scheduler-map-chassis
Syntax
scheduler-map-chassis (derived | map-name);
Hierarchy Level
[edit class-of-service interfaces interface-type-fpc/pic/*]
Description
For IQ and IQ2 interfaces, as well as on the 10x10GE MIC with SFP+, assign a custom scheduler to the packet forwarding component queues that control the aggregated traffic transmitted into the entire PIC.
Default
On Intelligent Queuing (IQ) and Intelligent Queuing 2 (IQ2) interfaces, as well as on the 10x10GE MIC with SFP+, the traffic that is fed from the packet forwarding components into the PIC uses low packet loss priority (PLP) by default and is distributed evenly across the four chassis queues (not PIC queues), regardless of the scheduling configuration for each logical interface. This default behavior can cause traffic congestion.
Options
derived—Sets the chassis queues
to derive their scheduling configuration from the associated logical
interface scheduling configuration.
map-name—Name of the scheduler
map configured at the [edit class-of-service scheduler-maps] hierarchy level.
It is always preferred that you apply a custom scheduler map
instead of using the derived option. We strongly recommend
that you do not use the derived option
if the PIC is oversubscribed.
Required Privilege Level
interface—To view this statement in the configuration.
interface-control—To add this statement to the configuration.
Release Information
Statement introduced before Junos OS Release 7.4.