Cisco Nexus 6000 Series Switches Configuration Guide

Cisco Nexus 6000 Series NX-OS System Management Configuration

Guide, Release 7.x

First Published: 2014-01-29

Last Modified: 2019-07-10

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CONTENTS

Preface xix

PREFACE

Audience xix

Document Conventions xix

Related Documentation for Cisco Nexus 6000 Series NX-OS Software xx

Documentation Feedback xxii

Communications, Services, and Additional Information xxii

New and Changed Information 1

CHAPTER 1

New and Changed Information 1

Overview 3

CHAPTER 2

System Management Features 3

Configuring Switch Profiles 7

CHAPTER 3

Information About Switch Profiles 7

Switch Profile Configuration Modes 8

Configuration Validation 9

Software Upgrades and Downgrades with Switch Profiles 10

Prerequisites for Switch Profiles 10

Guidelines and Limitations for Switch Profiles 10

Configuring Switch Profiles 12

Adding a Switch to a Switch Profile 13

Adding or Modifying Switch Profile Commands 14

Importing a Switch Profile 17

Importing Configurations in a vPC Topology 19

Verifying Commands in a Switch Profile 19

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Isolating a Peer Switch 20

Deleting a Switch Profile 20

Deleting a Switch from a Switch Profile 21

Displaying the Switch Profile Buffer 22

Synchronizing Configurations After a Switch Reboot 23

Switch Profile Configuration show Commands 23

Configuration Examples for Switch Profiles 24

Creating a Switch Profile on a Local and Peer Switch Example 24

Verifying the Synchronization Status Example 26

Displaying the Running Configuration 27

Displaying the Switch Profile Synchronization Between Local and Peer Switches 27

Displaying Verify and Commit on Local and Peer Switches 28

Successful and Unsuccessful Synchronization Examples 29

Configuring the Switch Profile Buffer, Moving the Buffer, and Deleting the Buffer 30

Replacing a Cisco Nexus 5000 Series Switch 31

Configuring Module Pre-Provisioning 33

CHAPTER 4

Information About Module Pre-Provisioning 33

Guidelines and Limitations 33

Enabling Module Pre-Provisioning 34

Removing Module Pre-Provisioning 35

Verifying the Pre-Provisioned Configuration 35

Configuration Examples for Pre-Provisioning 36

Using Cisco Fabric Services 39

CHAPTER 5

Information About CFS 39

Cisco Fabric Services over Ethernet 40

Guidelines and Limitations for CFS 40

CFS Distribution 41

CFS Distribution Modes 41

Uncoordinated Distribution 41

Coordinated Distribution 41

Unrestricted Uncoordinated Distributions 42

Verifying the CFS Distribution Status 42

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CFS Support for Applications 42

CFS Application Requirements 42

Enabling CFS for an Application 42

Verifying Application Registration Status 43

Locking the Network 43

Verifying CFS Lock Status 44

Committing Changes 44

Discarding Changes 45

Saving the Configuration 45

Clearing a Locked Session 45

CFS Regions 46

About CFS Regions 46

Example Scenario 46

Managing CFS Regions 47

Creating CFS Regions 47

Assigning Applications to CFS Regions 47

Moving an Application to a Different CFS Region 47

Removing an Application from a Region 48

Deleting CFS Regions 48

Configuring CFS over IP 49

Enabling CFS over IPv4 49

Enabling CFS over IPv6 49

Verifying the CFS Over IP Configuration 50

Configuring IP Multicast Addresses for CFS over IP 50

Configuring IPv4 Multicast Address for CFS 50

Configuring IPv6 Multicast Address for CFS 50

Verifying the IP Multicast Address Configuration for CFS over IP 51

Default Settings for CFS 51

Enabling CFS to Distribute Smart Call Home Configurations 52

Enabling CFS to Distribute Device Alias Configurations 52

Enabling CFS to Distribute DPVM Configurations 53

Enabling CFS to Distribute FC Domain Configurations 54

Enabling CFS to Distribute FC Port Security Configurations 54

Enabling CFS to Distribute FC Timer Configurations 55

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Enabling CFS to Distribute IVR Configurations 56

