Cisco ASR 5000 Instruction Manual

ASR 5000 System Administration Guide, StarOS Release 21.1
First Published: 2017-01-26
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CONTENTS
Preface About this Guide xxvii
Conventions Used xxvii
Related Documentation xxviii
Contacting Customer Support xxviii
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
Trusted Builds 6
How the System Selects Contexts 6
Context Selection for Context-level Administrative User Sessions 7
Context Selection for Subscriber Sessions 9
Understanding the ASR 5000 Boot Process 9
Understanding Configuration Files 11
IP Address Notation 12
IPv4 Dotted-Decimal Notation 13
IPv6 Colon-Separated-Hexadecimal Notation 13
CIDR Notation 13
Alphanumeric Strings 14
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Character Set 14
Quoted Strings 15
CHAPTER 2 Getting Started 17
ASR 5000 Configuration 17
Using the ASR 5000 Quick Setup Wizard 17
The Quick Setup Wizard 18
Using the CLI for Initial Configuration 22
Configuring the System for Remote Access 24
Configuring SSH Options 27
SSH Keys 27
Setting SSH Key Size 27
Configuring SSH Key Generation Wait Time 28
Specifying SSH Encryption Ciphers 28
Generating SSH Keys 29
Setting SSH Key Pair 29
Authorized SSH User Access 30
Authorizing SSH User Access 30
SSH User Login Restrictions 30
Creating an Allowed Users List 31
SSH User Login Authentication 31
Secure Session Logout 32
Changing Default sshd Secure Session Logout Parameters 33
SSH Client Login to External Servers 33
Generating SSH Client Key Pair 33
Pushing an SSH Client Public Key to an External Server 34
Configuring the Management Interface with a Second IP Address 35
CHAPTER 3 System Settings 37
Configuring a Second Management Interface 38
Verifying and Saving Your Interface and Port Configuration 38
Configuring System Timing 39
Setting the System Clock and Time Zone 39
Verifying and Saving Your Clock and Time Zone Configuration 40
Configuring Network Time Protocol Support 40
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Configuring NTP Servers with Local Sources 41
Using a Load Balancer 41
Verifying the NTP Configuration 42
Configuring Transmit Timing Source 43
Configure BITS as the Timing Source 43
Configure Line-timing as the Timing Source 44
Configure Both BITS and Line as Timing Sources 44
Confirming the Timing Source 44
Enabling CLI Timestamping 45
Configuring CLI Confirmation Prompts 45
Enabling Automatic Confirmation 45
Requiring Confirmation for autoconfirm and configure Commands 46
Requiring Confirmation for Specific Exec Mode Commands 46
Configuring System Administrative Users 47
Configuring Context-level Administrative Users 48
Configuring Context-level Security Administrators 48
Configuring Context-level Administrators 48
Configuring Context-level Operators 49
Configuring Context-level Inspectors 49
Configuring LI Administrators 50
Verifying Context-level Administrative User Configuration 50
Configuring Local-User Administrative Users 50
Verifying Local-User Configuration 51
Updating Local-User Database 51
Updating and Downgrading the local-user Database 51
Provisioning Lawful Intercept 52
Restricting User Access to a Specified Root Directory 53
Configuring an SFTP root Directory 54
Associating an SFTP root Directory with a Local User 54
Associating an SFTP root Directory with an Administrator 54
Associating an SFTP root Directory with a Config Administrator 54
Configuring TACACS+ for System Administrative Users 54
Operation 55
User Account Requirements 55
TACACS+ User Account Requirements 55
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StarOS User Account Requirements 56
Configuring TACACS+ AAA Services 56
Configuring TACACS+ for Non-local VPN Authentication 57
Verifying the TACACS+ Configuration 57
Separating Authentication Methods 58
Disable TACACS+ Authentication for Console 59
Disable AAA-based Authentication for Console 59
Disable TACACS+ Authentication at the Context Level 59
Limit local-user Login on Console/vty Lines 60
Limit Console Access for AAA-based Users 60
Verify Configuration Changes 61
Configuring a Chassis Key 61
Overview 61
Configuring a New Chassis Key Value 62
CLI Commands 62
Quick Setup Wizard 63
Configuring Virtual MAC Addresses 63
Verifying Virtual MAC Address Configuration 64
Configuring Packet Processing and Line Card Availability 64
Verifying Packet Processing and Line Card Configurations 65
Configuring Line Card and SPIO Port Redundancy 65
Enabling Line Card and SPIO Port Redundancy 68
Verifying Line Card and SPIO Port Redundancy 69
Configuring Line Card and SPIO Port Redundancy Auto-Recovery 69
Verifying Line Card and SPIO Port Redundancy Auto-Recovery 70
Configuring ASR 5000 Link Aggregation 70
LAG and Master Port 71
LAG and Port Redundancy 71
LAG and Multiple Switches 71
Multiple Switches without L2 Redundancy 71
Multiple Switches with L2 Redundancy 72
Port States for Auto-Switch 73
Hold Time 73
Preferred Slot 73
Auto-Switch Criteria 73
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Distribution Option 74
