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Alcatel-Lucent 7210 SAS Series User Manual
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7210 SAS D, E, K OS Quality of S
ervice Guide
Page 19
QoS P
olicies
In This Chapter
This cha
pter p
rovides in
forma
tion ab
out Qual
ity of S
ervice
(QoS)
policy
manage
ment.
T
opics
in this
chapte
r include
:
•
QoS O
verview
on page
20
•
Schedul
ers on p
age
82
•
CPU Qu
eues
on pag
e
85
18
20
Table of Contents
Default Chapter
3
Table of Contents
3
Applying Slope Policies
9
Default Slope Policy Values for 7210 SAS-E
9
Default Slope Policy Values for 7210 SAS-D
10
Preface
13
List of Technical Publications
14
Technical Support
15
Getting Started
17
Getting Started
18
Alcatel-Lucent 7210 SAS-Series Services Configuration Process
18
Table 1: Configuration Process
18
Qos Policies
19
Qos Overview
20
Qos Policies
20
Overview of Qos Policies on 7210 SAS-D and 7210 SAS-E
21
Overview of Qos Policies on 7210 SAS-K
23
Editing Qos Policies
23
Slope Qos Policy Command Reference
25
Table 2: Qos Policy Types and Descriptions for 7210 SAS-D, E
26
Table 4: Qos Policy Types and Descriptions for 7210 SAS-K
27
Figure 1: 7210 SAS-D, E Service and Network Traffic Types and Qos Model
29
Figure 2: 7210 SAS- K Service and Network Traffic Types and Qos Model
29
Service and Network Qos Policies on 7210 SAS-D, 7210 SAS-E and 7210 SAS-K
29
Network Qos Policies
30
Table 5: Default Network Qos Policy Egress Marking
31
Network Queue Qos Policies
32
Table 6: Default Network Qos Policy Dot1P to FC Mapping
32
Qos Policies
33
Table 7: Default Network Queue Policy Definition
33
Meter Parameters
35
Meter ID
35
Committed Information Rate
35
Peak Information Rate
36
Adaptation Rule for Meters
36
Adaptation Rule for Meters in 7210 SAS-E Devices
36
Adaptation Rule for Meters in 7210 SAS-D Devices
37
Committed Burst Size (for Meters/Policers)
37
Table 8: Administrative Rate Example for 7210 SAS-E
37
Maximum Burst Size (for Meters/Policers)
38
Meter Counters
38
Meter Modes
38
Color-Aware and Color-Blind Policing/Metering
39
Qos Overrides
40
Configuration Guidelines of Qos Override
40
Configuring Meter Override Parameters
40
Queue Parameters
41
Queue ID
41
Committed Information Rate
41
Peak Information Rate
42
Adaptation Rule for Queues
43
Table 9: Supported Hardware Rates and CIR/PIR Values for 7210 SAS-D and E Devices
43
Committed Burst Size
44
Maximum Burst Size
44
Table 10: Default CBS and MBS Values
45
Queue Counters
46
Queue - Ingress Profile Assignment on 7210 SAS-K
46
Queue - Weight and Priority on 7210 SAS-K
46
Service Ingress Qos Policies
47
Service Ingress Qos Policies on 7210 SAS-D and 7210 SAS-E
47
Figure 3: Traffic Policing and Queuing Model for Forwarding Classes
48
Service Ingress Qos Policies on 7210 SAS-K
49
Table 11: Default Service Ingress Policy ID 1 Definition
49
Figure 4: Traffic Queuing Model for Forwarding Classes
50
Service Ingress Classification
51
Service Ingress Classification on 7210 SAS-D and 7210 SAS-E
51
Table 12: Default Service Ingress Policy ID 1 Definition for 7210 SAS-K
51
Service Ingress Classification - IP and Mac Packet Fields
52
Table 13: Service Ingress Qos Policy IP Match Criteria for 7210 SAS-D and SAS-E
53
Table 14: Service Ingress Qos Policy Ipv6 Match Criteria for 7210 SAS-D and 7210 SAS-E
53
Table 15: Service Ingress Qos Policy MAC Match Criteria for 7210 SAS-D and SAS-E
53
Service Ingress Classification on 7210 SAS-K - IP and MAC Packet Fields
54
Table 16: MAC Match Ethernet Frame Types
54
Table 17: MAC Match Criteria Frame Type Dependencies
54
Table 18: Service Ingress Qos Policy IP Match Criteria for 7210 SAS-K
55
Table 19: Service Ingress Qos Policy Ipv6 Match Criteria for 7210 SAS-K
55
Table 20: Service Ingress Qos Policy MAC Match Criteria for 7210 SAS-K
55
Table 21: Lists the Criteria that Can be Matched for the Various MAC Frame Types
55
Service Ingress Classification on 7210 SAS-K