Enabling CFS to Distribute NTP Configurations 57

Enabling CFS to Distribute RADIUS Configurations 57

Enabling CFS to Distribute RSCN Configurations 58

Enabling CFS to Distribute TACACS+ Configurations 59

Configuring PTP 61

CHAPTER 6

Information About PTP 61

PTP Device Types 62

PTP Process 63

Clock Management 63

High Availability for PTP 64

Licensing Requirements for PTP 64

Guidelines and Limitations for PTP 64

Default Settings for PTP 64

Configuring PTP 65

Configuring PTP Globally 65

Configuring PTP on an Interface 67

Verifying the PTP Configuration 68

Feature History for PTP 69

Configuring User Accounts and RBAC 71

CHAPTER 7

Information About User Accounts and RBAC 71

User Roles 71

Predefined SAN Admin User Role 72

Rules 73

SAN Admin Role-Feature Rule Mapping 73

User Role Policies 75

User Account Configuration Restrictions 75

User Password Requirements 76

Guidelines and Limitations for User Accounts 77

Configuring User Accounts 77

Configuring SAN Admin Users 78

Configuring RBAC 79

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Creating User Roles and Rules 79

Creating Feature Groups 80

Changing User Role Interface Policies 81

Changing User Role VLAN Policies 82

Changing User Role VSAN Policies 82

Verifying the User Accounts and RBAC Configuration 83

Configuring User Accounts Default Settings for the User Accounts and RBAC 83

Configuring Session Manager 85

CHAPTER 8

Information About Session Manager 85

Guidelines and Limitations for Session Manager 85

Configuring Session Manager 86

Creating a Session 86

Configuring ACLs in a Session 86

Verifying a Session 87

Committing a Session 87

Saving a Session 87

Discarding a Session 87

Configuration Example for Session Manager 87

Verifying the Session Manager Configuration 88

Configuring Online Diagnostics 89

CHAPTER 9

Information About Online Diagnostics 89

Bootup Diagnostics 89

Health Monitoring Diagnostics 90

Expansion Module Diagnostics 91

Configuring Online Diagnostics 91

Verifying the Online Diagnostics Configuration 92

Default Settings for Online Diagnostics 92

Configuring System Message Logging 93

CHAPTER 10

Information About System Message Logging 93

Syslog Servers 94

Licensing Requirements for System Message Logging 94

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Guidelines and Limitations for System Message Logging 94

Default Settings for System Message Logging 94

Configuring System Message Logging 95

Configuring System Message Logging to Terminal Sessions 95

Configuring System Message Logging to a File 97

Configuring Module and Facility Messages Logging 99

Configuring Logging Timestamps 100

Configuring Syslog Servers 101

Configuring syslog on a UNIX or Linux System 103

Configuring syslog Server Configuration Distribution 104

Displaying and Clearing Log Files 105

Verifying the System Message Logging Configuration 106

Configuring ACL Logging 107

Information About ACL Logging 107

Configuring the ACL Logging Cache 108

Applying ACL Logging to an Interface 109

Configuring VLAN Access Map with Logging 109

Configuring the ACL Log Match Level 110

Configuring Rate Limiter for ACL Logging 110

Clearing ACL Logs 111

Verifying ACL Logging 111

Configuring Smart Call Home 113

CHAPTER 11

Information About Smart Call Home 113

Smart Call Home Overview 114

Smart Call Home Destination Profiles 114

Smart Call Home Alert Groups 115

Smart Call Home Message Levels 116

Call Home Message Formats 117

Guidelines and Limitations for Smart Call Home 121

Prerequisites for Smart Call Home 121

Default Call Home Settings 121

Configuring Smart Call Home 122

Registering for Smart Call Home 122

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Configuring Contact Information 122

