3Com 10014299 manual Displaying Debugging Congestion Avoidance, Configure a WFQ queue, Enable Wred

Displaying and Debugging Congestion Avoidance 701

Displaying and

Debugging

Congestion Avoidance

Table 741 Display and Debug Congestion Avoidance

Operation	Command
Display the WRED configuration	display qos wred [ interface type
conditions and statistic information of the	number ]
interface

Congestion Avoidance

Configuration

Example

1Configure a WFQ queue.

[Router] interface ethernet 0 [Router-Ethernet0] qos wfq

2Enable WRED.

[Router-Ethernet0] qos wred

3Configure the exponent to calculate the average WRED queue length.

[Router-Ethernet0]qos wred weighting-constant 1

4Configure the lower threshold, upper threshold, and drop probability denominator of the WRED queue with precedence 0 to be 10, 1024 and 30 respectively.

[Router-Ethernet0]qos wred ip-precedence 0 low-limit 10 high-limit

1024 discard-probability 30