show Commands 74
Suppressing SPOF Alarm for XGLC 74
QGLC Link Aggregation 75
Requirements 75
Operation 75
XGLC Link Aggregation 76
Link Aggregation Control 76
Redundancy Options 78
Distribution Option 78
Toggle Link 78
Horizontal Link Aggregation with Two Ethernet Switches 78
Link Aggregation Status 79
Configuring a Demux Card 79
Overview 79
Configuration 79
Configuring Flow Control on XGLCs 79
CHAPTER 4 Config Mode Lock Mechanisms 81
Overview of Config Mode Locking 81
Requesting an Exclusive-Lock 82
Effect of Config Lock on URL Scripts 83
Saving a Configuration File 84
Reload and Shutdown Commands 84
show administrators Command 85
CHAPTER 5 Management Settings 87
ORBEM 87
Configuring ORBEM Client and Port Parameters 88
Configuring IIOP Transport Parameters 88
Verifying ORBEM Parameters 89
SNMP MIB Browser 89
SNMP Support 92
Configuring SNMP and Alarm Server Parameters 92
Verifying SNMP Parameters 93
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Controlling SNMP Trap Generation 94
CHAPTER 6 Verifying and Saving Your Configuration 95
Verifying the Configuration 95
Feature Configuration 95
Service Configuration 96
Context Configuration 96
System Configuration 96
Finding Configuration Errors 96
Synchronizing File Systems 97
Saving the Configuration 97
CHAPTER 7 System Interfaces and Ports 99
Contexts 99
Creating Contexts 99
Viewing and Verifying Contexts 100
Ethernet Interfaces and Ports 100
Creating an Interface 101
Configuring a Port and Binding It to an Interface 101
Configuring a Static Route for an Interface 102
Viewing and Verifying Port Configuration 102
ATM Interfaces and Ports 103
Enabling the OLC (ATM) Line Card 104
Creating an IP Interface for Use with an ATM Port 104
Configuring an ATM Port to Use an IP Interface 104
Configuring an ATM Port for an SS7 Link 105
Binding an SS7 Link to an ATM Port 105
Verifying Port and Interface Configuration 105
Frame Relay Interfaces and Ports 106
Setting the Characteristics of the Channelized Line Card 107
Configuring the Channel Characteristics 107
Binding a DLCI 107
Verifying the Frame Relay Interface Configuration and Status 108
Display Port and DLCI Configuration Details 108
Display Port and DLCI Configuration and Status 108
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CHAPTER 8 System Security 111
Per-Chassis Key Identifier 111
Chassis Synchronization 112
Protection of Passwords 112
Secure Password Encryption 113
Support for Non-Current Encryptions and Decryptions 113
Support for ICSR Configurations 114
Encrypted SNMP Community Strings 114
Lawful Intercept Restrictions 114
LI Server Addresses 114
Modifying Intercepts 115
Adding, Modifying and Removing Users 115
Notification of Users Being Added or Deleted 115
Notification of Changes in Privilege Levels 115
User Access to Operating System Shell 116
Test-Commands 116
Enabling cli test-commands Mode 116
Enabling Password for Access to CLI-test commands 116
Exec Mode cli test-commands 117
Configuration Mode cli test-commands 117
CHAPTER 9 Software Management Operations 119
Understanding the Local File System 119
File Types Used by the Local File System 120
Understanding the boot.sys File 120
Maintaining the Local File System 121
File System Management Commands 121
Synchronizing the File System 121
Creating Directories 121
Renaming Files and Directories 121
Copying Files 122
Deleting Files 122
Removing Directories 122
Formatting Local Devices 123
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Applying Pre-existing CLI Configuration Files 123
Viewing Files on the Local File System 123
Viewing the Contents of a Local Device 124
Viewing CLI Configuration and boot.sys Files 124
Validating an Operating System File 124
Configuring the Boot Stack 125
System Boot Methods 125
Viewing the Current Boot Stack 125
Adding a New Boot Stack Entry 127
Deleting a Boot Stack Entry 127
Network Booting Configuration Requirements 127
Configuring the Boot Interface 127
Configuring the Boot Network 128
Configuring Boot Network Delay Time 129
Configuring a Boot Nameserver 129
Upgrading the Operating System Software 129
Identifying OS Release Version and Build Number 130
Verify Free Space on the /flash Device 130
Download the Software Image from the Support Site 131
Transfer StarOS Image to /flash on the Chassis 131
Saving a Copy of the Current Configuration File 131
Preparing for a Software Downgrade 132
Downgrading from Release 12.2 to 12.0 132
Downgrading from Release 15.0 to 14.0 132
Downgrading from Release 20.0 133
Software Upgrade Methods 133
On-Line Software Upgrade 134
System Requirements to Support the On-line Software Upgrade Method 134
CLI Verification and System Preparation 134
Stage 1 - Soft Busy-out 135
Stage 2 - Stand-alone Operation 135
Stage 3 - Management Card Upgrade 136
Stage 4 - Reboot All Packet Processing Cards 136
Stage 5 - Return System to Normal Operation 137
Performing an On-line Software Upgrade 137
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