Users Guide

• If you do not congure Dell Networking OS to honor DSCP values on ingress (refer to Honoring DSCP Values on Ingress
Packets), all trac defaults to green drop precedence.
• Assign a WRED prole to either yellow or green trac.
QOS-POLICY-OUT mode
wred
Displaying Default and Congured WRED Proles
To display the default and congured WRED proles, use the following command.
• Display default and congured WRED proles and their threshold values.
EXEC mode
show qos wred-profile
Displaying WRED Proles
Example of the show qos wred-prole Command.
Dell#show qos wred-profile
Wred-profile-name min-threshold max-threshold max-drop-rate
wred_drop 0 0 100
wred_teng_y 467 4671 100
wred_teng_g 467 4671 50
wred_fortyg_y 467 4671 50
wred_fortyg_g 467 4671 25
Displaying WRED Drop Statistics
To display WRED drop statistics, use the following command.
• Display the number of packets Dell Networking OS the WRED prole drops.
EXEC Privilege mode
show qos statistics wred-profile
Example of the show qos statistics wred-profile Command
Dell#show qos statistics wred-profile
Interface Te 1/1
Drop-statistic Dropped Pkts
Green 51623
Yellow 51300
Out of Profile 0
Dell#
Displaying egress-queue Statistics
To display the number of transmitted and dropped packets on the egress queues of a WRED-congured interface, use the following
command.
• Display the number of packets and number of bytes on the egress-queue prole.
EXEC Privilege mode
show qos statistics egress-queue
Quality of Service (QoS)
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