Cisco N5010P-N2K-BE, Nexus 5000 Series Software Configuration Manual

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Cisco Nexus 5000 Series NX-OS
Software Configuration Guide

Release 4.0(1a)N2(1)

June 2009

Americas Headquarters

Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: [phone]

800 553-NETS (6387)

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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
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OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.

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Cisco Nexus 5000 Series Switch CLI Software Configuration Guide

© 2008 Cisco Systems, Inc. All rights reserved

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CONTENTS

Preface i

Audience i

Organization i

Document Conventions ii

Related Documentation iii

Obtaining Documentation and Submitting a Service Request iii

CHAPTER

1 Product Overview 1-1

New Technologies in the Cisco Nexus 5000 Series 1-1

Fibre Channel over Ethernet 1-1
I/O Consolidation 1-2
Virtual Interfaces 1-3

Cisco Nexus 5000 Series Switch Hardware 1-3

Chassis 1-3
Expansion Modules 1-3
Fabric Extender 1-4
Ethernet Interfaces 1-4
Fibre Channel Interfaces 1-4
Management Interfaces 1-4

Cisco Nexus 5000 Series Switch Software 1-4

Ethernet Switching 1-5
FCoE and Fibre Channel Switching 1-5
Licensing 1-5
QoS 1-5
Serviceability 1-6
Switch Management 1-6
Network Security Features 1-7
Virtual Device Contexts 1-8

Typical Deployment Topologies 1-8

Ethernet TOR Switch Topology 1-8
Fabric Extender Deployment Topology 1-9
I/O Consolidation Topology 1-11

Supported Standards 1-12

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Configuration Fundamentals

CHAPTER

2 Using the Command-Line Interface 2-1

Accessing the Command Line Interface 2-1

Using the CLI 2-2

Using CLI Command Modes 2-2
CLI Command Hierarchy 2-3
EXEC Mode Commands 2-4
Configuration Mode Commands 2-5

Using Commands 2-6

Listing Commands and Syntax 2-7
Entering Command Sequences 2-7
Undoing or Reverting to Default Values or Conditions 2-7
Using Keyboard Shortcuts 2-8

Using CLI Variables 2-9

User-Defined Persistent CLI Variables 2-9

Using Command Aliases 2-10

Defining Command Aliases 2-11

Command Scripts 2-11

Executing Commands Specified in a Script 2-11
Using CLI Variables in Scripts 2-12
Setting the Delay Time 2-13

CHAPTER

ii

3 Configuring the Switch 3-1

Image Files on the Switch 3-1

Starting the Switch 3-2
Boot Sequence 3-2
Console Settings 3-3

Upgrading the Switch 3-4

Downgrading from a Higher Release 3-6

Initial Configuration 3-7

Configuration Prerequisites 3-7
Initial Setup 3-8
Preparing to Configure the Switch 3-8
Default Login 3-9
Configuring the Switch 3-9
Changing the Initial Configuration 3-12

Accessing the Switch 3-12

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Additional Switch Configuration 3-12

Assigning a Switch Name 3-13
Configuring Date, Time, and Time Zone 3-13
Adjusting for Daylight Saving Time or Summer Time 3-14

NTP Configuration 3-15

About NTP 3-15
NTP Configuration Guidelines 3-16
Configuring NTP 3-17
NTP CFS Distribution 3-17

Management Interface Configuration 3-19

About the mgmt0 Interface 3-19
Configuring the Management Interface 3-20
Displaying Management Interface Configuration 3-20
Shutting Down the Management Interface 3-21

Managing the Switch Configuration 3-21

Displaying the Switch Configuration 3-21
Saving a Configuration 3-21
Clearing a Configuration 3-22

Contents

CHAPTER

Using Switch File Systems 3-22

Setting the Current Directory 3-22
Displaying the Current Directory 3-23
Listing the Files in a Directory 3-23
Creating a Directory 3-23
Deleting an Existing Directory 3-23
Moving Files 3-24
Copying Files 3-24
Deleting Files 3-24
Displaying File Contents 3-25
Saving Command Output to a File 3-25
Compressing and Uncompressing Files 3-25

4 Managing Licenses 4-1

Licensing Terminology 4-1

Licensing Model 4-2

License Installation 4-3

Obtaining a Factory-Installed License 4-3
Performing a Manual Installation 4-4

Obtaining the License Key File 4-4

Installing the License Key File 4-4

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Backing Up License Files 4-6

Identifying License Features in Use 4-6

Uninstalling Licenses 4-6

Updating Licenses 4-8

Grace Period Alerts 4-8

License Transfers Between Switches 4-9

Verifying the License Configuration 4-10

LAN Switching

CHAPTER

5 Configuring Ethernet Interfaces 5-1

Information About Ethernet Interfaces 5-1

About the Interface Command 5-1
About the Unidirectional Link Detection Parameter 5-2
About Interface Speed 5-4
About the Cisco Discovery Protocol 5-4
About the Debounce Timer Parameters 5-4
About MTU Configuration 5-5

Configuring Ethernet Interfaces 5-5

Configuring the UDLD Mode 5-5
Configuring Interface Speed 5-6
Configuring the Cisco Discovery Protocol 5-7
Configuring the Debounce Timer 5-8
Configuring the Description Parameter 5-9
Disabling and Restarting Ethernet Interfaces 5-9

Displaying Interface Information 5-10

Default Physical Ethernet Settings 5-12

CHAPTER

6 Configuring VLANs 6-1

Information About VLANs 6-1

Understanding VLANs 6-1
Understanding VLAN Ranges 6-2
Creating, Deleting, and Modifying VLANs 6-3

