Cisco ASR 9000 Series User manual

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Cisco ASR 9000 Series Aggregation
Services Router Getting Started Guide
Cisco IOS XR Software Release 4.3.x
Text Part Number: OL-28417-02

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Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide
Copyright © 2013 Cisco Systems, Inc. All rights reserved.

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CONTENTS
Preface 1ix
Changes to This Document 1ix
About This Document 1ix
Intended Audience 1x
Related Documents 1x
Conventions 1x
Obtaining Documentation and Submitting a Service Request 1xi
Introduction to the Cisco ASR 9000 Series Aggregation Services RouterIOS XR Software 11
Contents 11
Supported Standalone System Configurations 11
Cisco CRS Multishelf System Overview 14
Cisco ASR 9000 Series Router Overview 17
Cisco CRS Router Overview 18
Cisco XR 12000 Series Router Overview 18
Features and Capabilities 18
High Availability 123
Management and Security 124
Manageability 124
Security 125
Cisco ASR 9000 Series SPA Interface Processor-700 126
Initial Router Configuration 127
Management Interfaces 128
Router Management Interfaces 128
Command-Line Interface 128
Extensible Markup Language API 128
Simple Network Management Protocol 129
Selecting and Identifying the Active RSPDesignated Shelf Controller 129
Selecting and Identifying the DSC on Individual Cisco CRS Routers 130
Selecting and Identifying the DSC on Cisco CRS Multishelf Systems 130
Selecting and Identifying the DSC on Cisco ASR 9000 Series Routers 131
Selecting and Identifying the DSC on Cisco XR 12000 and 12000 Series Routers 131
Verifying the DSC 131

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Connecting to the Router Through the Console Port 132
Configuring the Router Data Interfaces 140
Where to Go Next 142
Bringing Up Cisco IOS XR Software on the Router 129
Contents 129
Prerequisites 129
Software Requirements 129
Hardware Prerequisites and Documentation 129
Bringing Up and Configuring a Standalone Router 130
Verifying the System After Initial Boot 131
Firmware Upgrade 135
Where to Go Next 136
Configuring General Router Features 137
Contents 137
Secure Domain Routers 137
Connecting and Communicating with the Router 138
Establishing a Connection Through the Console Port 147
Establishing a Connection Through a Terminal Server 148
Establishing a Connection Through the Management Ethernet Interface 150
Logging In to a Router or an SDR 151
CLI Prompt 152
User Access Privileges 153
User Groups, Task Groups, and Task IDs 153
Predefined User Groups 154
Displaying the User Groups and Task IDs for Your User Account 155
Navigating the Cisco IOS XR Command Modes 157
Identifying the Command Mode in the CLI Prompt 159
Summary of Common Command Modes 160
Entering EXEC Commands from a Configuration Mode 162
Command Mode Navigation Example 164
Managing Configuration Sessions 166
Entering Configuration Changes 167
Displaying the Active Configuration Sessions 169
Starting a Configuration Session 170
Starting an Exclusive Configuration Session 171
Displaying Configuration Details with show Commands 171
Saving the Target Configuration to a File 179

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Loading the Target Configuration from a File 180
Loading an Alternative Configuration at System Startup 180
Clearing All Changes to a Target Configuration 180
Committing Changes to the Running Configuration 181
Reloading a Failed Configuration 183
Exiting a Configuration Submode 183
Returning Directly to Configuration Mode from a Submode 184
Ending a Configuration Session 184
Aborting a Configuration Session 185
Configuring the SDRRSP Hostname 185
Configuring the Management Ethernet Interface 185
Specifying the Management Ethernet Interface Name in CLI Commands 186
Displaying the Available Management Ethernet Interfaces 187
Configuring the Management Ethernet Interface 189
Manually Setting the Router Clock 192
Where to Go Next 194
Configuring Additional Router Features 179
Contents 179
Configuring the Domain Name and Domain Name Server 179
Configuring Telnet, HTTP, and XML Host Services 181
Prerequisites 181
Managing Configuration History and Rollback 185
Displaying the Commit IDs 186
Displaying the Configuration Changes Recorded in a Commit ID 186
Previewing Rollback Configuration Changes 187
Rolling Back the Configuration to a Specific Rollback Point 187
Rolling Back the Configuration over a Specified Number of Commits 188
Loading Commit ID Configuration Changes to the Target Configuration 188
Loading Rollback Configuration Changes to the Target Configuration 189
Deleting Commit IDs 190
Configuring Logging and Logging Correlation 190
Logging Locations and Severity Levels 191
Alarm Logging Correlation 191
Configuring Basic Message Logging 192
Disabling Console Logging 194
Creating and Modifying User Accounts and User Groups 194
Displaying Details About User Accounts, User Groups, and Task IDs 195
Configuring User Accounts 195

