Cisco ASR 5500 Manuale di istruzioni

ASR 5500 System Administration Guide, StarOS Release 19

First Published: September 30, 2015

Last Modified: June 30, 2016

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CONTENTS

Preface

About this Guide xxv

Conventions Used xxv

Related Documentation xxvi

MIOs and DPCs xxvi

Contacting Customer Support xxvii

CHAPTER 1

System Operation and Configuration 1

System Management Overview 1

Terminology 3

Contexts 3

Ports 3

Logical Interfaces 3

Management Interface 4

Bindings 4

Services 4

AAA Servers 5

Subscribers 5

How the System Selects Contexts 6

Context Selection for Context-level Administrative User Sessions 6

Context Selection for Subscriber Sessions 8

Understanding the ASR 5500 Boot Process 8

Understanding Configuration Files 10

IP Address Notation 11

IPv4 Dotted-Decimal Notation 11

IPv6 Colon-Separated-Hexadecimal Notation 12

CIDR Notation 12

Alphanumeric Strings 13

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Character Set 13

Quoted Strings 14

CHAPTER 2

Getting Started 15

ASR 5500 Configuration 15

Using the ASR 5500 Quick Setup Wizard 15

Using the CLI for Initial Configuration 21

Configuring the System for Remote Access 23

Configuring SSH Options 25

SSH Keys 25

Setting SSH Key Size 26

Specifying SSH Encryption Ciphers 26

Generating SSH Keys 27

Setting SSH Key Pair 27

Authorized SSH User Access 28

Authorizing SSH User Access 28

SSH User Login Authentication 28

Configuring the Management Interface with a Second IP Address 29

CHAPTER 3

System Settings 31

Configuring a Second Management Interface 31

Verifying and Saving Your Interface and Port Configuration 32

Configuring System Timing 33

Setting the System Clock and Time Zone 33

Verifying and Saving Your Clock and Time Zone Configuration 33

Configuring Network Time Protocol Support 34

Configuring NTP Servers with Local Sources 35

Using a Load Balancer 35

Verifying the NTP Configuration 35

Enabling CLI Timestamping 37

Configuring CLI Confirmation Prompts 37

Enabling Automatic Confirmation 37

Requiring Confirmation for autoconfirm and configure Commands 38

Requiring Confirmation for Specific Exec Mode Commands 38

Configuring System Administrative Users 39

ASR 5500 System Administration Guide, StarOS Release 19

Contents

Configuring Context-level Administrative Users 40

Configuring Context-level Security Administrators 40

Configuring Context-level Administrators 40

Configuring Context-level Operators 41

Configuring Context-level Inspectors 41

Verifying Context-level Administrative User Configuration 41

Configuring Local-User Administrative Users 42

Verifying Local-User Configuration 42

Updating Local-User Database 43

Restricting User Access to a Specified Root Directory 43

Configuring an SFTP root Directory 43

Associating an SFTP root Directory with a Local User 43

Associating an SFTP root Directory with an Administrator 44

Associating an SFTP root Directory with a Config Administrator 44

Configuring TACACS+ for System Administrative Users 44

Operation 44

User Account Requirements 45

TACACS+ User Account Requirements 45

StarOS User Account Requirements 45

Configuring TACACS+ AAA Services 46

Configuring TACACS+ for Non-local VPN Authentication 47

Verifying the TACACS+ Configuration 47

Configuring a Chassis Key 48

Overview 48

Configuring a New Chassis Key Value 48

CLI Commands 48

Quick Setup Wizard 49

Configuring MIO/UMIO Port Redundancy 50

Configuring MIO/UMIO Port Redundancy Auto-Recovery 52

Verifying Port Redundancy Auto-Recovery 53

Configuring Data Processing Card Availability 53

Verifying Card Configurations 54

Enabling Automatic Reset of FSC Fabric 54

Configuring ASR 5500 Link Aggregation 54

LAG and Master Port 55

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Contents

LAG and Port Redundancy 55

LAG and Multiple Switches 55

Multiple Switches with L2 Redundancy 55

Port States for Auto-Switch 56

Hold Time 56

Preferred Slot 56

Auto-Switch Criteria 57

Link Aggregation Control 57

Minimum Links 58

Redundancy Options 59

Horizontal Link Aggregation with Two Ethernet Switches 59

Non-Redundant (Active-Active) LAG 59

Link Aggregation Status 60

Configuring a Demux Card 61

Overview 61

MIO Demux Restrictions 61

Configuration 62

CHAPTER 4

Management Settings 63

ORBEM 63

Configuring ORBEM Client and Port Parameters 64

Configuring IIOP Transport Parameters 64

Verifying ORBEM Parameters 65

SNMP MIB Browser 65

SNMP Support 68

Configuring SNMP and Alarm Server Parameters 68

Verifying SNMP Parameters 69

Controlling SNMP Trap Generation 70

CHAPTER 5

Verifying and Saving Your Configuration 71

Verifying the Configuration 71

Feature Configuration 71

Service Configuration 72

Context Configuration 72

System Configuration 72

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Contents

Finding Configuration Errors 72

Synchronizing File Systems 73

Saving the Configuration 73

CHAPTER 6

System Interfaces and Ports 75

Contexts 75

