Cisco Catalyst 2960 Series Manual de usuario

Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E

(Catalyst 2960-X Switches)

First Published: 2015-09-21

Last Modified: 2016-06-30

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CONTENTS

Preface

Preface lxxix

Document Conventions lxxix

Related Documentation lxxxi

Obtaining Documentation and Submitting a Service Request lxxxi

CHAPTER 1

Using the Command-Line Interface 1

Information About Using the Command-Line Interface 1

Command Modes 1

Understanding Abbreviated Commands 3

No and Default Forms of Commands 3

CLI Error Messages 4

Configuration Logging 4

Using the Help System 4

How to Use the CLI to Configure Features 6

Configuring the Command History 6

Changing the Command History Buffer Size 6

Recalling Commands 6

Disabling the Command History Feature 7

Enabling and Disabling Editing Features 7

Editing Commands Through Keystrokes 8

Editing Command Lines That Wrap 9

Searching and Filtering Output of show and more Commands 10

Accessing the CLI on a Switch Stack 11

Accessing the CLI Through a Console Connection or Through Telnet 11

PART I

Interface and Hardware 13

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CHAPTER 2

Configuring Interface Characteristics 15

Finding Feature Information 15

Information About Configuring Interface Characteristics 15

Interface Types 15

Port-Based VLANs 16

Switch Ports 16

Access Ports 16

Trunk Ports 17

Switch Virtual Interfaces 17

SVI Autostate Exclude 17

EtherChannel Port Groups 18

Power over Ethernet Ports 18

Using the Switch USB Ports 18

USB Mini-Type B Console Port 19

Console Port Change Logs 19

USB Type A Ports 19

Interface Connections 20

Interface Configuration Mode 20

Default Ethernet Interface Configuration 21

Interface Speed and Duplex Mode 22

Speed and Duplex Configuration Guidelines 23

IEEE 802.3x Flow Control 23

How to Configure Interface Characteristics 24

Configuring Interfaces 24

Adding a Description for an Interface 25

Configuring a Range of Interfaces 26

Configuring and Using Interface Range Macros 28

Configuring Ethernet Interfaces 29

Setting the Interface Speed and Duplex Parameters 29

Configuring IEEE 802.3x Flow Control 31

Configuring SVI Autostate Exclude 32

Shutting Down and Restarting the Interface 34

Configuring the Console Media Type 35

Configuring the USB Inactivity Timeout 36

Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)

Contents

Monitoring Interface Characteristics 38

Monitoring Interface Status 38

Clearing and Resetting Interfaces and Counters 39

Configuration Examples for Interface Characteristics 39

Adding a Description to an Interface: Example 39

Configuring a Range of Interfaces: Examples 39

Configuring and Using Interface Range Macros: Examples 40

Setting Interface Speed and Duplex Mode: Example 40

Configuring the Console Media Type: Example 41

Configuring the USB Inactivity Timeout: Example 41

Additional References for the Interface Characteristics Feature 42

Feature History and Information for Configuring Interface Characteristics 43

CHAPTER 3

Configuring Auto-MDIX 45

Prerequisites for Auto-MDIX 45

Restrictions for Auto-MDIX 45

Information about Configuring Auto-MDIX 45

Auto-MDIX on an Interface 45

How to Configure Auto-MDIX 46

Configuring Auto-MDIX on an Interface 46

Example for Configuring Auto-MDIX 47

Additional References 48

Feature History and Information for Auto-MDIX 48

CHAPTER 4

Configuring Ethernet Management Port 51

Finding Feature Information 51

Prerequisites for Ethernet Management Ports 51

Information about the Ethernet Management Port 51

Ethernet Management Port Direct Connection to a Switch 52

Ethernet Management Port Connection to Stack Switches using a Hub 52

Supported Features on the Ethernet Management Port 52

How to Configure the Ethernet Management Port 53

Disabling and Enabling the Ethernet Management Port 53

Additional References 54

Feature Information for Ethernet Management Ports 55

Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)

Contents

CHAPTER 5

Configuring LLDP, LLDP-MED, and Wired Location Service 57

Finding Feature Information 57

LLDP, LLDP-MED, and Wired Location Service Overview 57

LLDP 57

LLDP Supported TLVs 58

LLDP and Cisco Switch Stacks 58

LLDP and Cisco Medianet 58

LLDP-MED 58

LLDP-MED Supported TLVs 58

Wired Location Service 60

Default LLDP Configuration 61

Restrictions for LLDP 61

How to Configure LLDP, LLDP-MED, and Wired Location Service 62

Enabling LLDP 62

Configuring LLDP Characteristics 63

Configuring LLDP-MED TLVs 65

Configuring Network-Policy TLV 67

Configuring Location TLV and Wired Location Service 70

Enabling Wired Location Service on the Switch 72

Configuration Examples for LLDP, LLDP-MED, and Wired Location Service 74

Configuring Network-Policy TLV: Examples 74

Monitoring and Maintaining LLDP, LLDP-MED, and Wired Location Service 74

Additional References for LLDP, LLDP-MED, and Wired Location Service 75

Feature Information for LLDP, LLDP-MED, and Wired Location Service 76

CHAPTER 6

Configuring System MTU 77

Finding Feature Information 77

Information about the MTU 77

System MTU Guidelines 78

How to Configure MTU 78

Configuring the System MTU 78

Configuration Examples for System MTU 79

Additional References for System MTU 80

Feature Information for System MTU 80

Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)

