Cisco AP776A - Nexus Converged Network Switch 5020 User manual

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Cisco MDS 9000 Family
CLI Configuration Guide, Release 4.x
Cisco MDS NX-OS Release 4.1(1b) Through 4.1(3)
February 2009
Text Part Number: OL-18084-01

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Cisco MDS 9000 Family CLI Configuration Guide
© 2009 Cisco Systems, Inc. All rights reserved

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CONTENTS
New and Changed Information lvii
Preface lxi
Audience lxi
Organization lxi
Document Conventions lxvi
Related Documentation lxvi
Release Notes lxvi
Regulatory Compliance and Safety Information lxvii
Compatibility Information lxvii
Hardware Installation lxvii
Software Installation and Upgrade lxvii
Cisco Fabric Manager lxvii
Command-Line Interface lxvii
Intelligent Storage Networking Services Configuration Guides lxviii
Troubleshooting and Reference lxviii
Obtaining Documentation and Submitting a Service Request 1-lxviii
lxviii
PART 1Getting Started
CHAPTER 1Product Overview 1-1
Hardware Overview 1-1
Cisco MDS 9500 Series Multilayer Directors 1-2
Cisco MDS 9200 Series Fabric Switches 1-3
Cisco MDS 9216i Multiprotocol Fabric Switch 1-3
Cisco MDS 9222i Multilayer Fabric Switch 1-3
Cisco MDS 9100 Series Fixed Configuration Fabric Switches 1-4
Cisco NX-OS Software Configuration 1-4
Tools for Software Configuration 1-5
CLI 1-5
Cisco MDS 9000 Fabric Manager 1-5
Software Configuration Overview 1-6
Basic Configuration 1-6

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Advanced Configuration 1-6
CHAPTER 2Before You Begin 2-1
About the Switch Prompt 2-2
Default Switch Roles 2-3
Using the CLI 2-3
CLI Command Modes 2-3
CLI Command Hierarchy 2-4
EXEC Mode Options 2-5
Configuration Mode 2-6
CLI Command Navigation 2-10
Command Completion 2-10
File System Completion 2-10
The no and Default Forms of Commands 2-10
CLI Command Configuration Options 2-11
Getting Help 2-11
Managing the Switch Configuration 2-12
Displaying the Switch Configuration 2-12
Saving a Configuration 2-15
Clearing a Configuration 2-15
Displaying Users 2-15
Sending Messages to Users 2-15
Using the ping and ping ipv6 Commands 2-15
Using the Extended ping and ping ipv6 Commands 2-16
Using traceroute and traceroute ipv6 Commands 2-17
Configuring Terminal Parameters 2-18
Setting the Terminal Session Timeout 2-18
Displaying Terminal Sessions 2-19
Clearing Terminal Sessions 2-19
Setting the Terminal Timeout 2-19
Setting the Terminal Type 2-19
Setting the Terminal Screen Length 2-20
Setting the Terminal Screen Width 2-20
Displaying Terminal Settings 2-20
Configuring the Switch Banner Message 2-20
Directing show Command Output to a File 2-21
Using CLI Variables 2-21
User-Defined CLI Persistent Variables 2-22

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System-Defined Variables 2-23
Using Command Aliases 2-23
Defining Command Aliases 2-24
About Flash Devices 2-24
Internal bootflash 2-25
External CompactFlash (Slot0) 2-25
Formatting Flash Devices and File Systems 2-25
Initializing Internal bootflash 2-25
Formatting External CompactFlash 2-26
Using Switch File Systems 2-26
Specifying File Systems 2-27
Setting the Current Directory 2-28
Displaying the Current Directory 2-28
Displaying File Checksums 2-29
Listing the Files in a Directory 2-29
Creating a Directory 2-29
Deleting an Existing Directory 2-29
Moving Files 2-30
Copying Files 2-30
Deleting Files 2-31
Displaying File Contents 2-32
Saving Command Output to a File 2-32
Compressing and Uncompressing Files 2-32
Displaying the Last Lines in a File 2-33
Command Scripts 2-33
Executing Commands Specified in a Script 2-33
Using CLI Variables in Scripts 2-34
Setting the Delay Time 2-35
PART 2Installation and Switch Management
CHAPTER 3Obtaining and Installing Licenses 3-1
Licensing Terminology 3-1
Licensing Model 3-2
Licensing High Availability 3-8
Options to Install a License 3-8
Obtaining a Factory-Installed License 3-9
Performing a Manual Installation 3-9