Configuring a VLAN 6-4

Creating and Deleting a VLAN 6-4
Entering the VLAN Submode and Configuring the VLAN 6-5
Adding Ports to a VLAN 6-6

Verifying VLAN Configuration 6-6

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CHAPTER

CHAPTER

7 Configuring Private VLANs 7-1

About Private VLANs 7-1

Primary and Secondary VLANs in Private VLANs 7-2
Understanding Private VLAN Ports 7-3
Understanding Broadcast Traffic in Private VLANs 7-5
Understanding Private VLAN Port Isolation 7-5

Configuring a Private VLAN 7-5

Configuration Guidelines for Private VLANs 7-6
Enabling Private VLANs 7-6
Configuring a VLAN as a Private VLAN 7-7
Associating Secondary VLANs with a Primary Private VLAN 7-7
Configuring an Interface as a Private VLAN Host Port 7-8
Configuring an Interface as a Private VLAN Promiscuous Port 7-9

Verifying Private VLAN Configuration 7-10

8 Configuring Rapid PVST+ 8-1

Information About Rapid PVST+ 8-1

Understanding STP 8-2
Understanding Rapid PVST+ 8-6
Rapid PVST+ and IEEE 802.1Q Trunks 8-16
Rapid PVST+ Interoperation with Legacy 802.1D STP 8-16
Rapid PVST+ Interoperation with 802.1s MST 8-17

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Configuring Rapid PVST+ 8-17

Enabling Rapid PVST+ 8-17
Enabling Rapid PVST+ per VLAN 8-18
Configuring the Root Bridge ID 8-19
Configuring a Secondary Root Bridge 8-20
Configuring the Rapid PVST+ Port Priority 8-21
Configuring the Rapid PVST+ Pathcost Method and Port Cost 8-21
Configuring the Rapid PVST+ Bridge Priority of a VLAN 8-22
Configuring the Rapid PVST+ Hello Time for a VLAN 8-23
Configuring the Rapid PVST+ Forward Delay Time for a VLAN 8-23
Configuring the Rapid PVST+ Maximum Age Time for a VLAN 8-23
Specifying the Link Type 8-24
Restarting the Protocol 8-25

Verifying Rapid PVST+ Configurations 8-25

9 Configuring MST 9-1

Information About MST 9-1

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MST Overview 9-2
MST Regions 9-2
MST BPDUs 9-3
MST Configuration Information 9-3
IST, CIST, and CST 9-4
Hop Count 9-7
Boundary Ports 9-7
Detecting Unidirectional Link Failure 9-8
Port Cost and Port Priority 9-8
Interoperability with IEEE 802.1D 9-9
Interoperability with Rapid PVST+: Understanding PVST Simulation 9-9

Configuring MST 9-9

MST Configuration Guidelines 9-10
Enabling MST 9-10
Entering MST Configuration Mode 9-11
Specifying the MST Name 9-12
Specifying the MST Configuration Revision Number 9-13
Specifying the Configuration on an MST Region 9-13
Mapping and Unmapping VLANs to MST Instances 9-15
Mapping Secondary VLANs to Same MSTI as Primary VLANs for Private VLANs 9-16
Configuring the Root Bridge 9-16
Configuring a Secondary Root Bridge 9-17
Configuring the Port Priority 9-18
Configuring the Port Cost 9-19
Configuring the Switch Priority 9-20
Configuring the Hello Time 9-21
Configuring the Forwarding-Delay Time 9-22
Configuring the Maximum-Aging Time 9-22
Configuring the Maximum-Hop Count 9-22
Configuring PVST Simulation Globally 9-23
Configuring PVST Simulation Per Port 9-23
Specifying the Link Type 9-24
Restarting the Protocol 9-25

Verifying MST Configurations 9-25

CHAPTER

10 Configuring STP Extensions 10-1

Information About STP Extensions 10-1

Understanding STP Port Types 10-2
Understanding Bridge Assurance 10-2

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Understanding BPDU Guard 10-3
Understanding BPDU Filtering 10-3
Understanding Loop Guard 10-4
Understanding Root Guard 10-5

Configuring STP Extensions 10-5

STP Extensions Configuration Guidelines 10-5
Configuring Spanning Tree Port Types Globally 10-6
Configuring Spanning Tree Edge Ports on Specified Interfaces 10-7
Configuring Spanning Tree Network Ports on Specified Interfaces 10-7
Enabling BPDU Guard Globally 10-8
Enabling BPDU Guard on Specified Interfaces 10-9
Enabling BPDU Filtering Globally 10-10
Enabling BPDU Filtering on Specified Interfaces 10-10
Enabling Loop Guard Globally 10-12
Enabling Loop Guard or Root Guard on Specified Interfaces 10-12

Contents

CHAPTER

Verifying STP Extension Configuration 10-13

11 Configuring EtherChannels 11-1

Information About EtherChannels 11-1

Understanding EtherChannels 11-2
Compatibility Requirements 11-2
Load Balancing Using EtherChannels 11-3
Understanding LACP 11-4

Configuring EtherChannels 11-7

Creating an EtherChannel 11-7
Adding a Port to an EtherChannel 11-8
Configuring Load Balancing Using EtherChannels 11-9
Enabling LACP 11-10
Configuring Port-Channel Port Modes 11-10
Configuring the LACP System Priority and System ID 11-11
Configuring the LACP Port Priority 11-11

