Enabling Dscp To Queue Mapping; Configuring Shared Buffer Queuing - Cisco Nexus 7000 Series Configuration Manual

Configuring Queuing and Scheduling on F-Series I/O Modules

Enabling DSCP to Queue Mapping

Procedure
Step 1
Step 2
Step 3
Step 4

Configuring Shared Buffer Queuing

You enable or disable shared buffer queuing per module. You then specify the port group to change from the
default queue limit ration of 50:50 for dedicated and shared pools.
Currently, the configuring shared buffer queuing functionality is not supported on M3 modules.
The default value is no shared buffer queuing.
Note
This command is applicable only on an F3 Series module.
Procedure
Step 1
Step 2
Command or Action
switch# configure terminal
switch(config)# hardware qos dscp-to-queue
ingress module type {all | f-series | m-series}
(Optional) switch(config)# show hardware qos
dscp-to-queue ingress
(Optional) switch(config)# copy
running-config startup-config
Command or Action
switch# configure terminal
switch(config)# hardware qos shared-buffer
module module-number
Cisco Nexus 7000 Series NX-OS Quality of Service Configuration Guide
Enabling DSCP to Queue Mapping
Purpose
Enters global configuration mode.
Enables the dscp-to-queue mapping on the
specified module(s).
Note Starting with Cisco NX-OS Release
8.0(1), use the f-series keyword to
enable dscp-to-queue mapping on
M3-Series I/O modules also.
Displays information about the status of
dscp-to-queue mapping in ingress direction.
Saves the running configuration to the startup
configuration.
Purpose
Enters global configuration mode.
Enables the shared buffer queuing for the
specified module. This command enables shared
buffer queuing in the default ratio of 50:50 for
dedicated:shared queues.
The default value for shared buffer queuing is
disabled.
Use the no form of this command to disable
shared buffer queuing on the specified module.
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