Cisco WS-SUP32-GE-3B - Supervisor Engine 32 Manual de usuario

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Catalyst Supervisor Engine 32 PISA

Cisco IOS Software Configuration Guide

Release 12.2(18)ZY and Later Releases

Text Part Number: OL-11439-03

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STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT

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

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Catalyst Supervisor Engine 32 PISA Cisco IOS Software Configuration Guide, Release 12.2ZY

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Catalyst Supervisor Engine 32 PISA Cisco IOS Software Configuration Guide, Release 12.2ZY

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CONTENTS

Preface xxix

Audience 1-xxix

Related Documentation 1-xxix

Conventions 1-xxx

1-xxxi

Product Overview 1-1

Supported Hardware and Software 1-1

User Interfaces 1-1

Configuring Embedded CiscoView Support 1-2

Understanding Embedded CiscoView 1-2

Installing and Configuring Embedded CiscoView 1-2

Displaying Embedded CiscoView Information 1-3

Software Features Supported in Hardware by the PFC3B 1-3

Command-Line Interfaces 2-1

Accessing the CLI 2-1

Accessing the CLI through the EIA/TIA-232 Console Interface 2-2

Accessing the CLI through Telnet 2-2

Performing Command Line Processing 2-3

Performing History Substitution 2-3

Cisco IOS Command Modes 2-4

Displaying a List of Cisco IOS Commands and Syntax 2-5

Securing the CLI 2-6

ROM-Monitor Command-Line Interface 2-7

Configuring the Switch for the First Time 3-1

Default Configuration 3-1

Configuring the Switch 3-2

Using the Setup Facility or the setup Command 3-2

Using Configuration Mode 3-10

Checking the Running Configuration Before Saving 3-10

Saving the Running Configuration Settings 3-11

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Reviewing the Configuration 3-11

Configuring a Static Route 3-11

Configuring a BOOTP Server 3-13

Protecting Access to Privileged EXEC Commands 3-14

Setting or Changing a Static Enable Password 3-14

Using the enable password and enable secret Commands 3-15

Setting or Changing a Line Password 3-15

Setting TACACS+ Password Protection for Privileged EXEC Mode 3-16

Encrypting Passwords 3-16

Configuring Multiple Privilege Levels 3-17

Recovering a Lost Enable Password 3-18

Modifying the Supervisor Engine Startup Configuration 3-19

Understanding the Supervisor Engine Boot Configuration 3-19

Configuring the Software Configuration Register 3-20

Specifying the Startup System Image 3-23

Understanding Flash Memory 3-24

CONFIG_FILE Environment Variable 3-25

Controlling Environment Variables 3-25

Configuring a Supervisor Engine 32 PISA 4-1

Flash Memory on a Supervisor Engine 32 PISA 4-2

Supervisor Engine 32 PISA Ports 4-2

Supervisor Engine 32 PISA Management Ports 4-2

Supervisor Engine 32 PISA Data Ports 4-2

Configuring Full PISA EtherChannel Bandwidth 4-3

Displaying PISA Platform Statistics 4-4

Configuring NSF with SSO Supervisor Engine Redundancy 5-1

Understanding NSF with SSO Supervisor Engine Redundancy 5-1

NSF with SSO Supervisor Engine Redundancy Overview 5-2

SSO Operation 5-2

NSF Operation 5-2

Cisco Express Forwarding 5-3

Multicast MLS NSF with SSO 5-3

Routing Protocols 5-4

NSF Benefits and Restrictions 5-7

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Supervisor Engine Configuration Synchronization 5-9

