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Alcatel-Lucent
7450 ETHERNET SERVICE SWITCH
7750 SERVICE ROUTER
7950 EXTENSIBLE ROUTING SYSTEM
QUALITY OF SERVICE GUIDE
RELEASE 14.0.R1
QUALITY OF SERVICE GU
IDE RELEASE 14.0
.R1
Alcatel-L
ucent Proprie
tary
This document co
ntains proprie
tary informati
on of Alcatel-Lu
cent and is not to be d
isclosed or us
ed except in
accordance wi
th applic
able agreeme
nts.
Copyright 20
16 © Alcatel-
Lucent. All
rights reser
ved.
2
Table of Contents
Default Chapter
3
Table of Contents
3
Getting Started
15
About this Guide
15
Alcatel-Lucent SR-Series Router Services Configuration Process
15
Qos Policies
17
In this Chapter
17
Qos Overview
17
Forwarding Classes
18
High Priority Classes
19
Assured Classes
20
Best-Effort Classes
20
Queue Parameters
21
Queue ID
21
Unicast or Multipoint Queue
21
Committed Information Rate
22
Queue Hardware Scheduler
22
Peak Information Rate
23
Adaptation Rule
24
Committed Burst Size
25
High Priority Only Buffers
26
Maximum Burst Size
26
Hi-Low Priority Only Buffers
27
WRED Per Queue
27
Native Queue Mode
28
Pool Per Queue Mode
31
Packet Markings
34
Queue Counters
35
Color Aware Profiling
36
Queue-Types
36
Qos Policies
37
Service Versus Network Qos
40
Qos Policy Entities
41
Network Qos Policies
42
Network Queue Qos Policies
44
Service Ingress Qos Policies
47
FC Mapping Based on EXP Bits at VLL/VPLS SAP
50
Egress Forwarding Class Override
53
Service Egress Qos Policies
54
Named Pool Policies
56
Slope Policies
58
RED Slopes
59
Tuning the Shared Buffer Utilization Calculation
62
Slope Policy Parameters
64
Scheduler Policies
65
Virtual Hierarchical Scheduling
67
Tiers
68
Scheduler Policies Applied to Applications
71
Scheduler Policies Applied to Saps
73
Customer Service Level Agreement (SLA)
74
Scheduler Policies Applied to Multi-Service Sites
74
Shared Queues
74
ATM Traffic Descriptor Profiles
75
Configuration Notes
75
Network Qos Policies
77
In this Section
77
Overview
77
Network Ingress Tunnel Qos Override
78
For Tunnel Terminated IP Routing Decisions
78
Qos for Self-Generated (CPU) Traffic on Network Interfaces
81
Basic Configurations
84
Create a Network Qos Policy
84
Applying Network Policies
86
Default Network Policy Values
87
Service Management Tasks
91
Deleting Qos Policies
91
Remove a Policy from the Qos Configuration
92
Copying and Overwriting Network Policies
93
Editing Qos Policies
94
Network Qos Policy Command Reference
95
Command Hierarchies
95
Configuration Commands
95
Self-Generated Traffic Commands
97
Operational Commands
98
Show Commands
98
Command Descriptions
99
Configuration Commands
99
Operational Commands
99
Show Commands
133
Network Queue Qos Policies
147
In this Section
147
Overview
147
Network Queue Parent Scheduler
148
Basic Configurations
148
Create a Network Queue Qos Policy
148
Applying Network Queue Policies
151
Xmas and Mdas
151
Ethernet Ports
152
SONET/SDH Ports
153
Default Network Queue Policy Values
153
Service Management Tasks
158
Deleting Qos Policies
159
Remove a Policy from the Qos Configuration
159
Copying and Overwriting Qos Policies
159
Editing Qos Policies
160
Network Queue Qos Policy Command Reference
161
Command Hierarchies
161
Configuration Commands
161
Operational Commands
162
Show Commands
162
Command Descriptions
162
Configuration Commands
162
Operational Commands
163
Show Commands
185
Service Egress and Ingress Qos Policies
189
In this Section
189
Overview
190
Basic Configurations
190
Service Egress Qos Policy
191
Service Egress Qos Queue
192
Percent-Rate Support
192
Dynamic MBS for Egress Queue Group Queues
193
Queue Length as a Delay Value
195
Egress SAP Forwarding Class and Forwarding Profile Overrides
196
Egress Criteria Classification Directly to Policer
197
Dot1P Egress Remarking
199
DEI Egress Remarking
200
Dscp/Prec Egress Remarking
204
Queue Depth Monitoring
205
Service Ingress Qos Policy
207
Service Ingress Qos Queue
208
Percent-Rate Support
209
Service Ingress Forwarding Class (FC)
210
Service Ingress IP Match Criteria
211
Service Ingress Ipv6 Match Criteria
212
Service Ingress MAC Match Criteria
212
VLAN ID Matching
213
Ingress Criteria Classification Directly to Policer
