Nexus 9000 Series Switches

Cisco Nexus 9000 Series Switches Configuration Guide

  • Hello! I am an AI chatbot trained to assist you with the Cisco Nexus 9000 Series Switches Configuration Guide. I’ve already reviewed the document and can help you find the information you need or explain it in simple terms. Just ask your questions, and providing more details will help me assist you more effectively!
Cisco Nexus 9000 Series NX-OS System Management Configuration
Guide, Release 9.3(x)
First Published: 2019-07-20
Last Modified: 2022-02-08
Americas Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 527-0883
THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS,
INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.
THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH
THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY,
CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.
The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB's public domain version of
the UNIX operating system. All rights reserved. Copyright ©1981, Regents of the University of California.
NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED “AS IS" WITH ALL FAULTS.
CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE.
IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT
LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS
HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network
topology diagrams, and other figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional
and coincidental.
All printed copies and duplicate soft copies of this document are considered uncontrolled. See the current online version for the latest version.
Cisco has more than 200 offices worldwide. Addresses and phone numbers are listed on the Cisco website at www.cisco.com/go/offices.
Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL:
https://www.cisco.com/c/en/us/about/legal/trademarks.html. Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a
partnership relationship between Cisco and any other company. (1721R)
©2019–2022 Cisco Systems, Inc. All rights reserved.
CONTENTS
Preface xxiii
PREFACE
Audience xxiii
Document Conventions xxiii
Related Documentation for Cisco Nexus 9000 Series Switches xxiv
Documentation Feedback xxiv
Communications, Services, and Additional Information xxiv
New and Changed Information 1
CHAPTER 1
New and Changed Information 1
Platform Support for System Management Features 7
CHAPTER 2
Platform Support for System Management Features 7
Overview 15
CHAPTER 3
Licensing Requirements 15
Software Image 15
Cisco NX-OS Device Configuration Methods 16
Configuring with CLI or XML Management Interface 16
Configuring with Cisco DCNM 17
Network Time Protocol 17
Cisco Discovery Protocol 17
Session Manager 17
Scheduler 17
SNMP 18
Online Diagnostics 18
Onboard Failure Logging 18
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
iii
SPAN 18
ERSPAN 18
LLDP 18
MPLS Stripping 19
sFlow 19
SMUs 19
Virtual Device Contexts 19
Troubleshooting Features 19
Configuring Switch Profiles 21
CHAPTER 4
About Switch Profiles 21
Switch Profile Configuration Modes 22
Configuration Synchronization Mode 22
Switch Profile Mode 22
Switch Profile Import Mode 22
Configuration Validation 22
Mutual Exclusion Checks 22
Merge Checks 23
Software Upgrades and Downgrades with Switch Profiles 23
Guidelines and Limitations for Switch Profiles 23
Configuring Switch Profiles 25
Adding or Modifying Switch Profile Commands 27
Importing a Switch Profile 28
Importing Configurations in a vPC Topology 30
Isolating a Peer Switch 30
Deleting a Switch Profile 31
Manually Correcting Mutex and Merge Failures 32
Verifying the Switch Profile Configuration 32
Configuration Examples for Switch Profiles 32
Creating a Switch Profile on a Local and a Peer Switch 32
Verifying the Synchronization Status 35
Showing the Running Configuration 36
Displaying the Switch Profile Synchronization Between the Local and the Peer Switch 37