Supervisor Engine Redundancy Guidelines and Restrictions 5-9

Redundancy Configuration Guidelines and Restrictions 5-9

Hardware Configuration Guidelines and Restrictions 5-9

Configuration Mode Restrictions 5-10

NSF Configuration Tasks 5-10

Configuring SSO 5-11

Configuring Multicast MLS NSF with SSO 5-11

Verifying Multicast NSF with SSO 5-12

Configuring CEF NSF 5-12

Verifying CEF NSF 5-12

Configuring BGP NSF 5-13

Verifying BGP NSF 5-13

Configuring OSPF NSF 5-14

Verifying OSPF NSF 5-14

Configuring IS-IS NSF 5-15

Verifying IS-IS NSF 5-16

Configuring EIGRP NSF 5-18

Verifying EIGRP NSF 5-18

Synchronizing the Supervisor Engine Configurations 5-19

Copying Files to the Redundant Supervisor Engine 5-19

Configuring RPR Supervisor Engine Redundancy 6-1

Understanding RPR 6-1

Supervisor Engine Redundancy Overview 6-2

RPR Operation 6-2

Supervisor Engine Configuration Synchronization 6-3

Supervisor Engine Redundancy Guidelines and Restrictions 6-3

Redundancy Guidelines and Restrictions 6-3

Hardware Configuration Guidelines and Restrictions 6-3

Configuration Mode Restrictions 6-4

Configuring Supervisor Engine Redundancy 6-4

Configuring Redundancy 6-4

Synchronizing the Supervisor Engine Configurations 6-5

Displaying the Redundancy States 6-5

Performing a Fast Software Upgrade 6-6

Copying Files to the Redundant Supervisor Engine 6-7

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Configuring Interfaces 7-1

Understanding Interface Configuration 7-2

Using the Interface Command 7-2

Configuring a Range of Interfaces 7-4

Defining and Using Interface-Range Macros 7-5

Configuring Optional Interface Features 7-6

Configuring Ethernet Interface Speed and Duplex Mode 7-7

Configuring Jumbo Frame Support 7-10

Configuring IEEE 802.3x Flow Control 7-13

Configuring the Port Debounce Timer 7-14

Adding a Description for an Interface 7-15

Understanding Online Insertion and Removal 7-16

Monitoring and Maintaining Interfaces 7-16

Monitoring Interface Status 7-17

Clearing Counters on an Interface 7-17

Resetting an Interface 7-18

Shutting Down and Restarting an Interface 7-18

Checking the Cable Status Using the TDR 7-19

Configuring LAN Ports for Layer 2 Switching 8-1

Understanding How Layer 2 Switching Works 8-1

Understanding Layer 2 Ethernet Switching 8-1

Understanding VLAN Trunks 8-2

Layer 2 LAN Port Modes 8-4

Default Layer 2 LAN Interface Configuration 8-5

Layer 2 LAN Interface Configuration Guidelines and Restrictions 8-5

Configuring LAN Interfaces for Layer 2 Switching 8-6

Configuring a LAN Port for Layer 2 Switching 8-7

Configuring a Layer 2 Switching Port as a Trunk 8-8

Configuring a LAN Interface as a Layer 2 Access Port 8-14

Configuring a Custom IEEE 802.1Q EtherType Field Value 8-15

Configuring Flex Links 9-1

Understanding Flex Links 9-1

Configuring Flex Links 9-2

Flex Links Default Configuration 9-2

Flex Links Configuration Guidelines and Restrictions 9-2

Contents

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Configuring Flex Links 9-3

Monitoring Flex Links 9-3

Configuring EtherChannels 10-1

Understanding How EtherChannels Work 10-1

EtherChannel Feature Overview 10-1

Understanding How EtherChannels Are Configured 10-2

Understanding Port Channel Interfaces 10-4

Understanding Load Balancing 10-4

EtherChannel Feature Configuration Guidelines and Restrictions 10-5

Configuring EtherChannels 10-6

Configuring Port Channel Logical Interfaces for Layer 3 EtherChannels 10-6

Configuring Channel Groups 10-7

Configuring the LACP System Priority and System ID 10-10

Configuring EtherChannel Load Balancing 10-10

Configuring the EtherChannel Min-Links Feature 10-11

Configuring VTP 11-1

Understanding How VTP Works 11-1

Understanding the VTP Domain 11-2

Understanding VTP Modes 11-2

Understanding VTP Advertisements 11-3

Understanding VTP Version 2 11-3

Understanding VTP Pruning 11-3

VTP Default Configuration 11-5

VTP Configuration Guidelines and Restrictions 11-5

Configuring VTP 11-6

Configuring VTP Global Parameters 11-6

Configuring the VTP Mode 11-8

Displaying VTP Statistics 11-10

Configuring VLANs 12-1

Understanding How VLANs Work 12-1

VLAN Overview 12-1

VLAN Ranges 12-2

Configurable VLAN Parameters 12-3

Understanding Token Ring VLANs 12-3

VLAN Default Configuration 12-6

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VLAN Configuration Guidelines and Restrictions 12-8