Verifying Port-Channel Configuration 11-12

CHAPTER

12 Configuring Access and Trunk Interfaces 12-1

Information About Access and Trunk Interfaces 12-1

Understanding Access and Trunk Interfaces 12-1
Understanding IEEE 802.1Q Encapsulation 12-2
Understanding Access VLANs 12-3
Understanding the Native VLAN ID for Trunk Ports 12-3

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Understanding Allowed VLANs 12-4

Configuring Access and Trunk Interfaces 12-4

Configuring a LAN Interface as an Ethernet Access Port 12-4
Configuring Access Host Ports 12-5
Configuring Trunk Ports 12-6
Configuring the Native VLAN for 802.1Q Trunking Ports 12-6
Configuring the Allowed VLANs for Trunking Ports 12-7

Verifying Interface Configuration 12-8

CHAPTER

CHAPTER

CHAPTER

13 Configuring the MAC Address Table 13-1

Information About MAC Addresses 13-1

Configuring MAC Addresses 13-1

Configuring a Static MAC Address 13-2
Configuring the Aging Time for the MAC Table 13-2
Clearing Dynamic Addresses from the MAC Table 13-3

Verifying the MAC Address Configuration 13-3

14 Configuring IGMP Snooping 14-1

Information About IGMP Snooping 14-1

IGMPv1 and IGMPv2 14-2
IGMPv3 14-3
IGMP Snooping Querier 14-3
IGMP Forwarding 14-3

Configuring IGMP Snooping Parameters 14-4

Verifying IGMP Snooping Configuration 14-6

15 Configuring Traffic Storm Control 15-1

Information About Traffic Storm Control 15-1

Guidelines and Limitations 15-2

Configuring Traffic Storm Control 15-3

Verifying Traffic Storm Control Configuration 15-3

Displaying Traffic Storm Control Counters 15-3

Traffic Storm Control Example Configuration 15-4

Default Settings 15-4

Switch Security Features

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CHAPTER

16 Configuring AAA 16-1

Information About AAA 16-1

AAA Security Services 16-1
Benefits of Using AAA 16-2
Remote AAA Services 16-2
AAA Server Groups 16-3
AAA Service Configuration Options 16-3
Authentication and Authorization Process for User Login 16-4

Prerequisites for Remote AAA 16-5

AAA Guidelines and Limitations 16-6

Configuring AAA 16-6

Configuring Console Login Authentication Methods 16-6
Configuring Default Login Authentication Methods 16-8
Enabling Login Authentication Failure Messages 16-8
Enabling MSCHAP Authentication 16-9
Configuring AAA Accounting Default Methods 16-10
Using AAA Server VSAs with Nexus 5000 Series Switches 16-11

Displaying and Clearing the Local AAA Accounting Log 16-12

CHAPTER

Verifying AAA Configuration 16-12

Example AAA Configuration 16-12

Default Settings 16-13

17 Configuring RADIUS 17-1

Information About RADIUS 17-1

RADIUS Network Environments 17-1
RADIUS Operation 17-2
RADIUS Server Monitoring 17-3
Vendor-Specific Attributes 17-3

Prerequisites for RADIUS 17-4

Guidelines and Limitations 17-4

Configuring RADIUS Servers 17-4

Configuring RADIUS Server Hosts 17-5
Configuring Global Preshared Keys 17-6
Configuring RADIUS Server Preshared Keys 17-6
Configuring RADIUS Server Groups 17-7
Allowing Users to Specify a RADIUS Server at Login 17-8
Configuring the Global RADIUS Transmission Retry Count and Timeout Interval 17-9
Configuring the RADIUS Transmission Retry Count and Timeout Interval for a Server 17-9

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Configuring Accounting and Authentication Attributes for RADIUS Servers 17-10
Configuring Periodic RADIUS Server Monitoring 17-11
Configuring the Dead-Time Interval 17-12
Manually Monitoring RADIUS Servers or Groups 17-13

Verifying RADIUS Configuration 17-13

Displaying RADIUS Server Statistics 17-13

Example RADIUS Configuration 17-14

Default Settings 17-14

CHAPTER

18 Configuring TACACS+ 18-1

Information About TACACS+ 18-1

TACACS+ Advantages 18-2
User Login with TACACS+ 18-2
Default TACACS+ Server Encryption Type and Preshared Key 18-3
TACACS+ Server Monitoring 18-3

Prerequisites for TACACS+ 18-4

Guidelines and Limitations 18-4

Configuring TACACS+ 18-4

TACACS+ Server Configuration Process 18-4
Enabling TACACS+ 18-5
Configuring TACACS+ Server Hosts 18-5
Configuring Global Preshared Keys 18-6
Configuring TACACS+ Server Preshared Keys 18-7
Configuring TACACS+ Server Groups 18-7
Specifying a TACACS+ Server at Login 18-8
Configuring the Global TACACS+ Timeout Interval 18-9
Configuring the Timeout Interval for a Server 18-9
Configuring TCP Ports 18-10
Configuring Periodic TACACS+ Server Monitoring 18-11
Configuring the Dead-Time Interval 18-12
Manually Monitoring TACACS+ Servers or Groups 18-12
Disabling TACACS+ 18-12

