Cisco Nexus 5500 Series User manual

Cisco Nexus 5500 Series NX-OS Fundamentals Configuration Guide,
Release 7.x
First Published: January 29, 2013
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Text Part Number: OL-30890-01

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CONTENTS
Preface Preface xi
Audience xi
Document Conventions xi
Related Documentation for Cisco Nexus 5500 Series NX-OS Software xiii
Documentation Feedback xiv
Obtaining Documentation and Submitting a Service Request xv
CHAPTER 1 New and Changed Information for this Release 1
New and Changed Information for this Release 1
CHAPTER 2 Overview 3
Fibre Channel over Ethernet 3
Data Center I/O Consolidation 4
Virtual Interfaces 5
Ethernet Switching 5
FCoE and Fibre Channel Switching 5
QoS 6
Virtual Port Channels 6
Serviceability 6
Switched Port Analyzer 6
Ethanalyzer 6
Call Home 7
Online Diagnostics 7
Switch Management 7
Simple Network Management Protocol 7
Role-Based Access Control 7
Configuration Methods 7
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Configuring with CLI, XML Management Interface, or SNMP 7
Configuring with Cisco Data Center Network Manager 8
Configuring with Cisco MDS Fabric Manager 8
Network Security Features 8
Virtual Device Contexts 8
Licensing 8
Typical Deployment Topologies 8
Ethernet TOR Switch Topology 8
Fabric Extender Deployment Topology 10
Data Center I/O Consolidation Topology 11
Supported Standards 11
CHAPTER 3 Using the Cisco NX-OS Setup Utility 13
Configuring the Switch 13
Image Files on the Switch 13
Starting the Switch 13
Boot Sequence 14
Console Settings 15
Upgrading the Switch Software 15
Downgrading from a Higher Release 19
Initial Configuration 20
Configuration Prerequisites 20
Initial Setup 21
Preparing to Configure the Switch 21
Default Login 22
Configuring the Switch 22
Changing the Initial Configuration 26
Management Interface Configuration 27
About the mgmt0 Interface 27
Configuring the Management Interface 27
Displaying Management Interface Configuration 28
Shutting Down the Management Interface 29
CHAPTER 4 Using PowerOn Auto Provisioning 31
Information About PowerOn Auto Provisioning 31
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Network Requirements for POAP 32
POAP Configuration Script 32
POAP Process 33
Power-Up Phase 35
USB Discovery Phase 35
DHCP Discovery Phase 35
Script Execution Phase 37
Post-Installation Reload Phase 38
Configuration_File_Selection_Methods 38
Serial Number-Based Configuration File Selection 38
Hostname-Based Configuration File Selection 38
MAC-Based Configuration File Selection 38
Location-Based Configuration File Selection 39
Configuration Script Syslog Logging 39
Guidelines and Limitations for POAP 39
Setting Up the Network Environment To Use POAP 40
Configuring a Switch Using POAP 40
Verifying the Device Configuration 41
CHAPTER 5 Understanding the Command-Line Interface 43
Finding Feature Information 44
Information About the CLI Prompt 44
Command Modes 44
EXEC Command Mode 45
Global Configuration Command Mode 45
Interface Configuration Command Mode 45
Subinterface Configuration Command Mode 46
Saving and Restoring a Command Mode 47
Exiting a Configuration Command Mode 47
Command Mode Summary 48
Special Characters 49
Keystroke Shortcuts 49
Abbreviating Commands 52
Completing a Partial Command Name 52
Identifying Your Location in the Command Hierarchy 53
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Using the no Form of a Command 53
Configuring CLI Variables 54
About CLI Variables 54
Configuring CLI Session-Only Variables 55
Configuring Persistent CLI Variables 55
Command Aliases 56
About Command Aliases 56
Defining Command Aliases 57
Configuring Command Aliases for a User Session 58
Command Scripts 58
Running a Command Script 58
Echoing Information to the Terminal 59
Delaying Command Action 60
Context-Sensitive Help 60
Understanding Regular Expressions 62
Special Characters 62
Multiple-Character Patterns 62
Anchoring 63
Searching and Filtering show Command Output 63
Filtering and Searching Keywords 64
diff Utility 65
grep and egrep Utilities 66
less Utility 67
sed Utility 67
sort Utility 67
Searching and Filtering from the --More-- Prompt 68
Using the Command History 69
Recalling a Command 69
Controlling CLI History Recall 70
Configuring the CLI Edit Mode 70
Displaying the Command History 70
Enabling or Disabling the CLI Confirmation Prompts 71
Setting CLI Display Colors 71
Sending Commands to Modules 72
BIOS Loader Prompt 73
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Examples Using the CLI 73
Defining Command Aliases 73
Using CLI Session Variables 73
Using the System-Defined Timestamp Variable 74
