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Cisco IOS XR Getting Started Guide
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CONTENTS
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Preface
Changes to This Document
About This Document
Intended Audience
Organization of the Document
Related Documents
Conventions
Obtaining Documentation
Cisco.com
Product Documentation DVD
Ordering Documentation
Documentation Feedback
Cisco Product Security Overview
Reporting Security Problems in Cisco Products
Product Alerts and Field Notices
Obtaining Technical Assistance
Cisco Technical Support & Documentation Website
Submitting a Service Request
Definitions of Service Request Severity
Obtaining Additional Publications and Information
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Introduction to Cisco IOS XR Software
Supported Standalone System Configurations
Cisco CRS-1 Multishelf System Overview
1-3
Chapter1 Introduction to Cisco IOS XR Softwar e Cisco CRS-1 Multishelf System Overview
Figure1-1 Single-FCC Multishelf System
1Cisco CRS-1 16-Slot Line Card Chassis (two
3Cisco Catalyst 6509 Switch (two suggested) 2Cisco CRS-1 Fabric Card Chassis (one required)
1-4
Chapter1 Introduction to Cisco IOS XR Software Cisco CRS-1 Multishelf System Overview
Figure1-2 Two-FCC Multishelf System
1Cisco CRS-1 16-Slot Line Card Chassis (two
3Cisco Catalyst 6509 Switch (two suggested) 2Cisco CRS-1 Fabric Card Chassis (two required)
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Router Management Interfaces
Command-Line Interface
Craft Works Interface
Extensible Markup Language API
Simple Network Management Protocol
Selecting and Identifying the Designated Shelf Controller
Selecting and Identifying the DSC on Cisco CRS-1 Routers
Selecting and Identifying the DSC on Cisco CRS-1 Multishelf Systems
Selecting and Identifying the DSC on Cisco XR 12000 and 12000 Series R outers
Connecting to the Router Through the Console Port
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Figure1-4 Communication Ports on the RP for a Cisco CRS-1 16-Slot LCC
RP
1-11
Figure1-5 Communication Ports on the RP for Cisco CRS-1 4-slot and 8-Slot LCCs
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Figure1-6 Communication Ports on the PRP-2 for a Cisco XR 12000 Series Router
To connect to the router, perform the following procedure.
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Bringing Up the Cisco IOS XR Software on a Standalone Router
Prerequisites
Software Requirements
Hardware Prerequisites and Documentation
Bringing Up and Configuring a Standalone Router
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Verifying the System After Initial Bring-Up
Examples of show Commands
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show environment Command
In the following example, LED status of the nodes in a CiscoCRS-1 router is shown:
2-7
See the Cisco IOS XR Interface and Hardware Component Command Reference for more information.
show platform Command
Note SDRs are introduced in Chapter4, Configuri ng General Router Features.
The following administration EXEC mode sample output displays all router nodes:
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Bringing Up the Cisco IOS XR Software on a Multishelf System
Prerequisites
Software Requirements
Hardware Requirements
Restrictions
Information About Bringing Up a Multishelf System
Bringup Overview
Preparing a Rack Number Plan
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Chapter3 Bringing Up the Cisco IOS XR Software on a Multishelf System
DSC
Fabric Cards
Table 3 -2 shows a sample rack number plan for a two-FCC system.
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Chapter3 Bringing Up the Cisco IOS XR Software on a Multishelf System
129761, 781-00375-01
Figure3-2 Location of the Serial Number on a Fabric Card Chassis
SN: XXXNNNNXXXX
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Chapter3 Bringing Up the Cisco IOS XR Sof tware on a Multishelf System
SN: AAANNNNXXXX
Management Configuration Guide, Release 3.4.
