Alcatel-Lucent 7450 Quality Of Service Manual page 835

Ethernet service switch; service router; extensible routing system
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Table 71
that are marked with high drop precedence, for example, out-of-profile, by the service or
network ingress QoS policy will be discarded when any class queue reaches the OOP
threshold. Packets with a low drop precedence marking, for example, in profile, will be
discarded when any class queue reaches the max threshold. Only the max threshold is user
configurable and is referred to as max-queue-size in the CLI. The OOP threshold is always
set to 50% of the max threshold.
Queue threshold (in
ms@available bundle rate
Table 72
MLFR bundle.
Quality of Service Guide
and
Figure 53
provide the details of the class queue threshold parameters. Packets
Table 71: Default FR Class Queue Threshold Parameters
Class 0
Max
10
Figure 53: FR Class Queue Thresholds for In-Profile and Out-of-Profile Packets
Fabric
out
in
and
Figure 54
provide the details for the class queue scheduling parameters for an
Table 72: Default FR Class Queue Scheduling Parameters
WRR Parameters
MIR
90%
Class 1
Oop
Max
Oop
5
50
25
Service Egress SAP Queue
Scheduler
(PIR, CIR)
CBS
MBS
High-priority
Only
W1
W2
<1%
89%
QoS in MC-MLPPP
Class 2
Class 3
Max
Oop
Max
150
75
750
MDA Class Queue
out
in
MAX
Out of Profile
(OOP)
al_0194
W3
10%
Oop
375
837

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