Creating a Destination Profile 124

Modifying a Destination Profile 125

Associating an Alert Group with a Destination Profile 127

Adding Show Commands to an Alert Group 127

Configuring E-Mail Server Details 128

Configuring Periodic Inventory Notifications 129

Disabling Duplicate Message Throttling 130

Enabling or Disabling Smart Call Home 131

Testing the Smart Call Home Configuration 131

Verifying the Smart Call Home Configuration 132

Sample Syslog Alert Notification in Full-Text Format 132

Sample Syslog Alert Notification in XML Format 133

Configuring Rollback 137

CHAPTER 12

Information About Rollbacks 137

Guidelines and Limitations for Rollback 137

Creating a Checkpoint 138

Implementing a Rollback 139

Verifying the Rollback Configuration 139

Configuring DNS 141

CHAPTER 13

Information About DNS Client 141

Name Servers 141

DNS Operation 141

High Availability 142

Prerequisites for DNS Clients 142

Licensing Requirements for DNS Clients 142

Default Settings for DNS Clients 142

Configuring DNS Clients 142

Configuring SNMP 145

CHAPTER 14

Information About SNMP 145

SNMP Functional Overview 145

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SNMP Notifications 146

SNMPv3 146

Security Models and Levels for SNMPv1, v2, and v3 146

User-Based Security Model 147

CLI and SNMP User Synchronization 148

Group-Based SNMP Access 149

Licensing Requirements for SNMP 149

Guidelines and Limitations for SNMP 149

Default SNMP Settings 149

Configuring SNMP 150

Configuring SNMP Users 150

Enforcing SNMP Message Encryption 151

Assigning SNMPv3 Users to Multiple Roles 151

Creating SNMP Communities 151

Filtering SNMP Requests 151

Configuring SNMP Notification Receivers 152

Configuring SNMP Notification Receivers with VRFs 153

Filtering SNMP Notifications Based on a VRF 154

Configuring a Source Interface for Sending Out All SNMP Notifications 155

Configuring a Host Receiver for SNMP Notifications 155

Configuring SNMP for Inband Access 156

Enabling SNMP Notifications 157

Configuring Link Notifications 159

Disabling Link Notifications on an Interface 160

Enabling One-Time Authentication for SNMP over TCP 160

Assigning SNMP Switch Contact and Location Information 161

Configuring the Context to Network Entity Mapping 161

Modifying the AAA Synchronization Time 162

Disabling SNMP 162

Verifying the SNMP Configuration 162

Configuring RMON 165

CHAPTER 15

Information About RMON 165

RMON Alarms 165

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RMON Events 166

Configuration Guidelines and Limitations for RMON 166

Configuring RMON 166

Configuring RMON Alarms 166

Configuring RMON Events 168

Verifying the RMON Configuration 168

Default RMON Settings 168

Configuring SPAN 171

CHAPTER 16

Information About SPAN 171

SPAN Sources 172

Characteristics of Source Ports 172

SPAN Destinations 173

Characteristics of Destination Ports 173

Multiple SPAN Destinations 174

SPAN with ACL 174

SPAN on Drop 174

SPAN-on-Latency Sessions 174

Guidelines and Limitations for SPAN 174

Creating or Deleting a SPAN Session 178

Configuring an Ethernet Destination Port 178

Configuring MTU Truncation for Each SPAN Session 179

Configuring Source Ports 180

Configuring the Description of a SPAN Session 181

Configuring an ACL Filter for a SPAN Session 182

Configuring a SPAN-on-Drop Session 182

Configuring a SPAN-on-Latency Session 183

Activating a SPAN Session 185

Troubleshooting SPAN session issues 185

Troubleshooting SPAN session with large number of source ports issues 186

Displaying SPAN Information 187

Configuration Example for a SPAN ACL 188

Configuration Example for SPAN-on-Latency Session 188

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Configuring ERSPAN 189

CHAPTER 17

Information About ERSPAN 189

ERSPAN Source Sessions 189

Monitored Traffic 190

ERSPAN Types 190

ERSPAN Sources 191

ERSPAN Destinations 191

Truncated ERSPAN 192

ERSPAN with ACL 192

ERSPAN SPAN on Drop 192

ERSPAN SPAN-on-Latency 192

High Availability 192

Licensing Requirements for ERSPAN 193

Prerequisites for ERSPAN 193

Guidelines and Limitations for ERSPAN 193

Guidelines and Limitations for ERSPAN Type III 196

Default Settings for ERSPAN 197

Configuring ERSPAN 197

Configuring an ERSPAN Source Session 197

Configuring an ERSPAN Type III Source Session 199

Configuring Truncated ERSPAN 202

Configuring an ERSPAN Destination Session 203

Configuring an ERSPAN SPAN-on-Drop Session 205

Configuring an ERSPAN SPAN-on-Latency Session 206

Shutting Down or Activating an ERSPAN Session 208

Verifying the ERSPAN Configuration 210

Configuration Examples for ERSPAN 210

Configuration Example for an ERSPAN Source Session 210

Configuration Example for an ERSPAN Type III Source Session 210

Configuration Example for an IP Address as the Source for an ERSPAN Session 211

Configuration Example for Truncated ERSPAN 211

Configuration Example for an ERSPAN Destination Session 211

Configuration Example for an ERSPAN ACL 212

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Configuration Example for an ERSPAN SPAN-on-Drop Session 212

