Cisco N9K-C93120TX Manuals

Manuals and User Guides for Cisco N9K-C93120TX. We have 1 Cisco N9K-C93120TX manual available for free PDF download: Configuration Manual

Cisco N9K-C93120TX Configuration Manual (216 pages)

NX-OS Quality of Service Configuration, Release 7.x

Brand: Cisco | Category: Switch | Size: 3.6 MB

Table of Contents
4
About MQC
27
Using Modular Qos CLI
27
Default System Classes
28
System Classes
28
Using an MQC Object
28
Type Qos Policies
29
Type Queuing Policies
29
System-Defined MQC Objects
30
System-Defined MQC Objects for 4Q Mode
31
System-Defined MQC Objects for 8Q Mode
33
Changing to 8Q Mode
36
Changing from 8Q Mode to 4Q Mode
42
Configuring an MQC Object
42
Configuring or Modifying a Class Map
42
Guidelines and Limitations
42
Configuring or Modifying a Policy Map
44
Applying Descriptions to MQC Objects
45
Verifying an MQC Object
46
Attaching and Detaching a Qos Policy Action
47
Configuring a Service Policy for a Layer 2 Interface
48
Configuring a Service Policy for a Layer 3 Interface
49
Attaching the System Service Policy
50
Attaching a Qos Policy Action to a VLAN
51
Session Manager Support for Qos
52
About Qos TCAM Carving
53
Configuring Qos TCAM Carving
53
About Qos TCAM Lite Regions
56
Guidelines and Limitations
57
Configuring Qos TCAM Carving
58
Enabling Layer 3 Qos (Ipv6)
58
Enabling VLAN Qos (Ipv4)
61
Enabling FEX Qos (Ipv4)
63
Notes for Enabling VLAN Qos
63
Enabling Egress Qos (Ipv4)
64
Using Templates to Configure TCAM Region Sizes
66
Verifying Qos TCAM Carving
67
About Classification
69
Configuring Classification
69
Guidelines and Limitations
70
Prerequisites for Classification
70
Configuring Traffic Classes
72
Configuring ACL Classification
72
Examples: Configuring ACL Classification
73
Configuring a DSCP Wildcard Mask
74
Configuring DSCP Classification
76
Configuring IP Precedence Classification
77
Configuring Protocol Classification
79
Configuring Layer 3 Packet Length Classification
80
Configuring Cos Classification
81
Configuring Cos Classification for FEX
82
Configuring IP RTP Classification
84
Configuration Examples for Classification
85
Verifying the Classification Configuration
85
About Marking
87
Configuring Marking
87
Class of Behavior
88
Trust Boundaries
88
Guidelines and Limitations
89
Prerequisites for Marking
89
Configuring DSCP Marking
90
Configuring Marking
90
Configuring IP Precedence Marking
92
Configuring Cos Marking
94
Configuring Cos Marking for FEX
95
Configuring DSCP Port Marking
96
Configuration Examples for Marking
98
Verifying the Marking Configuration
98
About Policing
99
Configuring Policing
99
Shared Policers
99
Guidelines and Limitations
100
Prerequisites for Policing
100
Configuring Policing
102
Configuring Ingress Policing
102
Configuring Egress Policing
102
Configuring 1-Rate and 2-Rate, 2-Color and 3-Color Policing
104
Configuring Markdown Policing
109
Configuring Shared Policers
111
Configuration Examples for Policing
113
Verifying the Policing Configuration
113
About Queuing and Scheduling
115
Configuring Queuing and Scheduling
115
Modifying Class Maps
115
Explicit Congestion Notification
116
Congestion Management
116
Congestion Avoidance
116
Approximate Fair Drop
117
Traffic Shaping
119
Guidelines and Limitations
120
Prerequisites for Queuing and Scheduling
120
Configuring Queuing and Scheduling
123
Configuring Type Queuing Policies
124
Configuring Congestion Avoidance
125
Configuring Tail Drop on Egress Queues
125
Configuring WRED on Egress Queues
128
Configuring AFD on Egress Queues
130
Configuring Bandwidth and Bandwidth Remaining
132
Configuring Congestion Management
132
Configuring Bandwidth and Bandwidth Remaining for FEX
134
Configuring Priority
136
Configuring Priority for FEX
138
Configuring Traffic Shaping
140
Applying a Queuing Policy on a System
142
Controlling the Qos Shared Buffer
143
Verifying the Queuing and Scheduling Configuration
143
Monitoring the Qos Packet Buffer
144
Managing Dynamic Buffer Sharing
144
Configuration Examples for Queuing and Scheduling
146
Example: Configuring Traffic Shaping
146
Example: Configuring WRED on Egress Queues
146
About Network Qos
147
Configuring Network Qos
147
Guidelines and Limitations
147
Prerequisites for Network Qos
147
Dynamic Packet Prioritization
148
Copying a Predefined Network Qos Policy
149
Configuring Network Qos Policies
149
Configuring a User-Defined Network Qos Policy
149
Applying a Network Qos Policy on a System
150
Verifying the Network Qos
151
C H a P T E
153
Configuring Link Level Flow Control
153
Guidelines and Restrictions for Link Level Flow Control
153
Link Level Flow Control
153
Information about Link Level Flow Control
154
Link Level Flow Control on Interfaces
154
Mismatched Link Level Flow Control Configurations
155
How to Configure Link Level Flow Control
155
Link Level Flow Control on Ports
155
Configuring Link Level Flow Control Receive
155
Configuring Link Level Flow Control Transmit
156
Configuring a Link Level Flow Control Watchdog Interval
157
Configuration Examples for Link Level Flow Control
160
Example: Configuring a No-Drop Policy
160
Example: Configuring Link Level Flow Control Receive and Send
161
About Priority Flow Control
163
Configuring Priority Flow Control
163
Prerequisites for Priority Flow Control
164
Guidelines and Limitations for Priority Flow Control
164
Default Settings for Priority Flow Control
167
Configuring Priority Flow Control
167
Enabling Priority Flow Control on a Traffic Class
169
Configuring a Priority Flow Control Watchdog Interval
172
Configuring Pause Buffer Thresholds and Queue Limit Using Ingress Queuing Policy
175
Configuring Qos Pause Buffer and Dynamic Queue Limits
177
Configuration Examples for Priority Flow Control
178
Verifying the Priority Flow Control Configuration
178
Monitoring Qos Statistics
181
Prerequisites for Monitoring Qos Statistics
181
C H a P T E
181
Guidelines and Limitations
181
About Qos Statistics
181
Enabling Statistics
183
Monitoring the Statistics
184
Clearing Statistics
185
Configuration Examples for Monitoring Qos Statistics
185
C H a P T E
187
Guidelines and Limitations for Micro-Burst Monitoring
187
Micro-Burst Monitoring
187
Configuring Micro-Burst Detection Per-Queue
189
Clearing Micro-Burst Detection
191
Example of Micro-Burst Detection Output
192
Verifying Micro-Burst Detection
192
FEX Qos Configuration
193
FEX Qos Configuration Information
193
TCAM Carving for FEX Qos
195
FEX Qos Configuration Example
196
Verifying the FEX Qos Configuration
212
Appendix B Additional References

213
- Rfcs
  213

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Cisco N9K-C93120TX Manuals

Cisco N9K-C93120TX Configuration Manual (216 pages)

Table of Contents

Appendix B Additional References

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