Displaying TACACS+ Statistics 18-13

Verifying TACACS+ Configuration 18-13

Example TACACS+ Configuration 18-13

Default Settings 18-14

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Contents

CHAPTER

19 Configuring SSH and Telnet 19-1

Information About SSH and Telnet 19-1

SSH Server 19-1
SSH Client 19-2
SSH Server Keys 19-2
Telnet Server 19-2

Prerequisites for SSH 19-2

Guidelines and Limitations 19-3

Configuring SSH 19-3

Generating SSH Server Keys 19-3
Specifying the SSH Public Keys for User Accounts 19-4
Starting SSH Sessions to Remote Devices 19-6
Clearing SSH Hosts 19-6
Disabling the SSH Server 19-6
Deleting SSH Server Keys 19-6
Clearing SSH Sessions 19-7

Configuring Telnet 19-7

Enabling the Telnet Server 19-7
Starting Telnet Sessions to Remote Devices 19-8
Clearing Telnet Sessions 19-8

CHAPTER

Verifying the SSH and Telnet Configuration 19-9

SSH Example Configuration 19-9

Default Settings 19-10

20 Configuring ACLs 20-1

Information About ACLs 20-1

IP ACL Types and Applications 20-1
Rules 20-2

Configuring IP ACLs 20-4

Creating an IP ACL 20-5
Changing an IP ACL 20-5
Removing an IP ACL 20-6
Changing Sequence Numbers in an IP ACL 20-7
Applying an IP ACL as a Port ACL 20-7
Applying an IP ACL as a VACL 20-8
Verifying IP ACL Configurations 20-8
Displaying and Clearing IP ACL Statistics 20-9

Configuring MAC ACLs 20-9

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Creating a MAC ACL 20-10
Changing a MAC ACL 20-10
Removing a MAC ACL 20-11
Changing Sequence Numbers in a MAC ACL 20-12
Applying a MAC ACL as a Port ACL 20-12
Applying a MAC ACL as a VACL 20-13
Verifying MAC ACL Configurations 20-13
Displaying and Clearing MAC ACL Statistics 20-13

Information About VLAN ACLs 20-14

VACLs and Access Maps 20-14
VACLs and Actions 20-14
Statistics 20-15

Configuring VACLs 20-15

Creating or Changing a VACL 20-15
Removing a VACL 20-16
Applying a VACL to a VLAN 20-16
Verifying VACL Configuration 20-17
Displaying and Clearing VACL Statistics 20-17

CHAPTER

Default Settings 20-18

System Management

21 Using Cisco Fabric Services 21-1

Information About CFS 21-1

CFS Distribution 21-2

CFS Distribution Modes 21-2
Enabling/Disabling CFS Distribution on a Switch 21-3
Verifying CFS Distribution Status 21-4
CFS Distribution over IP 21-4
CFS Distribution over Fibre Channel 21-5
CFS Distribution Scopes 21-5
CFS Merge Support 21-6

CFS Support for Applications 21-6

CFS Application Requirements 21-6
Enabling CFS for an Application 21-7
Locking the Network 21-8
Committing Changes 21-8
Discarding Changes 21-9
Saving the Configuration 21-9

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Clearing a Locked Session 21-9

CFS Regions 21-9

About CFS Regions 21-10
Example Scenario 21-10
Managing CFS Regions 21-10

Configuring CFS over IP 21-12

Enabling CFS over IP 21-12
Verifying the CFS Over IP Configuration 21-13
Configuring IP Multicast Address for CFS over IP 21-13
Verifying IP Multicast Address Configuration for CFS over IP 21-14

Displaying CFS Distribution Information 21-14

Default Settings 21-16

Contents

CHAPTER

22 Configuring User Accounts and RBAC 22-1

Information About User Accounts and RBAC 22-1

About User Accounts 22-1
Characteristics of Strong Passwords 22-2
About User Roles 22-2
About Rules 22-3
About User Role Policies 22-3

Guidelines and Limitations 22-4

Configuring User Accounts 22-4

Configuring RBAC 22-5

Creating User Roles and Rules 22-5
Creating Feature Groups 22-7
Changing User Role Interface Policies 22-7
Changing User Role VLAN Policies 22-8
Changing User Role VSAN Policies 22-8

Verifying User Accounts and RBAC Configuration 22-9

Example User Accounts and RBAC Configuration 22-9

Default Settings 22-10

CHAPTER

23 Configuring Session Manager 23-1

Information About Session Manager 23-1

Configuration Guidelines and Limitations 23-1

Configuring Session Manager 23-2

Creating a Session 23-2
Configuring ACLs in a Session 23-2

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Verifying a Session 23-3
Committing a Session 23-3
Saving a Session 23-3
Discarding a Session 23-3
Session Manager Example Configuration 23-3

Verifying Session Manager Configuration 23-4

CHAPTER

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24 Configuring Online Diagnostics 24-1

Information About Online Diagnostics 24-1

Online Diagnostics Overview 24-1
Bootup Diagnostics 24-1
Health Monitoring Diagnostics 24-2
Expansion Module Diagnostics 24-3

Configuring Online Diagnostics 24-4

Verifying Online Diagnostics Configuration 24-4

Default Settings 24-4

25 Configuring System Message Logging 25-1

Information About System Message Logging 25-1

syslog Servers 25-2

Configuring System Message Logging 25-2

Configuring System Message Logging to Terminal Sessions 25-2
Configuring System Message Logging to a File 25-3
Configuring Module and Facility Messages Logged 25-4
Configuring syslog Servers 25-5
Configuring syslog Server Configuration Distribution 25-7
Displaying and Clearing Log Files 25-8