Configuration Example for ERSPAN SPAN-on-Latency Session 212

Additional References 213

Related Documents 213

Configuring NTP 215

CHAPTER 18

Information About NTP 215

Information About the NTP Server 215

NTP as Time Server 216

Distributing NTP Using CFS 216

Clock Manager 216

High Availability 216

Licensing Requirements 217

Prerequisites for NTP 217

Guidelines and Limitations for NTP 217

Default Settings for NTP 218

Configuring NTP 218

Enabling or Disabling NTP 218

Configuring the Device as an Authoritative NTP Server 219

Configuring an NTP Server and Peer 220

Configuring NTP Authentication 221

Configuring NTP Access Restrictions 223

Configuring the NTP Source IP Address 224

Configuring the NTP Source Interface 225

Configuring NTP Logging 225

Enabling CFS Distribution for NTP 226

Committing NTP Configuration Changes 226

Discarding NTP Configuration Changes 227

Releasing the CFS Session Lock 227

Verifying the NTP Configuration 227

Configuration Examples for NTP 228

Configuring EEM 231

CHAPTER 19

Information About Embedded Event Manager 231

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EEM Policies 232

EEM Event Statement 233

EEM Action Statements 234

VSH Script Policies 234

EEM Event Correlation 234

EEM Virtualization Support 235

EEM Licensing Requirements 235

Prerequisites for EEM 235

Guidelines and Limitations for EEM 235

Default Settings for EEM 236

Configuring EEM 236

Defining an Environment Variable 236

Defining a User Policy Using the CLI 237

Event Statement Configuration 238

Action Statement Configuration 240

Defining a Policy Using a VSH Script 242

Registering and Activating a VSH Script Policy 242

Overriding a Policy 243

Configuring the Syslog as an EEM Publisher 244

Defining a User Policy Using the CLI to Trigger a Tcl Script 245

Defining a User Policy Using the CLI to Trigger a Python Script 247

Verifying the EEM Configuration 248

Configuration Examples for EEM 249

Configuring OpenFlow 251

CHAPTER 20

Information About OpenFlow 251

OpenFlow Limitations 251

Supported Interface Types 252

Unsupported Interface Types 252

Supported Interface Modes 252

Supported Match Fields 252

Supported Actions 253

Scale Flow Numbers 253

Pipeline Support 253

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Prerequisites for OpenFlow 254

Setting Up an OpenFlow Virtual Service 255

Enabling OpenFlow 256

Configuring the OpenFlow Switch 256

Verifying OpenFlow 257

Configuring NetFlow 259

CHAPTER 21

NetFlow Overview 259

Flow Record 260

Flow Exporter 260

NetFlow Match Keys 260

Specifying the Match Parameters 261

NetFlow Collect Parameters 262

Specifying the Collect Parameters 262

Sampled NetFlow 263

Guidelines and Limitations for NetFlow 263

How to Configure NetFlow 264

Enabling the NetFlow Feature 264

Creating a Flow Record 265

Creating a Flow Exporter 266

Creating a Flow Monitor 267

Creating a Sampler 268

Applying a Flow Monitor to an Interface 269

Configuring Bridged NetFlow on a VLAN 270

Configuring NetFlow Timeouts 271

Verifying the NetFlow Configuration 272

Monitoring NetFlow 272

Configuration Examples for NetFlow 272

Example: Creating and Applying a Flow 272

Example: Configuring a NetFlow Exporter 273

Soft Reload 275

CHAPTER 22

Information About Soft Reload 275

Soft Reload Debugging 275

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Licensing Requirements for Soft Reload 276