Contents

CHAPTER 7

Configuring Boot Fast 81

Finding Feature Information 81

Configuring Boot Fast on the switch 81

Enabling Boot Fast 81

Disabling Boot Fast 82

CHAPTER 8

Configuring PoE 85

Finding Feature Information 85

Restrictions for PoE 85

Information about PoE 86

Power over Ethernet Ports 86

Supported Protocols and Standards 86

Powered-Device Detection and Initial Power Allocation 86

Power Management Modes 88

Power Monitoring and Power Policing 89

Maximum Power Allocation (Cutoff Power) on a PoE Port 89

Power Consumption Values 90

How to Configure PoE 91

Configuring a Power Management Mode on a PoE Port 91

Fast POE 92

Configuring Fast POE 93

Budgeting Power for Devices Connected to a PoE Port 94

Budgeting Power to All PoE ports 95

Budgeting Power to a Specific PoE Port 96

Configuring Power Policing 97

Monitoring Power Status 100

Configuration Examples for Configuring PoE 100

Budgeting Power: Example 100

Additional References 101

CHAPTER 9

Configuring 2-event Classification 103

Finding Feature Information 103

Information about 2-event Classification 103

Configuring 2-event Classification 103

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Contents

Example: Configuring 2-Event Classification 105

CHAPTER 10

Configuring EEE 107

Finding Feature Information 107

Information About EEE 107

EEE Overview 107

Default EEE Configuration 108

Restrictions for EEE 108

How to Configure EEE 108

Enabling or Disabling EEE 108

Monitoring EEE 109

Configuration Examples for Configuring EEE 110

Additional References 110

Feature History and Information for Configuring EEE 111

PART II

IP Multicast Routing 113

CHAPTER 11

Configuring IGMP Snooping and Multicast VLAN Registration 115

Finding Feature Information 115

Prerequisites for Configuring IGMP Snooping and MVR 115

Prerequisites for IGMP Snooping 115

Prerequisites for MVR 116

Restrictions for Configuring IGMP Snooping and MVR 116

Restrictions for IGMP Snooping 116

Restrictions for MVR 117

Information About IGMP Snooping and MVR 118

IGMP Snooping 118

IGMP Versions 119

Joining a Multicast Group 119

Leaving a Multicast Group 121

Immediate Leave 121

IGMP Configurable-Leave Timer 121

IGMP Report Suppression 122

IGMP Snooping and Switch Stacks 122

Default IGMP Snooping Configuration 122

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Contents

Multicast VLAN Registration 123

MVR and IGMP 123

Modes of Operation 123

MVR and Switch Stacks 124

MVR in a Multicast Television Application 124

Default MVR Configuration 126

IGMP Filtering and Throttling 126

Default IGMP Filtering and Throttling Configuration 127

How to Configure IGMP Snooping and MVR 128

Enabling or Disabling IGMP Snooping on a Switch 128

Enabling or Disabling IGMP Snooping on a VLAN Interface 129

Setting the Snooping Method 130

Configuring a Multicast Router Port 132

Configuring a Host Statically to Join a Group 133

Enabling IGMP Immediate Leave 135

Configuring the IGMP Leave Timer 137

Configuring TCN-Related Commands 138

Controlling the Multicast Flooding Time After a TCN Event 138

Recovering from Flood Mode 139

Disabling Multicast Flooding During a TCN Event 141

Configuring the IGMP Snooping Querier 142

Disabling IGMP Report Suppression 145

Configuring MVR Global Parameters 146

Configuring MVR Interfaces 149

Configuring IGMP Profiles 151

Applying IGMP Profiles 154

Setting the Maximum Number of IGMP Groups 155

Configuring the IGMP Throttling Action 157

Monitoring IGMP Snooping and MVR 159

Monitoring IGMP Snooping Information 159

Monitoring MVR 160

Monitoring IGMP Filtering and Throttling Configuration 161

Configuration Examples for IGMP Snooping and MVR 161

Example: Configuring IGMP Snooping Using CGMP Packets 161

Example: Enabling a Static Connection to a Multicast Router 161

Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)

Contents

Example: Configuring a Host Statically to Join a Group 162

Example: Enabling IGMP Immediate Leave 162

Example: Setting the IGMP Snooping Querier Source Address 162

Example: Setting the IGMP Snooping Querier Maximum Response Time 162

Example: Setting the IGMP Snooping Querier Timeout 163

Example: Setting the IGMP Snooping Querier Feature 163

Example: Configuring IGMP Profiles 163

Example: Applying IGMP Profile 163

Example: Setting the Maximum Number of IGMP Groups 163

Example: Configuring MVR Global Parameters 164

Example: Configuring MVR Interfaces 164

Additional References 164

Feature History and Information for IGMP Snooping 165

PART III

IPv6 167

CHAPTER 12

Configuring MLD Snooping 169

Finding Feature Information 169

Information About Configuring IPv6 MLD Snooping 169

Understanding MLD Snooping 170

MLD Messages 170

MLD Queries 171

Multicast Client Aging Robustness 171

Multicast Router Discovery 171

MLD Reports 172

MLD Done Messages and Immediate-Leave 172

Topology Change Notification Processing 172

MLD Snooping in Switch Stacks 173

How to Configure IPv6 MLD Snooping 173

Default MLD Snooping Configuration 173

MLD Snooping Configuration Guidelines 174

Enabling or Disabling MLD Snooping on the Switch (CLI) 174

Enabling or Disabling MLD Snooping on a VLAN (CLI) 175

Configuring a Static Multicast Group (CLI) 176

Configuring a Multicast Router Port (CLI) 177

Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)

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