Verifying System Message Logging Configuration 25-9

System Message Logging Example Configuration 25-9

Default Settings 25-10

CHAPTER

26 Configuring Smart Call Home 26-1

Information About Call Home 26-1

Call Home Overview 26-1
Destination Profiles 26-2
Call Home Alert Groups 26-2
Call Home Message Levels 26-4
Obtaining Smart Call Home 26-5

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Prerequisites for Call Home 26-5

Configuration Guidelines and Limitations 26-5

Configuring Call Home 26-6

Guidelines for Configuring Call Home 26-6
Configuring Contact Information 26-6
Creating a Destination Profile 26-8
Modifying a Destination Profile 26-8
Associating an Alert Group with a Destination Profile 26-9
Adding show Commands to an Alert Group 26-10
Configuring E-Mail 26-10
Configuring Periodic Inventory Notification 26-11
Disabling Duplicate Message Throttle 26-12
Enabling or Disabling Call Home 26-12
Testing Call Home Communications 26-13

Verifying Call Home Configuration 26-13

Contents

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Call Home Example Configuration 26-14

Default Settings 26-14

Additional References 26-15

Message Formats 26-15
Sample syslog Alert Notification in Full-Text Format 26-18
Sample syslog Alert Notification in XML Format 26-19

27 Configuring SNMP 27-1

Information About SNMP 27-1

SNMP Functional Overview 27-1
SNMP Notifications 27-2
SNMPv3 27-2

Configuration Guidelines and Limitations 27-5

Configuring SNMP 27-5

Configuring SNMP Users 27-5
Enforcing SNMP Message Encryption 27-5
Assigning SNMPv3 Users to Multiple Roles 27-6
Creating SNMP Communities 27-6
Configuring SNMP Notification Receivers 27-6
Configuring the Notification Target User 27-7
Enabling SNMP Notifications 27-8
Configuring linkUp/linkDown Notifications 27-9
Disabling Up/ Down Notifications on an Interface 27-10
Enabling One-Time Authentication for SNMP over TCP 27-10

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Assigning SNMP Switch Contact and Location Information 27-11

Verifying SNMP Configuration 27-11

SNMP Example Configuration 27-11

Default Settings 27-12

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28 Configuring RMON 28-1

Information About RMON 28-1

RMON Alarms 28-1
RMON Events 28-2

Configuration Guidelines and Limitations 28-2

Configuring RMON 28-3

Configuring RMON Alarms 28-3
Configuring RMON Events 28-4

Verifying RMON Configuration 28-4

RMON Example Configuration 28-4

Default Settings 28-5

Fibre Channel over Ethernet

29 Configuring FCoE 29-1

Information About FCoE 29-1

Licensing Requirements 29-1
Converged Network Adapters 29-2
DCBX Capabilities 29-2
DCE Bridging Capability Exchange Protocol 29-3
DCBX Feature Negotiation 29-3
Ethernet Frame Formats 29-4

Configuring FCoE 29-4

Enabling FCoE 29-5
Enabling FCoE on Ethernet Interfaces 29-5
Configuring Priority Flow Control 29-6
Configuring IEEE 802.3x Link-Level Flow Control 29-6

Configuring LLDP 29-7

Configuring Global LLDP Commands 29-7
Configuring Interface LLDP Commands 29-8

Verifying FCoE Configuration 29-8

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CHAPTER

30 Configuring Virtual Interfaces 30-1

Information About Virtual Interfaces 30-1

Guidelines and Limitations 30-1

Configuring Virtual Interfaces 30-2

Creating a Virtual Fibre Channel Interface 30-2
Mapping VSANs to VLANs 30-2
Deleting a Virtual Fibre Channel Interface 30-3

Verifying Virtual Interface Information 30-4

Quality of Service

31 Configuring QoS 31-1

Information About QoS 31-1

MQC 31-2
System Classes 31-2
Default System Classes 31-3
Link-Level Flow Control 31-3
Priority Flow Control 31-3
MTU 31-4
Trust Boundaries 31-4
Ingress Policies 31-5
Egress Policies 31-5
QoS for Multicast Traffic 31-5
Policy for Fibre Channel Interfaces 31-6
QoS for Traffic Directed to the CPU 31-6

Configuration Guidelines and Limitations 31-6

Configuring PFC and LLC 31-7

Configuring Priority Flow Control 31-7
Configuring IEEE 802.3x Link-Level Flow Control 31-8

Configuring System Classes 31-8

Configuring Class Maps 31-9
Configuring Policy Maps 31-9
Creating the System Service Policy 31-11
System Class Example 31-11
Enabling Jumbo MTU 31-11
Verifying Jumbo MTU 31-12

Configuring QoS on Interfaces 31-13

Configuring Untagged CoS 31-13

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Configuring Ingress Policies 31-13
Configuring Egress Policies 31-14

SAN Switching

CHAPTER

32 Configuring Fibre Channel Interfaces 32-1

Information About Fibre Channel Interfaces 32-1

Licensing Requirements 32-1
Physical Fibre Channel Interfaces 32-2
Virtual Fibre Channel Interfaces 32-2
Interface Modes 32-2
Interface States 32-5
Buffer-to-Buffer Credits 32-7

Configuring Fibre Channel Interfaces 32-8

Configuring a Fibre Channel Interface 32-8
Setting the Interface Administrative State 32-9
Configuring Interface Modes 32-9
Configuring the Interface Description 32-10
Configuring Port Speeds 32-10
Configuring SD Port Frame Encapsulation 32-11
Configuring Receive Data Field Size 32-11
Understanding Bit Error Thresholds 32-11
Configuring Buffer-to-Buffer Credits 32-12