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Obtaining the License Key File 3-10
Installing the License Key File 3-10
Installing the License Key File to a Remote Location 3-12
Backing Up License Files 3-12
Identifying License Features in Use 3-12
Uninstalling Licenses 3-13
Updating Licenses 3-14
Grace Period Alerts 3-15
License Transfers Between Switches 3-16
Displaying License Information 3-17
CHAPTER 4On-Demand Port Activation Licensing 4-1
About On-Demand Port Activation Licensing 4-1
Port-Naming Conventions 4-2
Port Licensing 4-2
Default Configuration 4-4
License Status Definitions 4-8
Configuring Port Activation Licenses 4-10
Making a Port Eligible for a License 4-11
Acquiring a License for a Port 4-11
Moving Licenses Among Ports 4-12
On-Demand Port Activation License Example 4-13
CHAPTER 5Initial Configuration 5-1
Starting a Switch in the Cisco MDS 9000 Family 5-2
Initial Setup Routine 5-3
Preparing to Configure the Switch 5-3
Default Login 5-4
Setup Options 5-4
Assigning Setup Information 5-5
Configuring Out-of-Band Management 5-6
Configuring In-Band Management 5-11
Using the setup Command 5-15
Accessing the Switch 5-15
Assigning a Switch Name 5-16
Where Do You Go Next? 5-16
Verifying the Module Status 5-17

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Configuring Date, Time, and Time Zone 5-17
Configuring the Time Zone 5-18
Adjusting for Daylight Saving Time or Summer Time 5-18
NTP Configuration 5-19
About NTP 5-20
NTP Configuration Guidelines 5-20
Configuring NTP 5-21
NTP CFS Distribution 5-24
Enabling NTP Distribution 5-24
Committing NTP Configuration Changes 5-24
Discarding NTP Configuration Changes 5-25
Releasing Fabric Session Lock 5-25
Database Merge Guidelines 5-25
NTP Session Status Verification 5-25
Management Interface Configuration 5-26
Obtaining Remote Management Access 5-26
Using the force Option During Shutdown 5-27
Default Gateway Configuration 5-27
Configuring the Default Gateway 5-28
Telnet Server Connection 5-28
Disabling a Telnet Connection 5-29
Configuring Console Port Settings 5-29
Verifying Console Port Settings 5-29
Configuring COM1 Port Settings 5-30
Verifying COM1 Port Settings 5-31
Configuring Modem Connections 5-31
Guidelines to Configure Modems 5-32
Enabling Modem Connections 5-33
Configuring the Initialization String 5-33
Configuring the Default Initialization String 5-34
Configuring a User-Specified Initialization String 5-35
Initializing a Modem in a Powered-On Switch 5-35
Verifying the Modem Connection Configuration 5-36
Configuring CDP 5-37
Clearing CDP Counters and Tables 5-38
Displaying CDP Information 5-38
CHAPTER 6Configuring FlexAttach Virtual pWWN 6-1
About FlexAttach Virtual pWWN 6-1

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FlexAttach Virtual pWWN Guidelines and Requirements 6-2
Configuring FlexAttach Virtual pWWN 6-2
Enabling FlexAttach Virtual pWWN 6-2
Automatically Enabling FlexAttach Virtual pWWN 6-2
Manually Enabling FlexAttach Virtual pWWN 6-3
Mapping pWWN to Virtual pWWN 6-3
Verifying FlexAttach Virtual pWWN 6-4
Verifying the End Device 6-4
Debugging FlexAttach Virtual pWWN 6-5
Security Settings for FlexAttach Virtual pWWN 6-5
FlexAttach Virtual pWWN CFS Distribution 6-6
Difference Between San Device Virtualization and FlexAttach Port Virtualization 6-6
CHAPTER 7Using the CFS Infrastructure 7-1
About CFS 7-1
Cisco MDS NX-OS Features Using CFS 7-2
CFS Features 7-2
CFS Protocol 7-3
CFS Distribution Scopes 7-3
CFS Distribution Modes 7-4
Uncoordinated Distribution 7-4
Coordinated Distribution 7-4
Unrestricted Uncoordinated Distributions 7-4
Disabling CFS Distribution on a Switch 7-4
Verifying CFS Distribution Status 7-5
CFS Application Requirements 7-5
Enabling CFS for an Application 7-6
Verifying Application Registration Status 7-6
Locking the Fabric 7-7
Verifying CFS Lock Status 7-7
Committing Changes 7-8
Discarding Changes 7-8
Saving the Configuration 7-8
Clearing a Locked Session 7-8
CFS Merge Support 7-9
Verifying CFS Merge Status 7-9
CFS Distribution over IP 7-11
Enabling CFS Over IP 7-13

