Dell C9000 series, Reference Manual

Page: 1793 / 2286

single command. The
buffer-pool wred
command is similar in usage and working
to the
service-class bandwidth-percentage queue-id
command.
Example
Dell(conf-wred)#wred thresh-1
Dell(conf-wred)#threshold min 100 max 200 max-drop-rate 40
Dell(conf-wred)#wred thresh-2
Dell(conf-wred)#threshold min 300 max 400 max-drop-rate 80
Dell(conf)#service-pool wred green pool0 thresh-1 pool1 thresh-2
Dell(conf)#service-pool wred yellow pool0 thresh-3 pool1 thresh-4
Dell(conf #service-pool wred weight pool0 11 pool1 4
service-class wred ecn backplane
Apply ECN marking on backplane port-queues in a service class.
C9000 Series
Syntax
[no] service-class wred ecn queue-list backplane
Parameters
service-class Define the mapping between the service class and policy-based
QoS or routing.
wred Associate WRED with ECN to mark packets instead of dropping
them.
ecn Cause explicit congestion notification (ECN) to be used to
indicate network congestion, rather than dropping packets,
queues-list Enter the queue numbers, either as individual queue
numbers separated by commas or as an inclusive list separating
the starting and ending queue numbers with a hyphen
queue-list Enter the port-queue numbers, either as individual queue
numbers separated by commas or as an inclusive list separating
the starting and ending queue numbers with a hyphen; for
example,
service-class wred ecn 0, 2, 4-6
backplane
. The range of queue IDs is 0 to 7.
backplane Specify that the ECN marking configured for each queue applies
to backplane ports.
Default By default, ECN marking is disabled on all queues.
Command Modes CONFIGURATION mode
Command History
Version Description
9.9(0.0) Introduced on the C9010.
9.3.0.0 Introduced on the Z9500 switch.
Quality of Service (QoS) 1793