Applying A Wred Profile To Traffic; Displaying Default And Configured Wred Profiles; Displaying Wred Drop Statistics - Dell S6000–ON Configuration Manual

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wred-profile

Specify the minimum and maximum threshold values.

Applying a WRED Profile to Traffic

After you create a WRED profile, you must specify to which traffic Dell Networking OS should apply the

Dell Networking OS assigns a color (also called drop precedence) — red, yellow, or green — to each

packet based on it DSCP value before queuing it.

DSCP is a 6–bit field. Dell Networking uses the first three bits (LSB) of this field (DP) to determine the drop

DP values of 110 and 100, 101 map to yellow; all other values map to green.

If you do not configure Dell Networking OS to honor DSCP values on ingress (refer to

Values on Ingress

Packets), all traffic defaults to green drop precedence.

Assign a WRED profile to either yellow or green traffic.

QOS-POLICY-OUT mode

To display the default and configured WRED profiles, use the following command.

Display default and configured WRED profiles and their threshold values.

show qos wred-profile

To display WRED drop statistics, use the following command.

Display the number of packets Dell Networking OS the WRED profile 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 1/1/1

Drop-statistic

Dropped Pkts

Out of Profile

Quality of Service (QoS)

Honoring DSCP

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