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Verifying the CFS Over IP Configuration 7-13
Configuring IP Multicast Address for CFS over IP 7-13
Verifying IP Multicast Address Configuration for CFS over IP 7-14
Configuring Static IP Peers for CFS over IP 7-14
Verifying Static IP Peer Configuration 7-16
CFS Regions 7-17
About CFS Regions 7-17
Managing CFS Regions 7-18
Creating CFS Regions 7-18
Assigning Applications to CFS Regions 7-18
Moving an Application to a Different CFS Region 7-18
Removing an Application from a Region 7-19
Deleting CFS Regions 7-19
Displaying CFS Regions 7-19
Default Settings 7-19
CHAPTER 8Software Images 8-1
About Software Images 8-1
Dependent Factors for Software Installation 8-2
Selecting the Correct Software Images for Cisco MDS 9100 Series Switches 8-2
Selecting the Correct Software Images for Cisco MDS 9200 Series Switches 8-2
Selecting the Correct Software Images for Cisco MDS 9500 Family Switches 8-2
Essential Upgrade Prerequisites 8-3
Software Upgrade Methods 8-5
Determining Software Compatibility 8-6
Automated Upgrades 8-7
Benefits of Using the install all Command 8-7
Recognizing Failure Cases 8-8
Using the install all Command 8-9
Upgrading Services Modules 8-12
Sample install all Commands 8-13
Upgrade Status Verification 8-20
Nondisruptive Upgrades on Fabric and Modular Switches 8-21
Preparing for a Nondisruptive Upgrade on Fabric and Modular Switches 8-21
Performing a Nondisruptive Upgrade on a Fabric Switch 8-24
Viewing the Status of a Nondisruptive Upgrade on a Fabric Switch 8-25
Troubleshooting a Nondisruptive Upgrade on a Fabric Switch 8-26
Manual Upgrade on a Dual Supervisor Module Switch 8-26
Preparing for a Manual Installation 8-27

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Upgrading a Loader 8-28
Upgrading the BIOS 8-30
Quick Upgrade 8-31
Downgrading from a Higher Release 8-31
Maintaining Supervisor Modules 8-32
Replacing Supervisor Modules 8-33
Migrating from Supervisor-1 Modules to Supervisor-2 Modules 8-33
Standby Supervisor Module Boot Variable Version 8-33
Standby Supervisor Module Bootflash Memory 8-34
Standby Supervisor Module Boot Alert 8-34
Installing Generation 2 Modules in Generation 1 Chassis 8-34
Replacing Modules 8-34
Default Settings 8-35
CHAPTER 9Working with Configuration Files 9-1
Managing Configuration Files 9-1
Displaying Configuration Files 9-1
Downloading Configuration Files to the Switch 9-2
Using a File From a Remote Server 9-2
Using a File From an External CompactFlash Disk (slot0:) 9-3
Saving Configuration Files to an External Device 9-3
Saving to a Remote Server 9-3
Saving to an External CompactFlash Disk (slot0:) 9-4
Saving the Running Configuration 9-4
Saving Startup Configurations in the Fabric 9-4
Unlocking the Startup Configuration File 9-5
Copying Configuration Files 9-5
Backing Up Configuration Files 9-6
Rolling Back to a Previous Configuration 9-7
Restoring the Configured Redundancy Mode 9-7
Accessing File Systems on the Standby Supervisor Module 9-8
Deleting Configuration Files 9-8
CHAPTER 10 Configuring High Availability 10-1
About High Availability 10-1
Switchover Mechanisms 10-2
HA Switchover Characteristics 10-2
Initiating a Switchover 10-2