Displaying Verify and Commit on the Local and the Peer Switch 37
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
iv
Contents
Displaying the Successful and Unsuccessful Synchronization Between the Local and the Peer
Switch 39
Displaying the Switch Profile Buffer 39
Importing Configurations 40
Migrating to Cisco NX-OS Release 7.0(3)I2(1) or Higher in a Fabric Extender Straight-Through
Topology 42
Replacing a Cisco Nexus 9000 Series Switch 42
Synchronizing Configurations 43
Synchronizing Configurations After a Cisco Nexus 9000 Series Switch Reboots 43
Synchronizing Configurations When the mgmt0 Interface Connectivity Is Lost 44
Reverting an Inadvertent Port Mode Change of Layer 2 to Layer 3 in Global Configuration
Mode 44
Configuring Frequency Synchronization 45
CHAPTER 5
About Frequency Synchronization 45
Hybrid SyncE-PTP with External PRC Source 46
Timing Sources 46
Timing Inputs 46
Timing Outputs 47
Timing Source Selection Points 47
Licensing Requirements for Synchronous Ethernet (SyncE) 48
Guidelines and Limitations for Frequency Synchronization 48
Configuring Frequency Synchronization 49
Enabling Frequency Synchronization 49
Configuring Frequency Synchronization on an Interface 50
Verifying the Frequency Synchronization Configuration 52
Configuring PTP 57
CHAPTER 6
About PTP 57
PTP Offload 58
PTP Device Types 58
Clocks 58
PTP Process 59
ITU-T Telecom Profile for PTP 61
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
v
Contents
Telecom Profile G.8275.1 61
High Availability for PTP 62
Guidelines and Limitations for PTP 62
Default Settings for PTP 65
Configuring PTP 65
Configuring PTP Globally 65
Configuring PTP on an Interface 69
Configuring PTP in Unicast Mode 74
Configuring Unicast Mode 74
Assigning Master Role 74
Assigning Slave Role 76
Configuring Unicast Source Address 77
Configuring PTP Telecom Profile 78
Configuring Global PTP Telecom Profile 78
Configuring PTP Telecom Profile on an Interface 80
PTP Profile Defaults 83
Configuring PTP Notifications 85
PTP Mixed Mode 87
Configuring a PTP Interface to Stay in a Master State 87
Timestamp Tagging 88
Configuring Timestamp Tagging 89
Configuring the TTAG Marker Packets and Time Interval 89
Verifying the PTP Configuration 91
Verifying the PTP Telecom Profile Configuration 92
Configuration Examples for PTP 96
Additional References 98
Related Documents 98
Configuring NTP 99
CHAPTER 7
About NTP 99
NTP Associations 100
NTP as a Time Server 100
Clock Manager 100
High Availability 100
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
vi
Contents
Virtualization Support 100
Prerequisites for NTP 101
Guidelines and Limitations for NTP 101
Default Settings for NTP 102
Configuring NTP 102
Enabling or Disabling NTP 102
Configuring the Device as an Authoritative NTP Server 103
Configuring an NTP Server and Peer 103
Configuring NTP Authentication 105
Configuring NTP Access Restrictions 107
Configuring the NTP Source IP Address 109
Configuring the NTP Source Interface 109
Configuring NTP Logging 110
Verifying the NTP Configuration 110
Configuration Examples for NTP 111
Additional References 112
Related Documents 112
MIBs 112
Configuring CDP 113
CHAPTER 8
About CDP 113
VTP Feature Support 114
High Availability 114
Virtualization Support 114
Guidelines and Limitations for CDP 114
Default Settings for CDP 115
Configuring CDP 115
Enabling or Disabling CDP Globally 115
Enabling or Disabling CDP on an Interface 116
Configuring Optional CDP Parameters 116
Verifying the CDP Configuration 117
Configuration Example for CDP 118
Configuring System Message Logging 119
CHAPTER 9
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
vii
Contents
About System Message Logging 119
Syslog Servers 120
Secure Syslog Servers 120
Guidelines and Limitations for System Message Logging 120
Default Settings for System Message Logging 121
Configuring System Message Logging 122
Configuring System Message Logging to Terminal Sessions 122