214
Virtual Network Identifier (VNI) Classification
215
FC Mapping Based on EXP Bits
216
Service Management Tasks
217
Applying Service Ingress and Egress Policies
217
Epipe
218
Ies
218
Vpls
219
Vprn
219
Editing Qos Policies
220
Copying and Overwriting Qos Policies
220
Deleting Qos Policies
221
Remove a Policy from the Qos Configuration
221
Service SAP Qos Policy Command Reference
223
Command Hierarchies
223
Service Ingress Qos Policy Commands
223
Service Egress Qos Policy Commands
227
Operational Commands
230
Show Commands
231
Command Descriptions
231
Configuration Commands
231
Operational Commands
232
Show Commands
370
Queue Sharing and Redirection
389
In this Section
389
Supported Platforms
390
Queue Group Applications
390
Access SAP Queue Group Applications
390
Ingress Access Port Queue Group Hardware Queue Allocation
391
Network Port Queue Groups for IP Interfaces
392
Pseudowire Shaping for Layer 2 and Layer 3 Services
392
Qos on Ingress Bindings
393
Queue Group Templates and Port Queue Groups
395
Queue Group Templates
395
Port Queue Groups
396
Percent-Rate Support
396
Forwarding Plane Queue Groups
396
Redirection Models
397
Access SAP Forwarding Class Based Redirection
398
Ingress and Egress SAP Forwarding Class Redirection Association Rules
400
Policy Based Provisioning Model
400
SAP-Based Provisioning Model
402
Access Queue Group Statistics
404
Forwarding Plane Queue Groups
404
Port Queue Groups
404
Network IP Interface Forwarding Class-Based Redirection
405
Egress Network Forwarding Class Redirection Association Rules
405
Egress Network IP Interface Statistics
407
Separate Ingress Ipv4 and Ipv6 Statistics
407
Ingress PW Shaping Using Spoke-SDP Forwarding Class-Based Redirection
407
Feature Configuration
408
Provisioning Model
409
Ingress Packet Classification
411
Egress PW Shaping Using Spoke-SDP Forwarding Class-Based Redirection
411
Feature Configuration
411
Provisioning Model
412
Egress Marking of PW Packet Header
414
Egress Packet Re-Classification Based on Ipv4/Ipv6 Criteria
414
Ingress Per SAP Statistics with Ingress Queue Groups
415
Ingress and Egress PW Statistics
417
Queue Group Behavior on LAG
418
Queue Group Queue Instantiation Per Link
418
Basic Configurations
419
Configuring Egress Queue Group Template
420
Applying Egress Queue Group to SAP Egress Policy
421
SAP-Based Egress Queue Re-Direction
422
Configuring Queue Group on Ethernet Access Ingress Port
423
Configuring Overrides
424
Configuring Queue Group on Ethernet Access Egress Port
425
Configuring Queue Group for Network Egress Traffic on Port
426
Configuring Queue Group for Network Ingress Traffic on Forwarding Plane
427
Using Queue Groups to Police Ingress/Egress Traffic on Network Interface
428
Configuring Ingress/Egress PW Shaping Using Spoke-SDP Forwarding Class-Based Redirection
429
Specifying Qos Policies on Service Saps
432
Qos Queue Group Template Command Reference
433
Configuring Ingress Queue Group Templates
434
Show Commands
436
Command Descriptions
437
Show Commands
466
Monitor Commands
500
Qos Scheduler Policies
505
Egress Port-Based Schedulers
506
Service/Subscriber or Multi-Service Site Egress Port Bandwidth Allocation
508
Service or Subscriber or Multi-Service Site Scheduler Child to Port Scheduler Parent
510
Frame and Packet-Based Bandwidth Allocation
513
Queue Parental Association Scope
515
Service or Subscriber or Multi-Service Site-Level Scheduler Parental Association Scope
516
Network Queue Parent Scheduler
517
Congestion Monitoring on Egress Port Scheduler
518
Frame-Based Accounting
524
Existing Egress Port Based Virtual Scheduling
525
Virtual Scheduling Unused Bandwidth Distribution
526
Limit Unused Bandwidth
527
Configuring Port Scheduler Policies
529
Packet to Frame Bandwidth Conversion
530
Aggregate Rate Limits for Directly Attached Queues
531
Network Queue Qos Policy Queue Parenting
532
Applying Aggregate Rate Limit to a VPORT
534
Weighted Scheduler Group in a Port Scheduler Policy
536
Create a Qos Scheduler Policy
537
Applying Scheduler Policies
538
Creating a Qos Port Scheduler Policy
542
Configuring Port Parent Parameters
543
Above-CIR Priority Level Parameters
