Users Guide

CONFIGURATION mode
Dell(conf)#qos-policy-input pp_qospolicy
5. Congure the DSCP value to be set on matched packets.
QOS-POLICY-IN mode
Dell(conf-qos-policy-in)#set ip-dscp 5
6. Create an input policy map.
CONFIGURATION mode
Dell(conf)#policy-map-input pp_policmap
7. Create a service queue to associate the class map and QoS policy map.
POLICY-MAP mode
Dell(conf-policy-map-in)#service-queue 0 class-map pp_classmap qos-policy pp_qospolicy
Enabling Buer Statistics Tracking
You can enable the tracking of statistical values of buer spaces at a global level. The buer statistics tracking utility operates in the
max use count mode that enables the collection of maximum values of counters.
To congure the buer statistics tracking utility, perform the following step:
1. Enable the buer statistics tracking utility and enter the Buer Statistics Snapshot conguration mode.
CONFIGURATION mode
Dell(conf)#buffer-stats-snapshot
Dell(conf)#no disable
Enable this utility to be able to congure the parameters for buer statistics tracking. By default, buer statistics tracking is
disabled.
2. Enable the buer statistics tracking utility and enter the Buer Statistics Snapshot conguration mode.
CONFIGURATION mode
Dell(conf)#buffer-stats-snapshot
Dell(conf)#no disable
Enable this utility to be able to congure the parameters for buer statistics tracking. By default, buer statistics tracking is
disabled.
3. To view the buer statistics tracking resource information depending on the type of buer information, such as device-level
details, queue-based snapshots, or priority group-level snapshot in the egress and ingress direction of trac, use show
hardware stack-unit <id> buffer-stats-snapshot unit <id> resource x
EXEC/EXEC Privilege mode
Dell#show hardware stack-unit 1 buffer-stats-snapshot unit 3 resource interface all
queue mcast 3
Unit 1 unit: 3 port: 1 (interface Fo 1/144)
---------------------------------------
Q# TYPE Q# TOTAL BUFFERED CELLS
---------------------------------------
MCAST 3 0
Unit 1 unit: 3 port: 5 (interface Fo 1/148)
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696
Quality of Service (QoS)