Figure3-3 Location of the Serial Number on a Line Card Chassis
Configuring the External Cisco Catalyst 6509 Switches
Prerequisites
Software Requirements
Hardware Requirements
Restrictions
Before You Begin
Information About the Catalyst Switch Configuration
Configuring the Catalyst Switches
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Example: Single-FCC Multishelf System Configuration
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Example: Four-FCC Multishelf System Configuration
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Verifying the Catalyst Switch
Verify the Interface Status
Verify Communication Between the Catalyst Switch and an LCC or FCC
Verify that the Links are Not Unidirectional
Integrated Switch System
Prerequisites for an Integrated Switch System
Software Requirements
Hardware Requirements
Restrictions for an Integrated Switch System
Before You Begin
Information About the Integrated Switch Implementation
Integrated Switch Overview
Integrated Switch Functions
Integrated Switch Control Network Topology
LED Definitions for the Integrated Switch System
Implementing the Integrated Switch System
Implementing the Integrated Switch Through ROMMON
Implementing the Integrated Switch in Cisco IOS XR
Assigning a Bridge Priority
Booting Up the Integrated Switch Network
Reenabling the Ports
Verifying the Connections of the Integrated Switch Control Network
Verifying the Control Ethernet Connection
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Verifying the Port Statistics
Verifying Bidirectionality
Verifying Unidirectional Link Detection (UDLD) Protocol Information
Verifying Spanning Tree Protocol Information
Bringing Up and Configuring Rack 0
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Example: Configuring and Verifying the Rack Numbers in a Single-FCC Multishelf System
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Example: Mapping Each Fabric Plane in a Single-FCC Multishelf System
Example: Mapping Each Fabric Plane in a Two-FCC Multishelf System
The following display is an example of a configuration for a two-FCC multishelf system:
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Example: Mapping Each Fabric Plane in a Four-FCC Multishelf System
Bringing Up and Verifying FCCs
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Verify That All Fabric Planes Are Ready to Handle Data
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show controllers fabric connectivity all detail
Bringing Up and Verifying the Non-DSC LCC
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Verifying the Spanning Tree
Verify That the FCCs and Non-DSC LCC Are Communicating with the DSC
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Verify the Spanning Tree
For each RP and SCGE card in the system, verify that:
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Verifying Fabric Cabling Connections
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J0
Figure 3-5 Optical Interface Module LED Panel (Part CRS-FCC-LED)
J0
J1
J2
A0 A1 A2
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J0 J1 J2
OIM0 J0 J1 J2
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Configuring General Router Features
Secure Domain Routers
Connecting and Communicating with the Router
RP
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Figure4-2 Communication Ports on the RP for a Cisco CRS-1 4-Slot and 8-Slot LCCs
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Figure4-3 Communication Ports on the DRP PLIM
Figure4-4 Communication Ports on the PRP-2 for a Cisco XR 12000 Series Router
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The following sections describe three ways to connect to a DSC or DSDRSC:
Establishing a Connection Through the Console Port
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Establishing a Connection Through a Terminal Server
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Establishing a Connection Through the Management Ethernet Interface
Logging In to a Router or an SDR
CLI Prompt
User Access Privileges
User Groups, Task Groups, and Task IDs
Predefined User Groups
Displaying the User Groups and Task IDs for Your User Account
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To display your username, enter the show user command:
Table4-3 Options to Display Information About Your Account (continued)
Command Description
4-16
To display the user groups assigned to your user account, enter the show user group command:
To display the rights assigned to a user group, enter the show aaa usergroup group-name command :
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Navigating the Cisco IOS XR Command Modes
Identifying the Command Mode in the CLI Prompt
Summary of Common Command Modes
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Entering EXEC Commands from a Configuration Mode
Command Mode Navigation Example
Managing Configuration Sessions
Displaying the Active Configuration Sessions
Starting a Configuration Session
Starting an Exclusive Configuration Session
Displaying Configuration Details with show Commands
Displaying the Running Configuration
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Displaying a Sanitized Version of the Running Configuration
4-29
Displaying the Target Configuration
Displaying a Combined Target and Running Configuration
Displaying Configuration Error Messages and Descriptions
Displaying Configuration Error Messages Without Descriptions
Displaying Configuration Error Messages Produced While Loading a Configuration
Saving the Target Configuration to a File
Loading the Target Configuration from a File
Loading an Alternative Configuration at System Startup
Clearing All Changes to a Target Configuration
Committing Changes to the Running Configuration
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Reloading a Failed Configuration
Exiting a Configuration Submode
Returning Directly to Configuration Mode from a Submode
Ending a Configuration Session
Aborting a Configuration Session
Configuring the SDR Hostname
Configuring the Management Ethernet Interface
Specifying the Management Ethernet Interface Name in CLI Commands
Displaying the Available Management Ethernet Interfaces
Configuring the Management Ethernet Interface
Prerequisites
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Command or Action Purpose
Step8
Displays the interface details to verify the settings.