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Switchover Guidelines 10-3
Verifying Switchover Possibilities 10-3
Process Restartability 10-4
Synchronizing Supervisor Modules 10-4
Copying Boot Variable Images to the Standby Supervisor Module 10-4
Automatic Copying of Boot Variables 10-4
Verifying the Copied Boot Variables 10-4
Displaying HA Status Information 10-5
Displaying the System Uptime 10-7
CHAPTER 11 Managing System Hardware 11-1
Displaying Switch Hardware Inventory 11-1
Running Compact Flash Tests 11-4
Running the CompactFlash CRC Checksum Test On Demand 11-4
Enabling and Disabling the Automatic CompactFlash CRC Checksum Test 11-4
Setting the CompactFlash CRC Checksum Test Interval 11-5
Enabling and Disabling Failure Action at the Failure of a CompactFlash Checksum Test 11-5
Displaying the Frequency and Status of the CompactFlash CRC Checksum Test 11-5
Updating the CompactFlash Firmware 11-6
Updating the CompactFlash Firmware On Demand 11-6
Enabling and Disabling the CompactFlash Firmware Update 11-7
Setting the CompactFlash Firmware Update Interval 11-7
Enabling and Disabling Failure Action at the Failure of a CompactFlash Firmware Update 11-7
Displaying the Frequency and Status of CompactFlash Updates 11-8
Displaying CompactFlash CRC Test and Firmware Update Statistics 11-8
Displaying the Switch Serial Number 11-9
Displaying Power Usage Information 11-10
Power Supply Configuration Modes 11-10
Power Supply Configuration Guidelines 11-11
About Crossbar Management 11-13
Operational Considerations When Removing Crossbars 11-14
Gracefully Shutting Down a Crossbar 11-15
Backward Compatibility for Generation 1 Modules in Cisco MDS 9513 Directors 11-15
About Module Temperature 11-16
Displaying Module Temperature 11-17
About Fan Modules 11-17
About Clock Modules 11-19
Displaying Environment Information 11-20

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Default Settings 11-21
CHAPTER 12 Managing Modules 12-1
About Modules 12-2
Supervisor Modules 12-2
Switching Modules 12-3
Services Modules 12-3
Verifying the Status of a Module 12-4
Checking the State of a Module 12-4
Connecting to a Module 12-5
Reloading Modules 12-6
Reloading a Switch 12-6
Power Cycling Modules 12-6
Reloading Switching Modules 12-7
Preserving the Module Configuration 12-7
Purging Module Configuration 12-8
Powering Off Switching Modules 12-9
Identifying Module LEDs 12-9
EPLD Configuration 12-12
Upgrading EPLD Images 12-13
Displaying EPLD Versions 12-16
Installing the SSI Boot Image 12-18
Upgrading the SSI Boot Image 12-19
SSI Boot Image Upgrade Considerations for the SSM 12-19
Verifying the SSI Boot Image 12-20
Configuring the SSI Image Boot Variable 12-23
Using the install ssi Command 12-25
Managing SSMs and Supervisor Modules 12-28
Configuring SSM Global Upgrade Delay 12-28
Considerations for Replacing SSMs and Supervisor Modules 12-28
Recovering an SSM After Replacing Corrupted CompactFlash Memory 12-29
Considerations for Upgrading and Downgrading Cisco MDS NX-OS Releases 12-29
Default Settings 12-31
PART 3Switch Configuration
CHAPTER 13 Configuring Interfaces 13-1
Fibre Channel Interfaces 13-1

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Generation 1 Interfaces Configuration Guidelines 13-2
About Interface Modes 13-3
E Port 13-4
F Port 13-4
FL Port 13-4
NP Ports 13-4
TL Port 13-5
TE Port 13-5
TF Port 13-5
TNP Port 13-6
SD Port 13-6
ST Port 13-6
Fx Port 13-6
B Port 13-6
Auto Mode 13-7
N Port Identifier Virtualization 13-7
About Interface States 13-7
Administrative States 13-7
Operational States 13-8
Reason Codes 13-8
Configuring Fibre Channel Interfaces 13-11
Graceful Shutdown 13-12
Setting the Interface Administrative State 13-12
Configuring Interface Modes 13-13
Configuring System Default Port Mode F 13-13
Configuring Port Speeds 13-14
Autosensing 13-15
Specifying a Port Owner 13-15
Configuring Port Guard 13-16
Enabling N Port Identifier Virtualization 13-17
About Interface Descriptions 13-17
Configuring the Interface Description 13-17
About Frame Encapsulation 13-17
About Receive Data Field Size 13-18
Configuring Receive Data Field Size 13-18
Identifying the Beacon LEDs 13-18
About Speed LEDs 13-18
About Beacon Mode 13-19
Configuring Beacon Mode 13-19
About Bit Error Thresholds 13-19