Guidelines and Limitations for Soft Reload 276

Default Setting for Soft Reload 277

Configuring Soft Reload 277

Enabling the Switch to Perform a Soft Reload After a Process Crash 277

Performing a Manual Soft Reload 278

Configuration Examples for Soft Reload 279

Verifying the Soft Reload Status 279

Additional References for Soft Reload 279

Feature History for Soft Reload 279

Configuring GIR (Cisco NX-OS Release 7.3(0)N1(1)) 281

CHAPTER 23

Information About GIR 281

Maintenance Profile 283

Unplanned Maintenance 284

Maintenance Mode Timer 284

Snapshot 285

Suppress FIB Pending 286

FEX Group GIR Functionality 286

Guidelines and Limitations for GIR 287

Configuring Custom Maintenance Mode and Custom Normal Mode Profile 288

Creating a Snapshot 289

Adding Show Commands to Snapshots 290

Dumping Snapshot Sections 292

Entering Maintenance Mode 293

Returning to Normal Mode 298

Deleting a Maintenance Profile 299

Configuration Examples for GIR 300

Verifying GIR 307

Verifying GIR at Protocol Level 308

Feature History for GIR 310

Configuring GIR (Cisco NX-OS Release 7.1(0)N1(1)) 313

CHAPTER 24

Information About GIR 313

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Guidelines and Limitations for GIR 314

Performing the GIR Cycle 315

Configuring the Normal Mode Profile File 315

Creating a Snapshot 317

Entering Maintenance Mode 317

Returning to Normal Mode 318

Configuring the Maintenance Mode Profile File 319

Verifying GIR 320

Class-based Quality-of-Service MIB 323

CHAPTER 25

Class-based Quality-of-Service MIB 323

Information About Class-based Quality-of-Service MIB 323

Licensing Requirements for Class-based Quality-of-Service MIB 324

Prerequisite for Class-based Quality-of-Service MIB 324

Guidelines and Limitations for Class-based Quality-of-Service MIB 324

Configuring a QoS Policy 325

Displaying Class-based Quality-of-Service MIB Configuration and Statistics 326

Additional References for Class-based Quality-of-Service MIB 331

Feature History for Class-based Quality-of-Service MIB 331

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Contents

Preface

The preface contains the following sections:

•Audience, on page xix

•Document Conventions, on page xix

•Related Documentation for Cisco Nexus 6000 Series NX-OS Software, on page xx

•Documentation Feedback, on page xxii

•Communications, Services, and Additional Information, on page xxii

Audience

This publication is for network administrators who configure and maintain Cisco Nexus devices.

Document Conventions

As part of our constant endeavor to remodel our documents to meet our customers' requirements, we have

modified the manner in which we document configuration tasks. As a result of this, you may find a deviation

in the style used to describe these tasks, with the newly included sections of the document following the new

format.

Note

Command descriptions use the following conventions:

DescriptionConvention

Bold text indicates the commands and keywords that you enter literally

as shown.

bold

Italic text indicates arguments for which the user supplies the values.

Italic

Square brackets enclose an optional element (keyword or argument).[x]

Square brackets enclosing keywords or arguments separated by a vertical

bar indicate an optional choice.

[x | y]

Cisco Nexus 6000 Series NX-OS System Management Configuration Guide, Release 7.x

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DescriptionConvention

Braces enclosing keywords or arguments separated by a vertical bar

indicate a required choice.

{x | y}

Nested set of square brackets or braces indicate optional or required

choices within optional or required elements. Braces and a vertical bar

within square brackets indicate a required choice within an optional

element.

[x {y | z}]

Indicates a variable for which you supply values, in context where italics

cannot be used.

variable

A nonquoted set of characters. Do not use quotation marks around the

string or the string will include the quotation marks.

string

Examples use the following conventions:

DescriptionConvention

Terminal sessions and information the switch displays are in screen font.screen font

Information you must enter is in boldface screen font.boldface screen font

Arguments for which you supply values are in italic screen font.

italic screen font

Nonprinting characters, such as passwords, are in angle brackets.< >

Default responses to system prompts are in square brackets.[ ]

An exclamation point (!) or a pound sign (#) at the beginning of a line

of code indicates a comment line.

!, #

This document uses the following conventions:

Means reader take note. Notes contain helpful suggestions or references to material not covered in the manual.

Note

Means reader be careful. In this situation, you might do something that could result in equipment damage or

loss of data.

Caution

Related Documentation for Cisco Nexus 6000 Series NX-OS

Software

The entire Cisco NX-OS 6000 Series documentation set is available at the following URL:

http://www.cisco.com/en/US/products/ps12806/tsd_products_support_series_home.html

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Preface

Related Documentation for Cisco Nexus 6000 Series NX-OS Software

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