Configuring the Origin ID for Syslog Messages 124
Logging System Messages to a File 124
Configuring Module and Facility Messages Logging 127
Configuring Syslog Servers 129
Configuring Secure Syslog Servers 130
Configuring Secure Syslog Servers - Non-strict Mode for OCSP 131
Configuring the CA Certificate 131
Enrolling the CA Certificate 132
Configuring Syslog Servers on a UNIX or Linux System 133
Displaying and Clearing Log Files 134
Verifying the System Message Logging Configuration 135
Repeated System Logging Messages 136
Configuration Example for System Message Logging 137
Additional References 137
Related Documents 137
Configuring Smart Call Home 139
CHAPTER 10
About Smart Call Home 139
Destination Profiles 140
Smart Call Home Alert Groups 140
Smart Call Home Message Levels 143
Obtaining Smart Call Home 144
Database Merge Guidelines 145
High Availability 145
Virtualization Support 145
Prerequisites for Smart Call Home 145
Guidelines and Limitations for Smart Call Home 146
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
viii
Contents
Default Settings for Smart Call Home 146
Configuring Smart Call Home 147
Configuring Contact Information 147
Creating a Destination Profile 149
Modifying a Destination Profile 150
Associating an Alert Group with a Destination Profile 152
Adding Show Commands to an Alert Group 153
Configuring the Email Server 154
Configuring VRFs To Send Messages Using HTTP 155
Configuring an HTTP Proxy Server 156
Configuring Periodic Inventory Notifications 157
Disabling Duplicate Message Throttling 158
Enabling or Disabling Smart Call Home 159
Testing the Smart Call Home Configuration 160
Verifying the Smart Call Home Configuration 160
Configuration Examples for Smart Call Home 161
Additional References 162
Event Triggers 162
Message Formats 164
Short Text Message Format 164
Common Event Message Fields 164
Alert Group Message Fields 166
Fields for Reactive and Proactive Event Messages 166
Fields for Inventory Event Messages 167
Fields for User-Generated Test Messages 167
Sample Syslog Alert Notification in Full-Text Format 168
Sample Syslog Alert Notification in XML Format 170
MIBs 174
Configuring Session Manager 175
CHAPTER 11
About Session Manager 175
High Availability 176
Prerequisites for Session Manager 176
Guidelines and Limitations for Session Manager 176
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
ix
Contents
Configuring Session Manager 176
Creating a Session 176
Configuring ACLs in a Session 177
Verifying a Session 178
Committing a Session 178
Saving a Session 178
Discarding a Session 178
Verifying the Session Manager Configuration 179
Configuration Example for Session Manager 179
Additional References 180
Related Documents 180
Configuring the Scheduler 181
CHAPTER 12
About the Scheduler 181
Remote User Authentication 182
Logs 182
High Availability 182
Prerequisites for the Scheduler 182
Guidelines and Limitations for the Scheduler 182
Default Settings for the Scheduler 183
Configuring the Scheduler 183
Enabling or Disabling the Scheduler 183
Defining the Scheduler Log File Size 184
Configuring Remote User Authentication 184
Defining a Job 185
Deleting a Job 186
Defining a Timetable 187
Clearing the Scheduler Log File 189
Verifying the Scheduler Configuration 189
Configuration Examples for the Scheduler 189
Creating a Scheduler Job 189
Scheduling a Scheduler Job 190
Displaying the Job Schedule 190
Displaying the Results of Running Scheduler Jobs 190
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
x
Contents
Configuring SNMP 193
CHAPTER 13
About SNMP 193
SNMP Functional Overview 193
SNMP Notifications 194
SNMPv3 195
Security Models and Levels for SNMPv1, v2, v3 195
User-Based Security Model 196
CLI and SNMP User Synchronization 197
Group-Based SNMP Access 198
SNMP and Embedded Event Manager 198
Multiple Instance Support 198
High Availability for SNMP 199
Virtualization Support for SNMP 199