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Switch Port Attribute Default Values 13-20
About SFP Transmitter Types 13-21
Displaying Interface Information 13-22
TL Ports for Private Loops 13-30
About TL Ports 13-30
About TL Port ALPA Caches 13-32
Displaying TL Port Information 13-32
Manually Inserting Entries into ALPA Cache 13-34
Displaying the ALPA Cache Contents 13-34
Clearing the ALPA Cache 13-34
Buffer Credits 13-34
About Buffer-to-Buffer Credits 13-34
Configuring Buffer-to-Buffer Credits 13-35
About Performance Buffers 13-36
Configuring Performance Buffers 13-36
About Extended BB_credits 13-36
Extended BB_credits on Generation 1 Switching Modules 13-37
Extended BB_credits on Generation 2 and Generation 3 Switching Modules 13-38
Configuring Extended BB_credits 13-38
Displaying BB_Credit Information 13-39
Management Interfaces 13-40
About Management Interfaces 13-40
Configuring Management Interfaces 13-40
Displaying Management Interface Configuration 13-41
VSAN Interfaces 13-42
About VSAN Interfaces 13-42
Creating VSAN Interfaces 13-42
Displaying VSAN Interface Information 13-42
Default Settings 13-43
CHAPTER 14 Configuring N Port Virtualization 14-1
About NPV 14-1
NPV Mode 14-3
NP Ports 14-4
NP Links 14-4
Internal FLOGI Parameters 14-4
Default Port Numbers 14-5
NPV CFS Distribution over IP 14-6
NPV Traffic Management 14-6

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Auto 14-6
Traffic Map 14-6
Disruptive 14-7
Multiple VSAN Support 14-7
NPV Guidelines and Requirements 14-7
NPV Traffic Management Guidelines 14-8
Configuring NPV 14-8
Configuring NPV Traffic Management 14-10
Configuring List of External Interfaces per Server Interface 14-10
Enable or Disable the Global Policy for Disruptive Load Balancing 14-10
DPVM Configuration 14-11
NPV and Port Security 14-11
Verifying NPV 14-11
Verifying NPV Traffic Management 14-13
CHAPTER 15 Configuring Generation 2 and Generation 3 Switching Modules 15-1
About Generations of Modules and Switches 15-1
Port Groups and Port Rate Modes 15-3
Port Groups 15-3
Port Rate Modes 15-4
Dedicated Rate Mode 15-6
Shared Rate Mode 15-7
Dedicated Rate Mode Configurations for the 8-Gbps Modules 15-7
Dynamic Bandwidth Management 15-8
Out-of-Service Interfaces 15-8
Buffer Credit Allocation 15-8
Buffer Pools 15-9
BB_Credit Buffers for Switching Modules 15-11
48-Port 8-Gbps Fibre Channel Module BB_Credit Buffers 15-12
24-Port 8-Gbps Fibre Channel Module BB_Credit Buffers 15-13
4/44-Port 8-Gbps Host-Optimized Fibre Channel Module BB_Credit Buffers 15-14
48-Port 4-Gbps Fibre Channel Module BB_Credit Buffers 15-15
24-Port 4-Gbps Fibre Channel Module BB_Credit Buffers 15-17
18-Port Fibre Channel/4-Port Gigabit Ethernet Multiservice Module BB_Credit Buffers 15-18
12-Port 4-Gbps Switching Module BB_Credit Buffers 15-18
4-Port 10-Gbps Switching Module BB_Credit Buffers 15-20
BB_Credit Buffers for Fabric Switches 15-21
Cisco MDS 9134 Fabric Switch BB_Credit Buffers 15-21
Cisco MDS 9124 Fabric Switch BB_Credit Buffers 15-21