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Configuring Global Attributes for Fibre Channel Interfaces 32-13

Configuring Switch Port Attribute Default Values 32-13
About N Port Identifier Virtualization 32-14
Enabling N Port Identifier Virtualization 32-14

Verifying Fibre Channel Interfaces 32-15

Verifying SFP Transmitter Types 32-15
Verifying Interface Information 32-15
Verifying BB_Credit Information 32-17

Default Settings 32-17

33 Configuring Domain Parameters 33-1

Information About Fibre Channel Domains 33-1

About Domain Restart 33-3
Restarting a Domain 33-3
About Domain Manager Fast Restart 33-3
Enabling Domain Manager Fast Restart 33-4

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About Switch Priority 33-4
Configuring Switch Priority 33-4
About fcdomain Initiation 33-5
Disabling or Reenabling fcdomains 33-5
Configuring Fabric Names 33-5
About Incoming RCFs 33-5
Rejecting Incoming RCFs 33-6
About Autoreconfiguring Merged Fabrics 33-6
Enabling Autoreconfiguration 33-6

Domain IDs 33-6

About Domain IDs 33-7
Specifying Static or Preferred Domain IDs 33-9
About Allowed Domain ID Lists 33-9
Configuring Allowed Domain ID Lists 33-10
About CFS Distribution of Allowed Domain ID Lists 33-10
Enabling Distribution 33-10
Locking the Fabric 33-11
Committing Changes 33-11
Discarding Changes 33-11
Clearing a Fabric Lock 33-12
Displaying CFS Distribution Status 33-12
Displaying Pending Changes 33-12
Displaying Session Status 33-13
About Contiguous Domain ID Assignments 33-13
Enabling Contiguous Domain ID Assignments 33-13

Contents

FC IDs 33-13

About Persistent FC IDs 33-14
Enabling the Persistent FC ID Feature 33-14
Persistent FC ID Configuration Guidelines 33-15
Configuring Persistent FC IDs 33-15
About Unique Area FC IDs for HBAs 33-16
Configuring Unique Area FC IDs for an HBA 33-16
About Persistent FC ID Selective Purging 33-17
Purging Persistent FC IDs 33-18

Verifying fcdomain Information 33-18

Default Settings 33-19

CHAPTER

34 Configuring N Port Virtualization 34-1

Information About NPV 34-1

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NPV Overview 34-1
NPV Mode 34-2
Server Interfaces 34-2
NP Uplinks (External Interfaces) 34-3
FLOGI Operation 34-3
NPV Traffic Management 34-4
NPV Traffic Management Guidelines 34-5

Guidelines and Limitations 34-5

Configuring NPV 34-6

Enabling NPV 34-6
Configuring NPV Interfaces 34-7
Configuring NPV Traffic Management 34-7

Verifying NPV 34-8

Verifying NPV Traffic Management 34-9

CHAPTER

CHAPTER

35 Configuring VSAN Trunking 35-1

Information About VSAN Trunking 35-1

VSAN Trunking Mismatches 35-2
VSAN Trunking Protocol 35-2

Configuring VSAN Trunking 35-3

Guidelines and Restrictions 35-3
Enabling or Disabling the VSAN Trunking Protocol 35-3
About Trunk Mode 35-3
Configuring Trunk Mode 35-4
About Trunk-Allowed VSAN Lists 35-4
Configuring an Allowed-Active List of VSANs 35-6

Displaying VSAN Trunking Information 35-6

Default Settings 35-7

36 Configuring SAN Port Channels 36-1

Information About SAN Port Channels 36-1

Understanding Port Channels and VSAN Trunking 36-2
Understanding Load Balancing 36-2

Configuring SAN Port Channels 36-4

SAN Port Channel Configuration Guidelines 36-5
Creating a SAN Port Channel 36-6
About SAN Port Channel Modes 36-6
About SAN Port Channel Deletion 36-7

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Deleting SAN Port Channels 36-8

Interfaces in a SAN Port Channel 36-8

About Interface Addition to a SAN Port Channel 36-9
Adding an Interface to a SAN Port Channel 36-9
Forcing an Interface Addition 36-10
About Interface Deletion from a SAN Port Channel 36-10
Deleting an Interface from a SAN Port Channel 36-11

Port Channel Protocol 36-11

About Channel Group Creation 36-12
Autocreation Guidelines 36-13
Enabling and Configuring Autocreation 36-14
About Manually Configured Channel Groups 36-14
Converting to Manually Configured Channel Groups 36-14

Verifying SAN Port Channel Configuration 36-15

Default Settings 36-16

Contents

CHAPTER

37 Configuring and Managing VSANs 37-1

Information About VSANs 37-1

VSAN Topologies 37-1
VSAN Advantages 37-3
VSANs Versus Zones 37-4

Configuring VSANs 37-5

About VSAN Creation 37-6
Creating VSANs Statically 37-6
About Port VSAN Membership 37-7
Assigning Static Port VSAN Membership 37-7
Displaying VSAN Static Membership 37-7
About the Default VSAN 37-8
About the Isolated VSAN 37-8
Displaying Isolated VSAN Membership 37-8
Operational State of a VSAN 37-9
About Static VSAN Deletion 37-9
Deleting Static VSANs 37-10
About Load Balancing 37-10
Configuring Load Balancing 37-10
About Interop Mode 37-11