56
Table 22: MAC Match Criteria Frame Type Dependencies
56
Hierarchical Ingress Policing
58
Service Egress Qos Policies on 7210 SAS-K
58
Editing Qos Policies
58
Access Egress Qos Policies on 7210 SAS-D and 7210 SAS-E
60
Table 23: Default Service Egress Policy ID 1 Definition
60
Table 24: Default Access Egress Policy ID 1 Definition
61
Buffer Pools
63
Buffer Pools on 7210 SAS-E and 7210 SAS-D
63
Buffer Pools on 7210 SAS-K
63
Ring and Non-Ring Buffer Pool on 7210 SAS-K
64
Configuration Guidelines for CBS and MBS
66
Slope Policies
66
RED Slopes
67
Operation and Configuration for 7210 SAS-E
67
Operation and Configuration for 7210 SAS-D
67
Simplified Overview of RED for 7210 SAS-D
68
Figure 5: RED Slope Characteristics
69
Tuning the Shared Buffer Utilization Calculation
70
Table 25: TAF Impact on Shared Buffer Average Utilization Calculation
70
Slope Policy Parameters for 7210 SAS-E Devices
72
Table 26: Default Slope Policy Definition
72
Slope Policy Parameters for 7210 SAS-D
73
Table 27: Drop Rate Value to Percent Mapping Values
73
Slope Policy Parameters for 7210 SAS-K
74
Table 28: Default Slope Policy Definition for 7210 SAS-D
74
Table 29: Default Slope Policy Definition for 7210 SAS-K
75
Schedulers
76
Port Scheduler Policies on 7210 SAS-D, E
76
Scheduler Modes
76
Table 30: Minimum and Maximum Bandwidth Meters Example
76
Scheduler on 7210 SAS-K
78
CPU Queues
79
CPU Queues on 7210 SAS-D, SAS-E
79
CPU Queues on SAS-K
79
Egress Port Rate Limiting
79
Forwarding Classes
79
Forwarding-Class to Queue ID Mapping
80
FC to Queue ID Mapping for 7210 SAS-E and 7210 SAS-D
80
Table 31: Forwarding Classes
80
FC to Queue ID Mapping for 7210 SAS-K
81
Qos Policy Entities
81
Table 32: Forwarding Class to Queue-ID Map
81
Configuration Notes
82
Discard Eligibility Indicator (DEI) Based Classification and Marking
84
DEI Based Classification on 7210 SAS-D
84
DEI Based Marking on 7210 SAS-D
85
Configuration Guidelines for 7210 SAS-D
86
DEI Based Classification on 7210 SAS-K
87
DEI Based Marking on 7210 SAS-K
88
Port Level Egress Rate-Limiting
89
Overview
90
Applications
90
Effect of Port Level Rate-Limiting on Access Uplink Queue Functionality
91
Basic Configurations
92
Modifying Port Level Egress-Rate Command
93
Removing Port Level Egress-Rate Command
94
Default Egress-Rate Values
94
Port Level Egress-Rate Command Reference
95
Frame Based Accounting
101
Overview
102
Frame Based Accounting on 7210 SAS-E and 7210 SAS-D
102
7210 Sas-D
102
E and 7210 SAS-D
102
Frame Based Accounting and Accounting and Statistics on 7210 SAS-E and 7210 SAS-D
103
Frame Based Accounting on 7210 SAS-K
103
Basic Configurations on 7210 SAS-E and 7210 SAS-D
104
Enabling and Disabling Frame-Based Accounting on 7210 SAS-E and 7210 SAS-D
105
Frame Based Accounting Command Reference
107
Configuration Commands
108
Show Commands
109
Network Qos Policies
115
Overview
116
Normal Qos Operation
118
DSCP Marking CPU Generated Traffic
119
Network Qos Policies
119
Table 33: DSCP and Dot1P Marking
119
Default DSCP Mapping Table
121
Basic Configurations
122
Create a Network Qos Policy
122
Configuring Network Policy (Type - Port) for Access-Uplink Mode
124
Configuration of DSCP and Dot1P Classification Policies on 7210 SAS-K
125
Default Network Policy Values
126
Table 34: Network Policy Defaults
126
Table 35: Default Network Qos Policy Dot1P to FC Mapping
127
Service Management Tasks
134
Deleting Qos Policies
134
Remove a Policy from the Qos Configuration
135
Copying and Overwriting Network Policies
135
Editing Qos Policies
136
Resource Allocation for Network Qos Policy on 7210 SAS-D and 7210 SAS-E
137
Resource Allocation for Network Qos Policy for 7210 SAS-K
138
Network Qos Policies Resource Usage Examples for 7210 SAS-D and 7210 SAS-E
139
Network Qos Policy Command Reference
147
Table 36: Show Qos Network Output Fields
179
Network Queue Qos Policies
193
Overview
194
Basic Configurations