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Cisco MDS 9222i Multiservice Modular Switch BB_Credit Buffers 15-22
Extended BB_Credits 15-22
Combining Generation 1, Generation 2, and Generation 3 Modules 15-22
Port Indexes 15-23
PortChannels 15-25
Configuring Module Interface Shared Resources 15-28
Displaying Interface Capabilities 15-29
Configuration Guidelines for 48-Port, 24-Port, and 4/44-Port 8-Gbps Fibre Channel Switching
Modules 15-30
Migrating from Shared Mode to Dedicated Mode 15-30
Migrating from Dedicated Mode to Shared Mode 15-30
Configuration Guidelines for 48-Port and 24-Port 4-Gbps Fibre Channel Switching Modules 15-31
Migrating from Shared Mode to Dedicated Mode 15-31
Migrating from Dedicated Mode to Shared Mode 15-32
Configuration Guidelines for 12-Port 4-Gbps Switching Module Interfaces 15-32
Configuration Guidelines for 4-Port 10-Gbps Switching Module Interfaces 15-33
Configuring Port Speed 15-33
Configuring Rate Mode 15-35
Configuring Oversubscription Ratio Restrictions 15-40
Disabling Restrictions on Oversubscription Ratios 15-42
Oversubscription Ratio Restrictions Example 15-43
Enabling Restrictions on Oversubscription Ratios 15-45
Configuring Bandwidth Fairness 15-45
Enabling Bandwidth Fairness 15-46
Disabling Bandwidth Fairness 15-46
Upgrade or Downgrade Scenario 15-47
Taking Interfaces Out of Service 15-47
Releasing Shared Resources in a Port Group 15-48
Enabling the Buffer-to-Buffer State Change Number 15-49
Disabling ACL Adjacency Sharing for System Image Downgrade 15-50
Displaying SFP Diagnostic Information 15-50
Example Configurations 15-50
Configuring a 48-Port 8-Gbps Fibre Channel Switching Module Example 15-51
Configuring a 24-Port 8-Gbps Fibre Channel Switching Module Example 15-52
Configuring a 4/44-Port 8-Gbps Fibre Channel Switching Module Example 15-52
Configuring a 24-Port 4-Gbps Fibre Channel Switching Module Example 15-53
Configuring a 48-Port 4-Gbps Fibre Channel Switching Module Example 15-54
Default Settings 15-55

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CHAPTER 16 Configuring Trunking 16-1
About Trunking 16-1
Trunking E Ports 16-2
Trunking F Ports 16-2
Key Concepts 16-3
Trunking Guidelines and Restrictions 16-3
Trunking Misconfiguration Examples 16-4
Upgrade and Downgrade Restrictions 16-5
Difference Between TE Ports and TF-TNP Ports 16-5
Enabling the Trunking Protocols 16-7
About Trunking Protocols 16-7
Enabling the Cisco Trunking and Channeling Protocols 16-8
Enabling the F Port Trunking and Channeling Protocol 16-8
Configuring Trunk Mode and VSAN List 16-8
About Trunk Modes 16-8
Configuring Trunk Mode 16-9
About Trunk-Allowed VSAN Lists and VF_IDs 16-9
Configuring an Allowed-Active List of VSANs 16-12
Example F Port Trunking Configuration 16-12
Displaying Trunking Information 16-13
Default Settings 16-14
CHAPTER 17 Configuring PortChannels 17-1
About PortChannels 17-1
About E PortChannels 17-2
About F and TF PortChannels 17-3
About PortChanneling and Trunking 17-3
About Load Balancing 17-4
About PortChannel Modes 17-6
Configuration Guidelines and Restrictions 17-7
Generation 1 PortChannel Restrictions 17-7
F and TF PortChannel Restrictions 17-8
PortChannel Configuration 17-9
About PortChannel Configuration 17-10
Creating a PortChannel 17-11
Configuring the PortChannel Mode 17-11
About PortChannel Deletion 17-12
Deleting PortChannels 17-12