Guidelines and Limitations for SNMP 199
Default Settings for SNMP 200
Configuring SNMP 200
Configuring SNMP Users 200
Enforcing SNMP Message Encryption 201
Assigning SNMPv3 Users to Multiple Roles 202
Creating SNMP Communities 202
Filtering SNMP Requests 203
Configuring SNMP Notification Receivers 204
Configuring a Source Interface for SNMP Notifications 205
Configuring the Notification Target User 206
Configuring SNMP Notification Receivers with VRFs 207
Configuring SNMP to Send Traps Using an Inband Port 208
Enabling SNMP Notifications 209
Disabling Link Notifications on an Interface 217
Displaying SNMP ifIndex for an Interface 218
Enabling a One-Time Authentication for SNMP over TCP 218
Assigning SNMP Device Contact and Location Information 219
Configuring the Context to Network Entity Mapping 219
Disabling SNMP 220
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
xi
Contents
Managing the SNMP Server Counter Cache Update Timer 221
Modifying the AAA Synchronization Time 221
Configuring the SNMP Local Engine ID 222
Verifying SNMP Configuration 223
Configuration Examples for SNMP 224
Additional References 225
Related Documents 225
RFCs 226
MIBs 226
Configuring RMON 227
CHAPTER 14
About RMON 227
RMON Alarms 227
RMON Events 228
High Availability for RMON 228
Virtualization Support for RMON 228
Guidelines and Limitations for RMON 229
Default Settings for RMON 229
Configuring RMON 229
Configuring RMON Alarms 229
Configuring RMON Events 230
Verifying the RMON Configuration 231
Configuration Examples for RMON 231
Additional References 232
MIBs 232
Configuring Online Diagnostics 233
CHAPTER 15
About Online Diagnostics 233
Bootup Diagnostics 233
Runtime or Health Monitoring Diagnostics 234
On-Demand Diagnostics 240
High Availability 240
Virtualization Support 240
Guidelines and Limitations for Online Diagnostics 240
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
xii
Contents
Default Settings for Online Diagnostics 242
Configuring Online Diagnostics 242
Setting the Bootup Diagnostic Level 242
Activating a Diagnostic Test 243
Starting or Stopping an On-Demand Diagnostic Test 244
Simulating Diagnostic Results 245
Clearing Diagnostic Results 245
Verifying the Online Diagnostics Configuration 245
Configuration Examples for Online Diagnostics 246
Configuring the Embedded Event Manager 247
CHAPTER 16
About EEM 247
Policies 247
Event Statements 248
Action Statements 249
VSH Script Policies 250
Environment Variables 250
EEM Event Correlation 251
High Availability 251
Virtualization Support 251
Prerequisites for EEM 251
Guidelines and Limitations for EEM 251
Default Settings for EEM 252
Configuring EEM 252
Defining an Environment Variable 252
Defining a User Policy Using the CLI 253
Configuring Event Statements 254
Configuring Action Statements 259
Defining a Policy Using a VSH Script 261
Registering and Activating a VSH Script Policy 261
Overriding a Policy 262
Configuring Memory Thresholds 263
Configuring Syslog as EEM Publisher 265
Verifying the EEM Configuration 266
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
xiii
Contents
Configuration Examples for EEM 267
Event Log Auto-Collection and Backup 268
Extended Log File Retention 268
Enabling Extended Log File Retention For All Services 268
Disabling Extended Log File Retention For All Services 269
Enabling Extended Log File Retention For a Single Service 269
Displaying Extended Log Files 270
Disabling Extended Log File Retention For a Single Service 271
Trigger-Based Event Log Auto-Collection 272
Enabling Trigger-Based Log File Auto-Collection 273
Auto-Collection YAML File 273
Limiting the Amount of Auto-Collections Per Component 275
Auto-Collection Log Files 275
Verifying Trigger-Based Log Collection 279
Checking Trigger-Based Log File Generation 279
Local Log File Storage 279
Generating a Local Copy of Recent Log Files 279
External Log File Storage 281
Configuring Onboard Failure Logging 283
CHAPTER 17
About OBFL 283
