Configuration example

Network requirements

Configuration procedure

# Enter system view.

<Sysname> system-view

# Enter interface view.

[Sysname] interface ethernet 1/1

# Enable IP precedence-based WRED.

[Sysname-Ethernet1/1] qos wred ip-precedence enable

# Set the following parameters for packets with IP precedence 3: lower threshold 20, upper threshold 40, and drop probability denominator 15.

[Sysname-Ethernet1/1] qos wred ip-precedence 3 low-limit 20 high-limit 40 discard-probability 15

# Set the exponential factor for the average queue size calculation to 6.

[Sysname-Ethernet1/1] qos wred weighting-constant 6