Cisco IOS XR Software

Data Sheets and Product Information

At-a-Glance

• Cisco IOS XR Flexible Consumption Model At-a-Glance 13-Dec-2019 (PDF - 203 KB)

Data Sheets

• Cisco IOS XR Software Flexible Consumption Model Data Sheet 07-Jun-2021
• IOS XR7 Data Sheet 19-Feb-2020
• Cisco IOS XR Ethernet VPN Implementation and Verification Data Sheet 22-Dec-2017
• Cisco IOS XR Software Release 6.0 Operational Enhancements Data Sheet 16-Nov-2015

End-of-Life and End-of-Sale Notices

• End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 7.1 22-Mar-2021
• End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 6.7 22-Mar-2021
• Annonce d’arrêt de commercialisation et de fin de vie de Cisco IOS XR Software Release 6.7 29-Jan-2021
• Annonce d’arrêt de commercialisation et de fin de vie de Cisco IOS XR Software Release 7.1 29-Jan-2021
• Annonce d’arrêt de commercialisation et de fin de vie de Cisco IOS XR Software Release 7.0 28-Feb-2020
• End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 7.0 27-Feb-2020
• End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 6.6 24-Jun-2019
• Annonce d’arrêt de commercialisation et de fin de vie de Cisco IOS XR Software Release 6.6 24-Jun-2019
• End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 6.5 11-Feb-2019
• Annonce d’arrêt de commercialisation et de fin de vie de Cisco IOS XR Software Release 6.5 11-Feb-2019
• End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 6.4 01-Oct-2018
• Annonce d’arrêt de commercialisation et de fin de vie de Cisco IOS XR Software Release 6.4 01-Oct-2018
• End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 6.3 19-Sep-2018
• Annonce d’arrêt de commercialisation et de fin de vie de Cisco IOS XR Software Release 6.3 19-Sep-2018
• End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 6.2 16-Apr-2018

Q&A

• eXR : Default Management Interface Mapping 31-Mar-2021

Security Notices

Bulletins

• Guidelines for Cisco IOS XR Software 23-Sep-2020
• Cisco IOS XR Software Release 3.9.0 for Cisco ASR 9000 Series Aggregation Services Routers 16-Dec-2009
• Cisco IOS XR Software Release 3.5.2 for Cisco CRS-1 and XR 12000 Series Routers 14-Jan-2008

Field Notices

• Field Notice: FN - 63979 - ASR9000, CRS, and XR12000 That Run Cisco IOS-XR 5.3.0 and Earlier - Oct 17, 2015 SW Certificate Expiration - Software Upgrade Recommended 18-Jan-2019

Security Advisories, Responses and Notices

• Cisco IOS XR Software Command Injection Vulnerability 07-Apr-2021
• Cisco IOS XR Software SNMP Management Plane Protection ACL Bypass Vulnerability 03-Feb-2021
• Cisco IOS XR Software Enf Broker Denial of Service Vulnerability 03-Feb-2021
• Cisco IOS XR Software for Cisco 8000 Series Routers and Network Convergence System 540 Series Routers Privilege Escalation Vulnerability 03-Feb-2021
• Cisco IOS XR Software for Cisco 8000 Series Routers and Network Convergence System 540 Series Routers Image Verification Vulnerabilities 03-Feb-2021
• Cisco IOS XR Software IPv6 Flood Denial of Service Vulnerability 03-Feb-2021
• Cisco IOS XR and Cisco NX-OS Software IPv6 Access Control List Bypass Vulnerability 03-Feb-2021
• Cisco IOS XR Software Unauthorized Information Disclosure Vulnerability 03-Feb-2021
• Cisco IOS XR Software Slow Path Forwarding Denial of Service Vulnerability 10-Nov-2020
• Cisco IOS XR Software Enhanced Preboot eXecution Environment Unsigned Code Execution Vulnerability 04-Nov-2020
• Cisco IOS XR Software Authenticated User Privilege Escalation Vulnerability 02-Sep-2020
• Cisco IOS XR Authenticated User Privilege Escalation Vulnerability 02-Sep-2020
• Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerabilities 28-Aug-2020
• Cisco IOS XR Software Additional Paths Denial of Service Vulnerability 05-Aug-2020
• Cisco IOS XR Software Standby Route Processor Gigabit Ethernet Management Interface Access Control List Bypass Vulnerability 17-Jun-2020