Prerequisites for OBFL 284
Guidelines and Limitations for OBFL 284
Default Settings for OBFL 284
Configuring OBFL 284
Verifying the OBFL Configuration 287
Configuration Example for OBFL 288
Additional References 288
Related Documents 288
Configuring SPAN 289
CHAPTER 18
About SPAN 289
SPAN Sources 289
Characteristics of Source Ports 290
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
xiv
Contents
SPAN Destinations 290
Characteristics of Destination Ports 291
SPAN Sessions 291
Localized SPAN Sessions 291
SPAN Truncation 291
ACL TCAM Regions 292
High Availability 292
Prerequisites for SPAN 292
Guidelines and Limitations for SPAN 292
SPAN Limitations for the Cisco Nexus 3000 Platform Switches 295
SPAN Limitations for the Cisco Nexus 9200 Platform Switches 296
SPAN Limitations for the Cisco Nexus 9300 Platform Switches 296
SPAN Limitations for the Cisco Nexus 9500 Platform Switches 299
Default Settings for SPAN 300
Configuring SPAN 301
Configuring a SPAN Session 301
Configuring UDF-Based SPAN 304
Configuring SPAN Truncation 307
Configuring SPAN for Multicast Tx Traffic Across Different LSE Slices 308
Shutting Down or Resuming a SPAN Session 309
Verifying the SPAN Configuration 310
Configuration Examples for SPAN 310
Configuration Example for a SPAN Session 310
Configuration Example for a Unidirectional SPAN Session 311
Configuration Example for a SPAN ACL 311
Configuration Examples for UDF-Based SPAN 312
Configuration Example for SPAN Truncation 312
Configuration Examples for Multicast Tx SPAN Across LSE Slices 313
Additional References 314
Related Documents 314
Configuring ERSPAN 315
CHAPTER 19
About ERSPAN 315
ERSPAN Sources 315
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
xv
Contents
ERSPAN Destination 316
ERSPAN Sessions 316
Localized ERSPAN Sessions 316
ERSPAN Truncation 316
Prerequisites for ERSPAN 317
Guidelines and Limitations for ERSPAN 317
Default Settings 320
Configuring ERSPAN 320
Configuring an ERSPAN Source Session 321
Shutting Down or Activating an ERSPAN Session 324
Configuring an ERSPAN ACL 325
Configuring UDF-Based ERSPAN 327
Configuring ERSPAN Truncation 329
Configuring an ERSPAN Destination Session 331
Verifying the ERSPAN Configuration 333
Configuration Examples for ERSPAN 334
Configuration Example for a Unidirectional ERSPAN Session 334
Configuration Example for an ERSPAN ACL 335
Configuration Example for a Marker Packet 335
Configuration Examples for UDF-Based ERSPAN 336
Configuration Example for ERSPAN Truncation 337
Configuration Example for a ERSPAN Destination Session 337
Configuring LLDP 339
CHAPTER 20
About LLDP 339
About DCBXP 340
High Availability 340
Virtualization Support 341
Guidelines and Limitations for LLDP 341
Default Settings for LLDP 341
Configuring LLDP 342
Enabling or Disabling LLDP Globally 342
Enabling or Disabling LLDP on an Interface 342
Configuring the DCBXP Protocol Version 343
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
xvi
Contents
Multiple LLDP Neighbors Per Physical Interface 344
Enabling or Disabling LLDP Multi-Neighbor Support 345
Enabling or Disabling LLDP Support on Port-Channel Interfaces 346
Configuring Optional LLDP Parameters 348
Verifying the LLDP Configuration 349
Configuration Example for LLDP 350
Configuring NetFlow 351
CHAPTER 21
About NetFlow 351
Dual-Layer NetFlow Implementation 352
Flow Records 352
Flow Exporters 352
Export Format 353
Layer 2 NetFlow Keys 353
Flow Monitors 353
NetFlow Output Interface 353
High Availability 354
Prerequisites for NetFlow 354
Guidelines and Limitations for NetFlow 354
Configuring NetFlow 357
Enabling the NetFlow Feature 357
Creating a Flow Record 358
Specifying the Match Parameters 359
Specifying the Collect Parameters 360
Creating a Flow Exporter 360
Creating a Flow Monitor 362
Applying a Flow Monitor to an Interface 363
Configuring Bridged NetFlow on a VLAN 364
Configuring Layer 2 NetFlow Keys 364
Configuring NetFlow Timeouts 366