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Interfaces in a PortChannel 17-12
About Interface Addition to a PortChannel 17-13
Compatibility Check 17-13
Suspended and Isolated States 17-13
Adding an Interface to a PortChannel 17-14
Forcing an Interface Addition 17-14
About Interface Deletion from a PortChannel 17-15
Deleting an Interface from a PortChannel 17-15
PortChannel Protocols 17-15
About Channel Group Creation 17-16
About Autocreation 17-18
Enabling and Configuring Autocreation 17-18
About Manually Configured Channel Groups 17-19
Converting to Manually Configured Channel Groups 17-19
Example F and TF PortChannel Configurations 17-19
Verifying the PortChannel Configuration 17-21
Default Settings 17-25
CHAPTER 18 Configuring Domain Parameters 18-1
Fibre Channel Domains 18-2
About Domain Restart 18-3
Restarting a Domain 18-4
About Domain Manager Fast Restart 18-4
Enabling Domain Manager Fast Restart 18-4
About Switch Priority 18-5
Configuring Switch Priority 18-5
About fcdomain Initiation 18-5
Disabling or Reenabling fcdomains 18-5
Configuring Fabric Names 18-6
About Incoming RCFs 18-6
Rejecting Incoming RCFs 18-6
About Autoreconfiguring Merged Fabrics 18-6
Enabling Autoreconfiguration 18-7
Domain IDs 18-7
About Domain IDs 18-7
Specifying Static or Preferred Domain IDs 18-9
About Allowed Domain ID Lists 18-10
Configuring Allowed Domain ID Lists 18-11
About CFS Distribution of Allowed Domain ID Lists 18-11

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Enabling Distribution 18-11
Locking the Fabric 18-12
Committing Changes 18-12
Discarding Changes 18-12
Clearing a Fabric Lock 18-12
Displaying CFS Distribution Status 18-13
Displaying Pending Changes 18-13
Displaying Session Status 18-13
About Contiguous Domain ID Assignments 18-14
Enabling Contiguous Domain ID Assignments 18-14
FC IDs 18-14
About Persistent FC IDs 18-15
Enabling the Persistent FC ID Feature 18-15
About Persistent FC ID Configuration 18-16
Configuring Persistent FC IDs 18-17
About Unique Area FC IDs for HBAs 18-17
Configuring Unique Area FC IDs for an HBA 18-17
About Persistent FC ID Selective Purging 18-19
Purging Persistent FC IDs 18-19
Displaying fcdomain Information 18-19
Default Settings 18-22
CHAPTER 19 Scheduling Maintenance Jobs 19-1
About the Command Scheduler 19-1
Scheduler Terminology 19-1
Scheduling Guidelines 19-2
Configuring the Command Scheduler 19-2
Enabling the Command Scheduler 19-3
Configuring Remote User Authentication 19-3
Defining a Job 19-4
Verifying the Job Definition 19-5
Deleting a Job 19-6
Specifying a Schedule 19-6
Specifying a Periodic Schedule 19-6
Specifying a One-Time Schedule 19-7
Verifying Scheduler Configuration 19-8
Deleting a Schedule 19-8
Removing an Assigned Job 19-8
Deleting a Schedule Time 19-9

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Contents
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Verifying the Command Scheduler Execution Status 19-9
Execution Logs 19-9
About Execution Logs 19-9
Configuring Execution Logs 19-10
Displaying Execution Log File Contents 19-10
Clearing the Execution Log File Contents 19-10
Default Settings 19-10
PART 4Fabric Configuration
CHAPTER 20 Configuring and Managing VSANs 20-1
About VSANs 20-1
VSANs Topologies 20-1
VSAN Advantages 20-3
VSANs Versus Zones 20-4
VSAN Configuration 20-5
About VSAN Creation 20-6
Creating VSANs Statically 20-6
About Port VSAN Membership 20-7
Assigning Static Port VSAN Membership 20-7
Displaying VSAN Static Membership 20-7
About the Default VSAN 20-8
About the Isolated VSAN 20-8
Displaying Isolated VSAN Membership 20-9
Operational State of a VSAN 20-9
About Static VSAN Deletion 20-9
Deleting Static VSANs 20-10
About Load Balancing 20-10
Configuring Load Balancing 20-11
About Interop Mode 20-11
About FICON VSANs 20-11
Displaying Static VSAN Configuration 20-11
Default Settings 20-12
CHAPTER 21 SAN Device Virtualization 21-1
About SDV 21-1
Key Concepts 21-4
Automatic Failover and Fallback 21-4