R2511-HP MSR Router Series ACL and QoS Command Reference(V5)

124
low limit low-limit: Specifies the lower WRED limit value in the range of 1 to 128.
discard-probability discard-prob: Specifies the drop probability denominator in the range of 1 to 16.
Examples
# Configure the drop probability of queue 1 for the global queue-based WRED table queue-table1.
<Sysname> system-view
[Sysname] qos wred queue table queue-table1
[Sysname-wred-table-queue-table1]
[Sysname-wred-table-queue-table1] queue 1 low-limit 10 discard-probability 15
[Sysname-wred-table-queue-table1]
Related commands
qos wred table
qos wred apply
Use qos wred apply to apply a global WRED table on a port/port group.
Use undo qos wred apply to restore the default.
Syntax
qos wred apply table-name
undo qos wred apply
Default
The tail drop mode is used on a port.
Views
Interface view, port group view
Default command level
2: System level
Parameters
table-name: Name of a global WRED table.
Usage guidelines
The following matrix shows the command and router compatibility:
Command MSR900 MSR93
X
MSR20-1
X
MSR20 MSR30 MSR50 MSR1000
qos wred
apply
No No No No
Yes with only
MIM-16FSW
and
DMIM-24FSW
Layer 2
Ethernet
switching
modules
Yes with only
FIC-16FSW
and
DFIC-24FSW
Layer 2
Ethernet
switching
modules
No
A queue-based WRED table is available on only Layer 2 ports. Only queue-based WRED tables can be
applied on Layer 2 ports.