Displaying Static VSAN Configuration 37-11

Default Settings 37-11

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CHAPTER

38 Configuring and Managing Zones 38-1

Information About Zoning 38-1

Zoning Features 38-2
Zoning Example 38-3
Zone Implementation 38-4
Active and Full Zone Set Configuration Guidelines 38-4

Configuring Zones 38-7

Zone Sets 38-8

Activating a Zone Set 38-9
About the Default Zone 38-10
Configuring the Default Zone Access Permission 38-10
About FC Alias Creation 38-10
Creating FC Aliases 38-11
Creating Zone Sets and Adding Member Zones 38-12
Zone Enforcement 38-13

Zone Set Distribution 38-13

Enabling Full Zone Set Distribution 38-14
Enabling a One-Time Distribution 38-14
About Recovering from Link Isolation 38-14
Importing and Exporting Zone Sets 38-15

Zone Set Duplication 38-16

Copying Zone Sets 38-16
Renaming Zones, Zone Sets, and Aliases 38-16
Cloning Zones, Zone Sets, FC Aliases, and Zone Attribute Groups 38-17
Clearing the Zone Server Database 38-17

Verifying Zone Information 38-18

Enhanced Zoning 38-18

About Enhanced Zoning 38-19
Changing from Basic Zoning to Enhanced Zoning 38-20
Changing from Enhanced Zoning to Basic Zoning 38-20
Enabling Enhanced Zoning 38-20
Modifying the Zone Database 38-21
Releasing Zone Database Locks 38-21
Merging the Database 38-22
Configuring Zone Merge Control Policies 38-23
Default Zone Policies 38-23
Configuring System Default Zoning Settings 38-23
Verifying Enhanced Zone Information 38-24

Compacting the Zone Database 38-24

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Zone and Zone Set Analysis 38-24

Default Settings 38-25

Contents

CHAPTER

39 Distributing Device Alias Services 39-1

Information About Device Aliases 39-1

Device Alias Features 39-1
Device Alias Requirements 39-2
Zone Aliases Versus Device Aliases 39-2

Device Alias Databases 39-2

Creating Device Aliases 39-3
Device Alias Modes 39-4
Changing Device Alias Mode Guidelines 39-4
Configuring Device Alias Modes 39-5
About Device Alias Distribution 39-5
Locking the Fabric 39-5
Committing Changes 39-6
Discarding Changes 39-6
Fabric Lock Override 39-7
Disabling and Enabling Device Alias Distribution 39-7

About Legacy Zone Alias Configuration 39-8

Importing a Zone Alias 39-8

CHAPTER

Database Merge Guidelines 39-8

Verifying Device Alias Configuration 39-9

Default Settings 39-10

40 Configuring Fibre Channel Routing Services and Protocols 40-1

Information About FSPF 40-1

FSPF Examples 40-2

FSPF Global Configuration 40-3

About SPF Computational Hold Times 40-3
About Link State Records 40-4
Configuring FSPF on a VSAN 40-4
Resetting FSPF to the Default Configuration 40-5
Enabling or Disabling FSPF 40-5
Clearing FSPF Counters for the VSAN 40-5

FSPF Interface Configuration 40-5

About FSPF Link Cost 40-6
Configuring FSPF Link Cost 40-6

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About Hello Time Intervals 40-6
Configuring Hello Time Intervals 40-6
About Dead Time Intervals 40-7
Configuring Dead Time Intervals 40-7
About Retransmitting Intervals 40-7
Configuring Retransmitting Intervals 40-8
About Disabling FSPF for Specific Interfaces 40-8
Disabling FSPF for Specific Interfaces 40-8
Clearing FSPF Counters for an Interface 40-9

FSPF Routes 40-9

About Fibre Channel Routes 40-9
Configuring Fibre Channel Routes 40-10

In-Order Delivery 40-10

About Reordering Network Frames 40-11
About Reordering SAN Port Channel Frames 40-11
About Enabling In-Order Delivery 40-12
Enabling In-Order Delivery Globally 40-12
Enabling In-Order Delivery for a VSAN 40-13
Displaying the In-Order Delivery Status 40-13
Configuring the Drop Latency Time 40-13
Displaying Latency Information 40-14

CHAPTER

Flow Statistics Configuration 40-14

About Flow Statistics 40-15
Counting Aggregated Flow Statistics 40-15
Counting Individual Flow Statistics 40-15
Clearing FIB Statistics 40-15
Displaying Flow Statistics 40-16

Default Settings 40-16

41 Managing FLOGI, Name Server, FDMI, and RSCN Databases 41-1

Information About Fabric Login 41-1

Name Server Proxy 41-2

About Registering Name Server Proxies 41-2
Registering Name Server Proxies 41-2
About Rejecting Duplicate pWWNs 41-2
Rejecting Duplicate pWWNs 41-3
About Name Server Database Entries 41-3
Displaying Name Server Database Entries 41-3

FDMI 41-4

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Displaying FDMI 41-4

RSCN 41-4

About RSCN Information 41-5
Displaying RSCN Information 41-5
About the multi-pid Option 41-5
Configuring the multi-pid Option 41-6
Suppressing Domain Format SW-RSCNs 41-6
Clearing RSCN Statistics 41-6
Configuring the RSCN Timer 41-7
Verifying the RSCN Timer Configuration 41-7
RSCN Timer Configuration Distribution 41-8

Default Settings 41-10

Contents

CHAPTER

CHAPTER

42 Discovering SCSI Targets 42-1

Information About SCSI LUN Discovery 42-1

About Starting SCSI LUN Discovery 42-1
Starting SCSI LUN Discovery 42-2
About Initiating Customized Discovery 42-2
Initiating Customized Discovery 42-2