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Creating Users and Assigning Groups 196
Configuring Software Entitlement 197
Examples 197
Configuration Limiting 198
Static Route Configuration Limits 199
IS-IS Configuration Limits 1100
OSPFv2 and v3 Configuration Limits 1100
Routing Policy Language Line and Policy Limits 1103
Platform-Independent Multicast Configuration Limits 1104
Cisco ASR 9000 Series Router Multicast Configuration Limits 1105
MPLS Configuration Limits 1105
Video Monitoring Limits 1106
Other Configuration Limits 1107
L2VPN Configuration Limits 1107
CLI Tips, Techniques, and Shortcuts 1109
Contents 1109
CLI Tips and Shortcuts 1109
Entering Abbreviated Commands 1109
Using the Question Mark (?) to Display On-Screen Command Help 1110
Completing a Partial Command with the Tab Key 1112
Identifying Command Syntax Errors 1112
Using the no Form of a Command 1113
Editing Command Lines that Wrap 1113
Displaying System Information with show Commands 1114
Common show Commands 1114
Browsing Display Output When the --More-- Prompt Appears 1115
Halting the Display of Screen Output 1116
Redirecting Output to a File 1116
Narrowing Output from Large Configurations 1116
Filtering show Command Output 1118
show parser dump command 1120
Accessing Admin Commands from Secure Domain Router Mode 1120
Location Keyword for the file Command 1120
vty / Console Timestamp 1121
Displaying Interfaces by Slot Order 1121
Displaying Unconfigured Interfaces 1122
Displaying Subnet Mask in CIDR Format 1123
Wildcards, Templates, and Aliases 1124

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Using Wildcards to Identify Interfaces in show Commands 1124
Creating Configuration Templates 1125
Applying Configuration Templates 1127
Aliases 1128
Keystrokes Used as Command Aliases 1129
Command History 1129
Displaying Previously Entered Commands 1129
Recalling Previously Entered Commands 1129
Recalling Deleted Entries 1130
Redisplaying the Command Line 1130
Displaying Persistent CLI History 1130
Key Combinations 1131
Key Combinations to Move the Cursor 1131
Keystrokes to Control Capitalization 1132
Keystrokes to Delete CLI Entries 1133
Transposing Mistyped Characters 1133
Troubleshooting the Cisco IOS XR Software 1135
Contents 1135
Additional Sources of Information 1135
Basic Troubleshooting Commands 1135
Using show Commands to Display System Status and Configuration 1136
Using the ping Command 1137
Using the traceroute Command 1138
Using the debug Commands 1139
Configuration Error Messages 1143
Configuration Failures During a Commit Operation 1143
Configuration Errors at Startup 1144
Memory Warnings in Configuration Sessions 1144
Understanding Low-Memory Warnings in Configuration Sessions 1144
Displaying System Memory Information 1145
Removing Configurations to Resolve Low-Memory Warnings 1146
Contacting TAC for Additional Assistance 1148
Interfaces Not Coming Up 1148
Verifying the System Interfaces 1148
Understanding Regular Expressions, Special Characters, and Patterns 1153
Contents 1153
Regular Expressions 1153

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Special Characters 1154
Character Pattern Ranges 1154
Multiple-Character Patterns 1155
Complex Regular Expressions Using Multipliers 1155
Pattern Alternation 1156
Anchor Characters 1156
Underscore Wildcard 1156
Parentheses Used for Pattern Recall 1157
159 Index

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Preface
This guide describes how to create the initial configuration for a router using the
Cisco IOS XR software. This guide also describes how to complete additional administration,
maintenance, and troubleshooting tasks that may be required after initial configuration.
This preface contains the following sections:
• Changes to This Document, page ix
• About This Document, page ix
• Obtaining Documentation and Submitting a Service Request, page xi
Changes to This Document
The following table lists the technical changes made to this document since it was first printed.
About This Document
The following sections provide information about Cisco ASR 9000 Series Aggregation Services Router
Getting Started Guide and related documents:
• Intended Audience, page x
• Related Documents, page x
• Conventions, page x
Ta b l e 1 Changes to This Document
Revision Date Change Summary
OL-28417-02 May 2013 Republished with documentation updates for Cisco IOS XR
Release 4.3.1 features.
OL-28417-01 December 2012 Initial release of this document.

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Intended Audience
This document is intended for the following people:
• Experienced service provider administrators
• Cisco telecommunications management engineers
• Third-party field service technicians who have completed the Cisco IOS XR software training
sessions
• Customers who daily use and manage routers running Cisco IOS XR software
Related Documents
For a complete listing of available documentation for the Cisco IOS XR software and the routers on
which it operates, see the following URLs:
• Cisco IOS XR Software Documentation
http://www.cisco.com/en/US/products/ps5845/tsd_products_support_series_home.html
– Cisco IOS XR ROM Monitor Guide
Cisco IOS XR System Management Configuration Guide
Cisco IOS XR System Security Configuration Guide
Cisco IOS XR Routing Configuration Guide
Cisco IOS XR Interface and Hardware Component Configuration Guide
http://www.cisco.com/en/US/products/ps5845/
products_installation_and_configuration_guides_list.html
– Cisco IOS XR Interface and Hardware Component Command Reference
Cisco IOS XR Routing Command Reference
http://www.cisco.com/en/US/products/ps5845/prod_command_reference_list.html
• Cisco CRS-1 Carrier Routing System Documentation
http://www.cisco.com/en/US/products/ps5763/tsd_products_support_series_home.html
• Cisco XR 12000 Series Router Documentation
http://www.cisco.com/en/US/products/ps6342/tsd_products_support_series_home.html
• Cisco ASR 9000 Series Router System Documentation
http://www.cisco.com/en/US/products/ps9853/tsd_products_support_series_home.html
Note Cisco IOS XR software runs only on the Cisco XR 12000 Series Routers listed in the Supported
Standalone System Configurations, page 1.
Conventions
This document uses the following conventions:
Convention Item
boldface font Commands and keywords
italic font Variable for which you supply values