5000 Series Layer 2/3 Managed Data Center Switch CLI Reference Guide
1150
Command Mode
•
Global Config
•
Interface Config
12-9
random-detect queue-parms
This command is used to configure WRED parameters for each drop precedence level supported by a
queue. It is used only when per-COS queue configuration is enabled (using the
cos-queue random-
detect
command).
Use the
no
command to set the WRED configuration back to the default.
Each parameter is specified for each possible drop precedence (color of TCP traffic). The last
precedence applies to all non-TCP traffic. For example, in a 3-color system, four of each parameter
specified: green TCP, yellow TCP, red TCP, and non-TCP, respectively.
random-detect queue-parms queue-id-1 [queue-id-2 … queue-id-n] min-thresh thresh-prec-1 …
thresh-prec-n max-thresh thresh-prec-1 … thresh-prec-n drop-probability prob-prec-1 … prob-prec-
n
no random-detect queue-parms queue-id-1 [queue-id-2 … queue-id-n]
Parameters
queue-id-1 queue-id-n
Enter the value ranging from 0 to 7 representing the queue ID.
queue-id-2 … queue-id-n
(Optional) Enter the value where “n” is the queue ID.
min-thresh
The minimum threshold the queue depth (as a percentage) where
WRED starts marking and dropping traffic.
max-thresh
The maximum threshold is the queue depth (as a percentage) above
which WRED marks/drops all traffic.
drop-probability
The percentage probability that WRED will mark/drop a packet, when
the queue depth is at the maximum threshold (The drop probability
increases linearly from 0 just before the minimum threshold, to this value
at the maximum threshold, then goes to 100% for larger queue depths).
Default
The default is None.
Command Mode
•
Global Config
•
Interface Config
12-10 traffic-shape
This command specifies the maximum transmission bandwidth limit for the interface as a whole. You can
also specify this value for a range of interfaces or all interfaces. Also known as rate shaping, traffic
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