slot
Manually Setting the Router Clock
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Configuring Additional Router Features
Configuring the Domain Name and Domain Name Server
Configuring Telnet, HTTP, and XML Host Services
Prerequisites
Managing Configuration History and Rollback
Displaying the CommitIDs
Displaying the Configuration Changes Recorded in a CommitID
Previewing Rollback Configuration Changes
Rolling Back the Configuration to a Specific Rollback Point
Rolling Back the Configuration over a Specified Number of Commits
Loading CommitID Configuration Changes to the Target Configuration
Loading Rollback Configuration Changes to the Target Configuration
Deleting CommitIDs
Configuring Logging and Logging Correlation
Logging Locations and Severity Levels
Alarm Logging Correlation
Configuring Basic Message Logging
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Disabling Console Logging
Creating and Modifying User Accounts and User Groups
Displaying Details About User Accounts, User Groups, and Task IDs
Configuring User Accounts
Creating Users and Assigning Groups
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Configuration Limiting
Static Route Configuration Limits
IS-IS Configuration Limits
OSPFv2 and v3 Configuration Limits
Maximum Interfaces for Each OSPF Instance
5-19
The following example configures the maximum interface limit on a router:
Maximum Routes Redistributed into OSPF
Number of Parallel Links (max-paths)
BGP Configuration Limits
Routing Policy Language Line and Policy Limits
5-22
Multicast Configuration Limits
MPLS Configuration Limits
Other Configuration Limits
CLI Tips, Techniques, and Shortcuts
CLI Tips and Shortcuts
Entering Abbreviated Commands
Using the Question Mark (?) to Display On-Screen Command Help
6-3
the command:
that apply to the keyword and brief explanations:
Step3 Enter the deny option and a question mark to see more command options:
Generally, uppercase letters represent variables (arguments).
Completing a Partial Command with the Tab Key
Identifying Command Syntax Errors
Using the no Form of a Command
Editing Command Lines that Wrap
Displaying System Information with show Commands
Common show Commands
Browsing Display Output when the --More-- Prompt Appears
Halting the Display of Screen Output
Redirecting Output to a File
Narrowing Output from Large Configurations
Limiting show Command Output to a Specific Feature or Interface
6-9
Using Wildcards to Display All Instances of an Interface
Filtering show Command Output
Adding a Filter at the --More-- Prompt
Wildcards, Templates, and Aliases
Using Wildcards to Identify Interfaces in show Commands
Example
6-12
In the following example, the state of all POS interfaces is displayed:
Creating Configuration Templates
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Applying Configuration Templates
Aliases
Keystrokes Used as Command Aliases
Command History
Displaying Previously Entered Commands
Recalling Previously Entered Commands
Recalling Deleted Entries
Redisplaying the Command Line
Key Combinations
Key Combinations to Move the Cursor
Keystrokes to Control Capitalization
Keystrokes to Delete CLI Entries
Transposing Mistyped Characters
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Troubleshooting the Cisco IOS XR Software
Additional Sources for Information
Basic Troubleshooting Commands
Using show Commands to Display System Status and Configuration
Using the ping Command
Using the traceroute Command
Using debug Commands
Displaying a List of Debug Features
Enabling Debugging for a Feature
Displaying Debugging Status
Disabling Debugging for a Service
Disabling Debugging for All Services Started at the Active Terminal Session
Disabling Debugging for All Services Started at All Terminal Sessions
Configuration Error Messages
Configuration Failures During a Commit Operation
Configuration Errors at Startup
Memory Warnings in Configuration Sessions
Understanding Low-Memory Warnings in Configuration Sessions
WARNING! MEMORY IS IN MINOR STATE
ERROR! MEMORY IS IN SEVERE (or CRITICAL) STATE
Displaying System Memory Information
Removing Configurations to Resolve Low-Memory Warnings
Clearing a Target Configuration
Removing Committed Configurations to Free System Memory
Rolling Back to a Previously Committed Configuration
Clearing Configuration Sessions
Contacting TAC for Additional Assistance
Interfaces Not Coming Up
Verifying the System Interfaces
7-14
Note Line cards in Cisco CRS-1 routers are called modular services cards (MSCs). The show platform
7-15
following tasks:
a. Verify that the status of the interface is Shutdown:
b. Bring the interface up with the following commands:
Step7 Verify again that the interface is up by entering the show ipv4 interface brief command:
7-16
APPENDIX
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Understanding Regular Expressions, Special Characters, and Patterns
Regular Expressions
Special Characters
Character Pattern Ranges
Multiple-Character Patterns
Complex Regular Expressions Using Multipliers
Pattern Alternation
Anchor Characters
Underscore Wildcard
Parentheses Used for Pattern Recall
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GLOSSARY
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INDEX
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