Creating Contexts 75

Viewing and Verifying Contexts 76

Ethernet Interfaces and Ports 76

Creating an Interface 77

Configuring a Port and Binding It to an Interface 77

Configuring a Static Route for an Interface 77

Viewing and Verifying Port Configuration 78

CHAPTER 7

System Security 81

Per-Chassis Key Identifier 81

MIO Synchronization 82

Protection of Passwords 82

Secure Password Encryption 82

Support for Non-Current Encryptions and Decryptions 83

Support for ICSR Configurations 83

Encrypted SNMP Community Strings 84

Lawful Intercept Restrictions 84

LI Server Addresses 84

Modifying Intercepts 85

Adding, Modifying and Removing Users 85

Notification of Users Being Added or Deleted 85

Notification of Changes in Privilege Levels 85

User Access to Operating System Shell 85

Test-Commands 86

Enabling cli test-commands Mode 86

Enabling Password for Access to CLI-test commands 86

Exec Mode cli test-commands 87

Configuration Mode cli test-commands 87

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Contents

CHAPTER 8

Software Management Operations 89

Understanding the Local File System 89

File Types Used by the Local File System 89

Understanding the boot.sys File 90

Maintaining the Local File System 90

File System Management Commands 90

Synchronizing the File System 91

Creating Directories 91

Renaming Files and Directories 91

Copying Files on the ASR 5500 Chassis 92

Deleting Files 92

Removing Directories 92

Formatting Local Devices 92

Applying Pre-existing CLI Configuration Files 93

Viewing Files on the Local File System 93

Viewing the Contents of a Local Device 93

Viewing CLI Configuration and boot.sys Files 94

Validating an Operating System File 94

Configuring the Boot Stack 95

System Boot Methods 95

Viewing the Current Boot Stack 95

Adding a New Boot Stack Entry 97

Deleting a Boot Stack Entry 97

Network Booting Configuration Requirements 97

Configuring the Boot Interface 97

Configuring the Boot Network 98

Configuring Boot Network Delay Time 99

Configuring a Boot Nameserver 99

Upgrading the Operating System Software 99

Identifying OS Release Version and Build Number 100

Verify Free Space on the /flash Device 100

Download the Software Image from the Support Site 100

Transfer StarOS Image to /flash on the Chassis 101

Saving a Copy of the Current Configuration File 101

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Contents

Downgrading from Release 15.0 to 14.0 101

Off-line Software Upgrade 102

Configure a Newcall Policy 102

Configure a Message of the Day Banner 102

Back up the Current CLI Configuration File 103

Create a New Boot Stack Entry 103

Synchronize File Systems 103

Save the Running Configuration 103

Reboot the Chassis 104

Verify the Running Software Version 104

Restoring the Previous Software Image 104

Upgrading ICSR Chassis 104

Performing Dynamic Software Updates 104

Managing License Keys 105

New System License Keys 105

Session Use and Feature Use Licenses 105

Installing New License Keys 105

Cutting and Pasting the Key 106

Adding License Keys to Configuration Files 106

License Expiration Behavior 107

Requesting License Keys 107

Viewing License Information 108

Deleting a License Key 108

Management Card Replacement and License Keys 108

Managing Local-User Administrative Accounts 108

Configuring Local-User Password Properties 108

Configuring Local-User Account Management Properties 109

Local-User Account Lockouts 109

Local-User Account Suspensions 109

Changing Local-User Passwords 109

CHAPTER 9

Monitoring the System 111

SNMP Notifications 111

Monitoring System Status and Performance 111

Clearing Statistics and Counters 113

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Contents

Monitoring ASR 5500 Hardware Status 113

CHAPTER 10

Bulk Statistics 115

Configuring Communication with the Collection Server 115

Configuring Standard Settings 115

Configuring Optional Settings 116

Configuring Bulk Statistic Schemas 116

Using show bulkstats Commands 116

Verifying Your Configuration 117

Saving Your Configuration 118

Viewing Collected Bulk Statistics Data 118

Manually Gathering and Transferring Bulk Statistics 118

Clearing Bulk Statistics Counters and Information 118

Bulkstats Schema Nomenclature 118

Statistic Types 119

Data Types 119

Bulk Statistics Event Log Messages 119

CHAPTER 11

System Logs 121

System Log Types 121

Configuring Event Logging Parameters 122

Configuring Event Log Filters 122

Exec Mode Filtering 122

Global Configuration Mode Filtering 123

Configuring syslog Servers 124

Configuring Active Logs 124

Specifying Facilities 125

Configuring Trace Logging 134

Configuring Monitor Logs 134

Enabling Monitor Logs 134

Disabling Monitor Logs 134

Viewing Logging Configuration and Statistics 135

Viewing Event Logs Using the CLI 135

Configuring and Viewing Crash Logs 136

Crash Logging Architecture 136

ASR 5500 System Administration Guide, StarOS Release 19

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