Configuring VLANs 12-9

VLAN Configuration Options 12-9

Creating or Modifying an Ethernet VLAN 12-10

Assigning a Layer 2 LAN Interface to a VLAN 12-11

Configuring the Internal VLAN Allocation Policy 12-12

Configuring VLAN Translation 12-12

Mapping 802.1Q VLANs to ISL VLANs 12-15

Saving VLAN Information 12-16

Configuring Private VLANs 13-1

Understanding How Private VLANs Work 13-1

Private VLAN Domains 13-2

Private VLAN Ports 13-3

Primary, Isolated, and Community VLANs 13-3

Private VLAN Port Isolation 13-4

IP Addressing Scheme with Private VLANs 13-4

Private VLANs Across Multiple Switches 13-5

Private VLAN Interaction with Other Features 13-5

Private VLAN Configuration Guidelines and Restrictions 13-6

Secondary and Primary VLAN Configuration 13-7

Private VLAN Port Configuration 13-9

Limitations with Other Features 13-9

Configuring Private VLANs 13-11

Configuring a VLAN as a Private VLAN 13-11

Associating Secondary VLANs with a Primary VLAN 13-12

Mapping Secondary VLANs to the Layer 3 VLAN Interface of a Primary VLAN 13-13

Configuring a Layer 2 Interface as a Private VLAN Host Port 13-14

Configuring a Layer 2 Interface as a Private VLAN Promiscuous Port 13-15

Monitoring Private VLANs 13-17

Configuring Cisco IP Phone Support 14-1

Understanding Cisco IP Phone Support 14-1

Cisco IP Phone Connections 14-1

Cisco IP Phone Voice Traffic 14-2

Cisco IP Phone Data Traffic 14-3

Cisco IP Phone Power Configurations 14-3

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Default Cisco IP Phone Support Configuration 14-5

Cisco IP Phone Support Configuration Guidelines and Restrictions 14-6

Configuring Cisco IP Phone Support 14-6

Configuring Voice Traffic Support 14-7

Configuring Data Traffic Support 14-8

Configuring Inline Power Support 14-9

Configuring IEEE 802.1Q Tunneling 15-1

Understanding How 802.1Q Tunneling Works 15-1

802.1Q Tunneling Configuration Guidelines and Restrictions 15-3

Configuring 802.1Q Tunneling 15-6

Configuring 802.1Q Tunnel Ports 15-6

Configuring the Switch to Tag Native VLAN Traffic 15-6

Configuring Layer 2 Protocol Tunneling 16-1

Understanding How Layer 2 Protocol Tunneling Works 16-1

Configuring Support for Layer 2 Protocol Tunneling 16-2

Configuring STP and MST 17-1

Understanding How STP Works 17-1

STP Overview 17-2

Understanding the Bridge ID 17-2

Understanding Bridge Protocol Data Units 17-3

Election of the Root Bridge 17-4

STP Protocol Timers 17-4

Creating the Spanning Tree Topology 17-4

STP Port States 17-5

STP and IEEE 802.1Q Trunks 17-11

Understanding How IEEE 802.1w RSTP Works 17-12

Port Roles and the Active Topology 17-12

Rapid Convergence 17-13

Synchronization of Port Roles 17-14

Bridge Protocol Data Unit Format and Processing 17-15

Topology Changes 17-17

Rapid-PVST 17-17

Understanding MST 17-17

MST Overview 17-18

MST Regions 17-18

Contents

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IST, CIST, and CST 17-19

Hop Count 17-22

Boundary Ports 17-22

Standard-Compliant MST Implementation 17-23

Interoperability with IEEE 802.1D-1998 STP 17-25

Configuring STP 17-25

Default STP Configuration 17-26

Enabling STP 17-26

Enabling the Extended System ID 17-28

Configuring the Root Bridge 17-28

Configuring a Secondary Root Bridge 17-29

Configuring STP Port Priority 17-30

Configuring STP Port Cost 17-32

Configuring the Bridge Priority of a VLAN 17-33

Configuring the Hello Time 17-34

Configuring the Forward-Delay Time for a VLAN 17-35

Configuring the Maximum Aging Time for a VLAN 17-35

Enabling Rapid-PVST 17-36

Configuring MST 17-37

Default MST Configuration 17-37

MST Configuration Guidelines and Restrictions 17-38

Specifying the MST Region Configuration and Enabling MST 17-38

Configuring the Root Bridge 17-40

Configuring a Secondary Root Bridge 17-41

Configuring Port Priority 17-42

Configuring Path Cost 17-43

Configuring the Switch Priority 17-44

Configuring the Hello Time 17-45

Configuring the Forwarding-Delay Time 17-46

Configuring the Transmit Hold Count 17-46

Configuring the Maximum-Aging Time 17-47

Configuring the Maximum-Hop Count 17-47

Specifying the Link Type to Ensure Rapid Transitions 17-47

Designating the Neighbor Type 17-48

Restarting the Protocol Migration Process 17-49

Displaying the MST Configuration and Status 17-49

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