544
Service Management Tasks
556
Removing a Qos Policy from a Customer Multi-Service Site
557
Removing a Policy from the Qos Configuration
558
Editing Qos Policies
560
Qos Scheduler Policy Command Reference
561
Operational Commands
562
Clear Commands
563
Command Descriptions
564
Scheduler Policy Commands
565
Port Scheduler Policy Commands
573
Show Commands
581
Clear Commands
617
Slope Qos Policies
621
Basic Configurations
622
Applying Slope Policies
623
Default Slope Policy Values
625
Deleting Qos Policies
626
Mda (Fp1)
627
Remove a Policy from the Qos Configuration
628
Editing Qos Policies
629
Slope Qos Policy Command Reference
631
Show Commands
632
Show Commands
638
Shared-Queue Qos Policies
641
Multipoint Shared Queuing
642
Basic Configurations
647
Applying Shared-Queue Policies
648
Default Shared Queue Policy Values
650
Shared-Queue Qos Policy Command Reference
655
Command Descriptions
656
Show Commands
659
Advanced Qos Policies
669
Overview
670
SAP Ingress
671
Operational Commands
675
Qos ATM Traffic Descriptor Profiles
691
Overview
692
Congestion Avoidance
693
Shaping
694
Configuration Commands
699
Operational Commands
700
ATM Service Categories
704
Show Commands
707
Basic Configurations
717
Named Pools
719
Overview
720
Basic Configuration
721
Allocation Steps
723
Command Hierarchies
725
Show Commands
726
Named Pool Policy Creation
727
Network Queue Qos Policy Commands
744
Show Commands
745
Queue Scaling
756
High Scale Ethernet MDA Capabilities
757
HSMDA Qos Model
758
Dual Pass Queuing
760
Packet and Octet Counting
762
Above CIR Discard with PIR Bypass
764
HSMDA Buffer Utilization Controls
766
Provisioned and System Port Class Pools
767
Aggregate Pools for Type and Class Separation
768
Use of Aggregate Control Buffer Pools
769
HSMDA Buffer Pool Policy
771
Port Class Pool Sizing
773
HSMDA Queue Congestion and Buffer Utilization Controls
774
Maximum HSMDA Queue Depth
775
HSMDA Slope Policy MBS Parameter
776
HSMDA Slope Shutdown Behavior
780
HSMDA Queue Congestion or Pool Congestion Discard Stats
781
Egress Queue CIR Based Dot1P Remarking
782
SAP Ingress and SAP Egress Qos Policies
784
SAP Egress Qos Policy
785
HSMDA Features
786
HSMDA Queue Groups
792
Scheduling Class Weighted Groups
804
Qos in MC-MLPPP
829
Overview
830
Ingress MLPPP Class Reassembly
831
Basic Configurations
832
Configuring MC-MLPPP
834
Qos in MLFR and FRF.12 Fragmentation
836
Qos in FRF.12 End-To-End Fragmentation
837
MLPPP Command Reference
839
Command Descriptions
840
Class Fair Hierarchical Policing (CFHP)
847
Class Fair Hierarchical Policing (CFHP)
848
Parent Policer Priority and Unfair Sensitive Discard Thresholds
848
CFHP Ingress and Egress Use Cases
849
Egress CFHP Queuing
850
Egress Subscriber CFHP Queuing
851
Subscriber Destination String Queue Group Identification
852
CFHP Policer Control Policy
853
Tier 1 and Tier 2 Explicit Arbiters
854
CFHP Child Policer Definition and Creation
855
Policer Enabled SAP Qos Policy Applicability
856
Profile Capped Policers
857
Policer Interaction with Initial Profile, Discard Eligibility, and Ingress Priority
859
Ingress 'Undefined' Initial Profile
861
Ingress Explicitly 'In-Profile' State Packet Handling with Profile-Capped Mode
862
Preserving out of Profile State at Egress Policer
863
Forwarding Traffic Exceeding PIR in Egress Policers
864
Egress Child Policer Stat-Mode
867
Profile Preferred Mode Root Policers
870
Class Fair Hierarchical Policing (CFHP) Policy Command Reference
871
Command Descriptions
872
In this Chapter
885
Frequently Used Qos Terms
887
Above CIR Distribution
888
Available Bandwidth
890
Level
891
CIR Level
892
Rate
893
Frame Relay
896
Quality of Service
909
Other manuals for Alcatel-Lucent 7450
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778 pages
System Management Guide
554 pages
Basic System Configuration Guide
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Guide
816 pages
Brochure
12 pages
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Alcatel-Lucent 7450 Specifications
General
Brand
Alcatel-Lucent
Model
7450
Category
Network Router
Language
English
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