195
Create a Network Queue Qos Policy
195
Applying Network Queue Policies
197
Ethernet Ports
197
Default Network Queue Policy Values
198
Service Management Tasks
203
Deleting Qos Policies
203
Copying and Overwriting Qos Policies
204
Editing Qos Policies
206
Network Queue Qos Policy Command Reference
207
Service Ingress Qos Policies
225
Overview of Service Ingress Policy on 7210 SAS-D and 7210 SAS-E
226
Overview of Service Ingress Policy on 7210 SAS-K
227
Configuration Guidelines for SAP Ingress Policy for 7210 SAS-K
227
Default SAP Ingress Policy on 7210 SAS-D and 7210 SAS-E
229
Default SAP Ingress Policy for 7210 SAS-K
230
SAP Ingress Policy Defaults for 7210 SAS-D, E
232
Table 40: SAP Ingress Policy Defaults
232
SAP Ingress Policy Defaults for 7210 SAS-K
233
Use of Index File by SAP Qos Ingress Policy for 7210 SAS-D, 7210 SAS-E. and 7210 SAS-K
233
Service Ingress Meter Selection Rules for 7210 SAS-D and E
236
Service Ingress Qos Policy Configuration Considerations for 7210 SAS-D, E
239
Resource Allocation for Service Ingress Qos Policy Classification Rules for 7210 SAS-D and E
240
Resource Allocation for Service Ingress Qos Policy Classification Rules for 7210 SAS-K
242
D and E
245
Service Ingress Qos Policies
232
Basic Configurations
249
Create Service Ingress Qos Policies
249
Service Ingress Qos Policy
250
Applying Service Ingress Policies
278
Service Management Tasks
280
Deleting Qos Policies
280
Remove a Qos Policy from Service SAP(S)
280
Copying and Overwriting Qos Policies
281
Remove a Policy from the Qos Configuration
282
Editing Qos Policies
282
Service SAP Qos Policy Command Reference
283
Access Egress Qos Policies
339
Overview
340
Basic Configurations
340
Modifying Access Egress Qos Queues
341
Applying Access Egress Qos Policies
342
Default Access Egress Qos Policy Values
343
Table 41: Access Egress Default Policy Details
343
Deleting Qos Policies
347
Removing a Policy from the Qos Configuration
347
Access Egress Qos Policies
343
Access Egress Qos Policy Command Reference
349
Service Egress Policies
369
Overview
370
Configuration Guidelines for SAP Egress Policy
371
Basic Configurations
373
Create a SAP Egress Policy
373
Editing Qos Policies
374
Service Egress Policy Command Reference
375
Schedulers on 7210 SAS-K
391
Overview
392
Schedulers on 7210 SAS-K
393
Figure 6: Scheduler in 7210 SAS-K
393
Qos Port Scheduler Policies
395
Overview
396
Configuring Port Scheduler Policies
396
Basic Configurations
397
Creating a Qos Port Scheduler Policy
398
Copying and Overwriting Port Scheduler Policies
399
Service Management Tasks
400
Editing Qos Policies
401
Qos Port Scheduler Policy Command Reference
403
Slope Qos Policies
413
Overview of Buffer Pools on 7210 SAS-E and 7210 SAS-D
414
Configuration Guidelines for 7210 SAS-D
414
Table 1: Slope Behavior Table (Applicable to 7210 SAS-D)
415
Slope Qos Policies
415
Overview of Buffer Pools and Slope Policies on 7210 SAS-K
416
Basic Configurations
417
Create a Slope Qos Policy for 7210 SAS-E
417
Create a Slope Qos Policy for 7210 SAS-D
418
Create a Slope Qos Policy for 7210 SAS-K
419
Table 2: Slope Policy Defaults for 7210 SAS-E
421
Table 3: Slope Policy Defaults for 7210 SAS-D
422
Default Slope Policy Values for 7210 SAS-K
426
Table 4: Default Slope Policy for 7210 SAS-K
426
Deleting Qos Policies
428
Remove a Policy from the Qos Configuration
428
Copying and Overwriting Qos Policies
429
Remark Policies for 7210 SAS-K Devices
465
Overview
466
Configuration Guideline for 7210 SAS-K
468
Basic Configurations
469
Creating a Remark Policy
469
Remark Policy Command Reference
471
Standards and Protocol Support
485
Standards Compliance
485
Index
487
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Alcatel-Lucent 7210 SAS Series Specifications
General
Brand
Alcatel-Lucent
Model
7210 SAS Series
Category
Switch
Language
English
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