pfc no-drop queues 7 
or pfc no-drop queues 0,7. The range is from 0 to 3.
Defaults
No lossless queues are configured.
Command 
Modes
INTERFACE
Command 
History
This guide is platform-specific. For command information about other platforms, 
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version
Description
9.7(0.0)
Introduced on the S6000-ON.
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
• When you configure lossless queues on an interface, PFC priority configuration 
is not allowed on the dcb-input profile applied on the interface.
• The maximum number of lossless queues globally supported on the switch is 
two.
The following lists the dot1p priority-queue assignments.
dot1p Value in the 
Incoming Frame
Description heading
0
0
1
0
2
0
3
1
Data Center Bridging (DCB)
563