Verifying the NetFlow Configuration 366
Monitoring NetFlow 367
Display Example for NetFlow 367
Configuration Example for NetFlow 367
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
xvii
Contents
Configuring sFlow 369
CHAPTER 22
About sFlow 369
sFlow Agent 369
Prerequisites for sFlow 370
Guidelines and Limitations for sFlow 370
Default Settings for sFlow 371
Configuring sFlow 372
Enabling sFlow 372
Configuring the Sampling Rate 372
Configuring the Maximum Sampled Size 373
Configuring the Counter Poll Interval 374
Configuring the Maximum Datagram Size 374
Configuring the sFlow Collector Address 375
Configuring the sFlow Collector Port 376
Configuring the sFlow Agent Address 377
Configuring the sFlow Sampling Data Source 377
Verifying the sFlow Configuration 378
Monitoring and Clearing sFlow Statistics 379
Configuration Examples for sFlow 379
Additional References 379
Related Documents 379
Configuring TAP Aggregation and MPLS Stripping 381
CHAPTER 23
About TAP Aggregation 381
Network TAPs 381
TAP Aggregation 382
Guidelines and Limitations for TAP Aggregation 382
About MPLS Stripping 384
Guidelines and Limitations for MPLS Stripping 384
Configuring TAP Aggregation 385
Enabling TAP Aggregation for Line Cards 385
Configuring a TAP Aggregation Policy 386
Attaching a TAP Aggregation Policy to an Interface 387
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
xviii
Contents
Verifying the TAP Aggregation Configuration 388
Configuration Example for TAP Aggregation 388
Configuring MPLS Stripping 389
Enabling MPLS Stripping 389
Configuring the Incoming Port for the VLAN Tag 390
Adding and Deleting MPLS Labels 391
Configuring Destination MAC Addresses 392
Configuring MPLS Label Aging 393
Verifying the MPLS Stripping Configuration 393
Clearing MPLS Stripping Counters and Label Entries 395
Configuration Examples for MPLS Stripping 395
Additional References 396
Related Documents 396
Configuring MPLS Access Lists 397
CHAPTER 24
Configuring MPLS Access Lists 397
Verifying the MPLS Access Lists Configuration 398
Configuration Examples for MPLS Access Lists 398
Configuring Graceful Insertion and Removal 399
CHAPTER 25
About Graceful Insertion and Removal 399
Profiles 400
Snapshots 401
Guidelines and Limitations for GIR 401
GIR Workflow 402
Configuring the Maintenance-Mode Profile 403
Configuring the Normal-Mode Profile 404
Creating a Snapshot 405
Adding Show Commands to Snapshots 407
Triggering Graceful Removal 409
Triggering Graceful Insertion 411
Maintenance Mode Enhancements 412
Verifying the GIR Configuration 413
Configuration Examples for GIR 414
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
xix
Contents
Performing Software Maintenance Upgrades 417
CHAPTER 26
About SMUs 417
RPM Patching 418
Package Management 418
Impact of Package Activation and Deactivation 419
Prerequisites for SMUs 419
Guidelines and Limitations for SMUs 420
Performing a Software Maintenance Upgrade for Cisco NX-OS 420
Preparing for Package Installation 420
Downloading the SMU Package File from Cisco.com 422
Copying the Package File to a Local Storage Device or Network Server 422
Adding and Activating Packages 425
Committing the Active Package Set 428
Installing RPM Packages 428
Deactivating and Removing Packages 429
No-Reload Options for SMU Installation 431
Downgrading Feature RPMs 437
Displaying Installation Log Information 439
Performing a Software Maintenance Upgrade for Guest Shell Bash 440
Additional References 442
Related Documents 442
SMU History 442
Performing Configuration Replace 443
CHAPTER 27
About Configuration Replace and Commit-timeout 443
Overview 443
Benefits of Configuration Replace 445
Guidelines and Limitations for Configuration Replace 445
Recommended Workflow for Configuration Replace 447
Performing a Configuration Replace 448
Verifying Configuration Replace 449
Examples for Configuration Replace 450
Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 9.3(x)
xx
Contents
/