Displaying SCSI LUN Information 42-3

43 Advanced Fibre Channel Features and Concepts 43-1

Fibre Channel Timeout Values 43-1

Timer Configuration Across All VSANs 43-2
Timer Configuration Per-VSAN 43-2
About fctimer Distribution 43-3
Enabling or Disabling fctimer Distribution 43-3
Committing fctimer Changes 43-3
Discarding fctimer Changes 43-4
Fabric Lock Override 43-4
Database Merge Guidelines 43-4
Verifying Configured fctimer Values 43-5

World Wide Names 43-5

Verifying WWN Information 43-6
Link Initialization WWN Usage 43-6
Configuring a Secondary MAC Address 43-6

FC ID Allocation for HBAs 43-7

Default Company ID List 43-7
Verifying the Company ID Configuration 43-8

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Switch Interoperability 43-9

About Interop Mode 43-9
Configuring Interop Mode 1 43-11
Verifying Interoperating Status 43-12

Default Settings 43-15

CHAPTER

44 Configuring FC-SP and DHCHAP 44-1

Information About Fabric Authentication 44-1

DHCHAP 44-2

DHCHAP Compatibility with Fibre Channel Features 44-3
About Enabling DHCHAP 44-4
Enabling DHCHAP 44-4
About DHCHAP Authentication Modes 44-4
Configuring the DHCHAP Mode 44-5
About the DHCHAP Hash Algorithm 44-5
Configuring the DHCHAP Hash Algorithm 44-6
About the DHCHAP Group Settings 44-6
Configuring the DHCHAP Group Settings 44-6
About the DHCHAP Password 44-6
Configuring DHCHAP Passwords for the Local Switch 44-7
About Password Configuration for Remote Devices 44-7
Configuring DHCHAP Passwords for Remote Devices 44-8
About the DHCHAP Timeout Value 44-8
Configuring the DHCHAP Timeout Value 44-8
Configuring DHCHAP AAA Authentication 44-9
Displaying Protocol Security Information 44-9

Sample Configuration 44-9

Default Settings 44-11

CHAPTER

45 Configuring Port Security 45-1

Information About Port Security 45-1

Port Security Enforcement 45-2
About Auto-Learning 45-2
Port Security Activation 45-3

Configuring Port Security 45-3

Configuring Port Security with Auto-Learning and CFS Distribution 45-3
Configuring Port Security with Auto-Learning without CFS 45-4
Configuring Port Security with Manual Database Configuration 45-5

Enabling Port Security 45-5

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Port Security Activation 45-5

Activating Port Security 45-6
Database Activation Rejection 45-6
Forcing Port Security Activation 45-6
Database Reactivation 45-7

Auto-Learning 45-7

About Enabling Auto-Learning 45-8
Enabling Auto-Learning 45-8
Disabling Auto-Learning 45-8
Auto-Learning Device Authorization 45-8
Authorization Scenario 45-9

Port Security Manual Configuration 45-10

WWN Identification Guidelines 45-10
Adding Authorized Port Pairs 45-11

Port Security Configuration Distribution 45-12

Enabling Distribution 45-12
Locking the Fabric 45-13
Committing the Changes 45-13
Discarding the Changes 45-13
Activation and Auto-Learning Configuration Distribution 45-13

Contents

CHAPTER

Database Merge Guidelines 45-14

Database Interaction 45-15

Database Scenarios 45-15
Copying the Port Security Database 45-17
Deleting the Port Security Database 45-18
Clearing the Port Security Database 45-18

Displaying Port Security Configuration 45-19

Default Settings 45-19

46 Configuring Fabric Binding 46-1

Information About Fabric Binding 46-1

Licensing Requirements 46-1
Port Security Versus Fabric Binding 46-2
Fabric Binding Enforcement 46-2

Configuring Fabric Binding 46-3

Configuring Fabric Binding 46-3
Enabling Fabric Binding 46-3
About Switch WWN Lists 46-4
Configuring Switch WWN List 46-4

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About Fabric Binding Activation and Deactivation 46-4
Activating Fabric Binding 46-5
Forcing Fabric Binding Activation 46-5
Copying Fabric Binding Configurations 46-5
Clearing the Fabric Binding Statistics 46-6
Deleting the Fabric Binding Database 46-6

Verifying Fabric Binding Information 46-6

Default Settings 46-7

CHAPTER

CHAPTER

47 Configuring Fabric Configuration Servers 47-1

Information About FCS 47-1

FCS Characteristics 47-2

FCS Name Specification 47-2

Displaying FCS Information 47-3

Default Settings 47-4

48 Configuring Port Tracking 48-1

Information About Port Tracking 48-1

Configuring Port Tracking 48-2

Enabling Port Tracking 48-3
About Configuring Linked Ports 48-3
Operationally Binding a Tracked Port 48-3
About Tracking Multiple Ports 48-4
Tracking Multiple Ports 48-5
About Monitoring Ports in a VSAN 48-5
Monitoring Ports in a VSAN 48-5
About Forceful Shutdown 48-6
Forcefully Shutting Down a Tracked Port 48-6

Displaying Port Tracking Information 48-6

Default Port Tracking Settings 48-7

Troubleshooting

CHAPTER

49 Configuring SPAN 49-1

SPAN Sources 49-1

Characteristics of Source Ports 49-1

SPAN Destinations 49-2

Characteristics of Destination Ports 49-2

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