Configuring Wred - HP 4800G Series Configuration Manual

Different from RED, WRED determines differentiated drop policies for packets with different IP
precedence values. Packets with a lower IP precedence are more likely to be dropped.

Configuring WRED

Configuration Prerequisites
Before configuring WRED, determine the following:
The parameters to be configured in the WRED table
The port/port group where the WRED table is to be applied
Configuration Procedure
Follow these steps to configure WRED:
To do...
Enter system view
Create a WRED table
Configure drop
parameters for the
WRED table
Enter port
view
Enter port
view or
Enter port
port group
group
view
view
Apply the WRED table
Configuration Example
Network requirements
Create a WRED table with the default parameters and apply the WRED table to GigabitEthernet 1/0/1.
Configuration procedure
# Enter system view.
<Sysname> system-view
# Create a WRED table with the default parameters.
[Sysname] qos wred queue table queue-table1
[Sysname-wred-table-queue-table1] quit
# Apply the WRED table to GigabitEthernet 1/0/1.
[Sysname] interface GigabitEthernet 1/0/1
[Sysname-GigabitEthernet1/0/1] qos wred apply queue-table1
Use the command...
system-view
qos wred queue table table-name
queue queue-id [ drop-level
drop-level ] low-limit low-limit
[ discard-probability discard-prob ]
interface interface-type
interface-number
port-group manual port-group-name
qos wred apply table-name
6-2
Remarks
—
—
Optional
By default, the low-limit
argument is 10 and the
discard-prob argument is 10.
Use either command
The configuration performed in
Ethernet interface view applies
to the current port only. The
configuration performed in port
group view applies to all the
ports in the port group.
Required