Running a Command Script 74
Additional References for the CLI 75
Related Documents for the CLI 75
CHAPTER 6 Configuring Terminal Settings and Sessions 77
Information About Terminal Settings and Sessions 77
Terminal Session Settings 77
Console Port 78
COM1 Port 78
Virtual Terminals 79
Licensing Requirements for Terminal Settings and Sessions 79
Configuring the Console Port 79
Configuring the COM1 Port 81
Configuring Virtual Terminals 83
Configuring the Inactive Session Timeout 83
Configuring the Session Limit 84
Configuring Modem Connections 85
Enabling a Modem Connection 85
Downloading the Default Initialization String 87
Configuring and Downloading a User-Specified Initialization String 88
Initializing a Modem for a Powered-Up Cisco NX-OS Device 89
Clearing Terminal Sessions 90
Displaying Terminal and Session Information 90
Default Settings for File System Parameters 91
Additional References for Terminal Settings and Sessions 91
Related Documents for Terminal Settings and Sessions 91
CHAPTER 7 Basic Device Management 93
Finding Feature Information 93
Information About Basic Device Management 94
Device Hostname 94
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Message-of-the-Day Banner 94
EXEC Banner 94
Device Clock 94
Clock Manager 94
Time Zone and Summer Time (Daylight Saving Time) 94
User Sessions 95
Licensing Requirements for Basic Device Management 95
Changing the Device Hostname 95
Configuring the MOTD Banner 96
Configuring the EXEC Banner 97
Configuring the Time Zone 98
Configuring Summer Time (Daylight Saving Time) 99
Manually Setting the Device Clock 101
Setting the Clock Manager 101
Managing Users 102
Displaying Information about the User Sessions 102
Sending a Message to Users 103
Verifying the Device Configuration 103
Default Settings for Basic Device Parameters 104
Additional References for Basic Device Management 104
Related Documents for Basic Device Management 104
CHAPTER 8 Using the Device File Systems, Directories, and Files 105
Information about the External Storage Devices, Device File Systems, Directories, and
Files 105
File Systems 105
Directories 106
Files 106
Licensing Requirements for File Systems, Directories, and Files 107
Working with Directories 107
Identifying the Current Directory 107
Changing the Current Directory 107
Creating a Directory 108
Displaying Directory Contents 109
Deleting a Directory 109
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Accessing Directories on the Standby Supervisor Module 110
Working with Files 110
Moving Files 110
Copying Files 111
Deleting Files 112
Displaying File Contents 112
Displaying File Checksums 113
Compressing and Uncompressing Files 113
Displaying the Last Lines in a File 114
Redirecting show Command Output to a File 114
Finding Files 115
Working with Archive Files 115
Creating an Archive Files 116
Appending Files to an Archive File 117
Extracting Files from an Archive File 117
Displaying the Filenames in an Archive File 118
Examples of Using the File System 118
Accessing Directories on Standby Supervisor Modules 118
Moving Files 119
Copying Files 119
Deleting a Directory 119
Displaying File Contents 120
Displaying File Checksums 120
Compressing and Uncompressing Files 121
Redirecting show Command Output 121
Finding Files 121
Default Settings for File System Parameters 122
Additional References for File Systems 122
Related Documents for File Systems 122
CHAPTER 9 Working with Configuration Files 123
Information About Configuration Files 123
Types of Configuration Files 123
Licensing Requirements for Configuration Files 124
Managing Configuration Files 124
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Saving the Running Configuration to the Startup Configuration 124
Copying a Configuration File to a Remote Server 125
Downloading the Running Configuration From a Remote Server 126
Downloading the Startup Configuration From a Remote Server 127
Copying Configuration Files to an External Flash Memory Device 128
Copying the Running Configuration from an External Flash Memory Device 129
Copying the Startup Configuration from an External Flash Memory Device 130
Copying Configuration Files to an Internal File System 131
Rolling Back to a Previous Configuration 132
Removing the Configuration for a Missing Module 133
Erasing a Configuration 134
Clearing Inactive Configurations 135
Verifying the Device Configuration 136
Examples of Working with Configuration Files 136
Copying Configuration Files 136
Backing Up Configuration Files 136
Rolling Back to a Previous Configuration 137
Additional References for Configuration Files 137
Related Documents for Configuration Files 137
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