Release and Compatibility

Master Index

• Cisco IOS XR Software Release 4.3

  • Cisco ASR 9000 Series Aggregation Services Router Master Command Listing, Release 4.3 16-Jul-2014
  • Cisco CRS Router Master Command Listing, Release 4.3 15-Jan-2013
  • Cisco XR 12000 Series Router Master Command Listing, Release 4.3 15-Jan-2013

• Cisco IOS XR Software Release 4.1

  • Cisco ASR 9000 Series Aggregation Services Router Master Command Listing, Release 4.1 17-Jun-2011
  • Cisco CRS Router Master Command Listing, Release 4.1 17-Jun-2011
  • Cisco XR 12000 Series Router Master Command List, Release 4.1 17-Jun-2011

Release Notes

• Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.3.15
• Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.3.1
• Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.0.14
• Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.0.12
• Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.3.1
• Release Notes for Cisco NCS 5500 Series Routers, Release 7.2.1
• Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.1.2
• Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.1.1
• Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.0.2
• Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.0.1
• Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 6.6.3
• Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 6.6.25
• Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 6.6.1
• Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 6.5.3
• Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 6.5.2

Reference

Command References

• Interface and Hardware Component Command Reference for Cisco 8000 Series Routers
• IP Addresses Command Reference for Cisco 8000 Series Routers
• MPLS Command Reference for Cisco 8000 Series Routers
• Modular Quality of Service Command Reference for Cisco 8000 Series Routers
• Multicast Command Reference for Cisco 8000 Series Routers
• NetFlow Command Reference for Cisco 8000 Series Routers
• Segment Routing Command Reference for Cisco 8000 Series Routers
• System Monitoring Command Reference for Cisco 8000 Series Routers
• System Security Command Reference for Cisco 8000 Series Routers
• BGP Command Reference for Cisco NCS 5500 Series and Cisco NCS 540 Series Routers
• Interface and Hardware Component Command Reference for Cisco NCS 5500 Series Routers and Cisco NCS 540 Series Routers
• IP Addresses and Services Command Reference for Cisco NCS 5500 Series and NCS 540 Series Routers
• Modular QoS Command Reference for Cisco NCS 5500 Series and Cisco NCS 540 Series Routers
• MPLS Command Reference for Cisco NCS 5500 Series and Cisco NCS 540 Series Routers
• Netflow Command Reference for Cisco NCS 5500 Series and Cisco NCS 540 Series Routers

Licensing Information

• Open Source Used In Cisco IOS XR Release 6.1.4 28-Jun-2017 (PDF - 7 MB)
• Open Source Used In Cisco IOS XR Release 6.1.3 14-Feb-2017 (PDF - 7 MB)
• Open Source Used In Cisco IOS XR Release 6.0.2 11-Jul-2016 (PDF - 7 MB)
• Open Source Used In Cisco IOS XR Release 5.3.3 08-May-2016 (PDF - 320 KB)
• Open Source Used In Cisco IOS XR Release 6.0.0 08-May-2016 (PDF - 36 MB)
• Open Source Used In Cisco IOS XR Release 5.2.5 08-May-2016 (PDF - 3 MB)
• Open Source Used In Cisco IOS XR Release 6.0.1 05-May-2016 (PDF - 7 MB)
• Open Source Used In Cisco IOS XR Release 5.3.2 28-Aug-2015
• Open Source Used In Cisco IOS XR Release 5.4.0 27-Aug-2015
• Open Source Used In Cisco IOS XR Release 5.2.4 05-Jul-2015
• Open Source Used In Cisco IOS XR Release 5.3.1 05-Jul-2015
• Open Source Used In Cisco IOS XR Release 5.3.0 11-Feb-2015
• Open Source Used In Cisco IOS XR Release 5.2.3 10-Feb-2015
• Open Source Used In Cisco IOS XR Release 5.2.2 04-Nov-2014
• Open Source Used In Cisco IOS XR Release 5.2.1 04-Nov-2014

Technical References

• Cisco IOS XR Software Release 4.1

  • Cisco IOS XR Task ID Reference Guide, Release 4.1 20-May-2011

Install and Upgrade

Install and Upgrade Guides

• Cisco Network Convergence System 1000 Series Workflow 23-Mar-2021
• System Setup and Software Installation Guide for Cisco NCS 1000 Series 23-Apr-2019
• Hardware Installation Guide for Cisco NCS 1000 Series 25-Oct-2017
• CSM Server 4.0 Installation Guide
• Hardware Installation Guide for Cisco 8800 Series Routers
• Hardware Installation Guide for Cisco 8200 Series Routers
• Regulatory Compliance and Safety Information—Cisco 8000 Series Routers
• Hardware Installation Guide for Cisco NCS 5500 Series Modular Routers
• Hardware Installation Guide for Cisco NCS 5500 Series Fixed-Port Routers
• Regulatory Compliance and Safety Information—Cisco NCS 5500 Series Routers
• Video: Cisco ASR 9000 Series Line Card Video Series
• Cisco ASR 9000 Series Aggregation Services Router Hardware Installation Guide
• Cisco ASR 9901, ASR 9001, and ASR 9001-S Routers Hardware Installation Guide
• Cisco ASR 9000 Series Aggregation Services Router Satellite Systems Installation Guide
• Cisco NCS 540 Router Hardware Installation Guide

Install and Upgrade TechNotes

• Field Programmable Device (FPD) Upgrades on Cisco IOS XR 27-Nov-2013

Configuration

Configuration Examples and TechNotes

• Troubleshoot Input Drops in IOS XR 04-Jan-2019
• Understanding CEF Weight Distributions In Unequal-cost Load Sharing 28-Nov-2018
• Configure Software for Cisco NCS 1002 (Rosco) with Alarm and Performance Data Monitoring 13-Mar-2018

Configuration Guides

• BGP Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.0.x
• IP Addresses and Services Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.0.x
• Interfaces Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.0.x
• MPLS Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.0.x
• Modular QoS Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.0.x
• Multicast Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.0.x
• Netflow Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.0.x
• Programmability Configuration Guide for Cisco 8000 Series Routers, IOS XR Release7.0.x
• Routing Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.0.x
• Segment Routing Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.0.x
• Software Installation Guide for Cisco 8000 Series Routers, IOS XR Release 7.0.x
• System Management Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.0.x
• System Monitoring Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.0.x
• System Security Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.0.x
• System Setup Guide for Cisco 8000 Series Routers, IOS XR Release 7.0.x

Programming Guides

• Cisco IOS XR Software Release 4.3.x

  • XML Schema Documentation for the Cisco ASR 9000 Series Aggregation Services Routers, Cisco IOS XR Release 4.3.0
  • XML Schema Documentation forthe Cisco CRS Router, Cisco IOS XR Release 4.3.0
  • XML Schema Documentation for the Cisco XR 12000 Series Routers, Cisco IOS XR Release 4.3.0

• Cisco IOS XR Software Release 4.1

  • Cisco IOS XR XML API Guide, Cisco IOS XR Release 4.1 29-Mar-2011

Maintain and Operate

Maintain and Operate TechNotes

• IOS XR - How to change ltrace usage on the RP/LC to reduce memory footpint 07-Jul-2020
• Service Pack Overview for Routers that Run Cisco IOS XR 20-Nov-2015

Troubleshooting

Error and System Messages

• Cisco IOS XR Software Release 5.1.x and Later Releases

  • Cisco IOS XR System Error Message Reference Guide 25-Sep-2019

Troubleshooting Guides

• Cisco CRS Router

  • Cisco CRS-1 Carrier Routing System 16-Slot Line Card Chassis Hardware Operations and Troubleshooting Guide 12-Nov-2010

Troubleshooting TechNotes

• SNMP Migration to Telemetry on IOS XR 25-Apr-2021
• Quick Reference Guide to collect TAC requested outputs from IOS-XR Routers 03-Apr-2020
• Create IS-IS Topology from CLI Output of IOS-XR Router 06-May-2019
• IOS XR Software Maintenance Updates (SMUs) 30-Jan-2019
• IOS XR Upgrade Changes: Certificate Expiration (Abraxas), Corrupt Pie File (SWIMS), and RPM Signage (eXR 64-bit) 03-Oct-2018
• Compare OSPF Forwarding Address Behaviour on IOS and IOS-XR 31-Jul-2018
• Find YANG Models in Cisco IOS XR Software (cXR and eXR) 17-May-2018
• Border Gateway Protocol (BGP) Optimal Route Reflection 11-Apr-2018
• IOS XR BGP Best Practice: eBGP Transit AS Route Advertisment 19-Apr-2016
• Service Pack Overview for Routers that Run Cisco IOS XR 20-Nov-2015
• High CPU utilisation by alarm-logger process on Routers running IOS-XR 04-Sep-2015
• Install MOP – CSS to Abraxas Migration 14-May-2015
• MTU Behavior on Cisco IOS XR and Cisco IOS Routers 02-Feb-2015
• L2 Switching Configuration to XR L2VPN Configuration Conversion Process 14-Feb-2014

Literature

White Papers

• Why Move to a Modern Network Operating System? White Paper 23-Feb-2021