Cisco IOS XR Software

Overview	Product Overview

Status	Available Order
Series Release Date	24-MAY-2004

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Recent Security Notices

13-Nov-2024
Security Advisory: Cisco IOS XR Software Bootloader Unauthenticated Information Disclosure Vulnerability
25-Sep-2024
Security Advisory: Multiple Cisco Products Web-Based Management Interface Privilege Escalation Vulnerability
11-Sep-2024
Security Advisory: Cisco IOS XR Software CLI Privilege Escalation Vulnerability
11-Sep-2024
Security Advisory: Cisco IOS XR Software CLI Arbitrary File Read Vulnerability
11-Sep-2024
Security Advisory: Cisco IOS XR Software Dedicated XML Agent TCP Denial of Service Vulnerability

Document Categories

Collections
- Cisco IOS XR Licensing 25-Aug-2024
Data Sheets and Product Information
- Cisco IOS XR Flexible Consumption Model Overview 05-Aug-2022
- IOS XR Data Sheet 06-May-2024
- Cisco IOS XR Software Flexible Consumption Model Data Sheet 29-Jul-2023
- 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-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 7.11 06-Dec-2024
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 7.10 18-Aug-2024
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 7.9 28-Mar-2024
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 7.8 29-Nov-2023
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 7.7 01-Sep-2023
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 6.9 28-Jul-2023
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 7.6 29-Mar-2023
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 7.5 21-Dec-2022
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 6.8 05-Aug-2022
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 7.4 05-Aug-2022
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 7.3 28-Feb-2022
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 7.2 14-Sep-2021
- 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
- End-of-Sale and End-of-Life Announcement for the Cisco IOS XR Software Release 7.0 27-Feb-2020
View all documentation of this type
Security Notices
- Software Lifecycle Support Statement - IOS XR 28-Sep-2023
- IOS XR Release Taxonomy Bulletin 27-Sep-2023
- Cisco IOS XR Software Release 3.5.2 for Cisco CRS-1 and XR 12000 Series Routers 14-Jan-2008
- Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided 22-Mar-2022
- 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
- Cisco IOS XR Software Bootloader Unauthenticated Information Disclosure Vulnerability 13-Nov-2024
- Multiple Cisco Products Web-Based Management Interface Privilege Escalation Vulnerability 25-Sep-2024
- Cisco IOS XR Software CLI Privilege Escalation Vulnerability 11-Sep-2024
- Cisco IOS XR Software Dedicated XML Agent TCP Denial of Service Vulnerability 11-Sep-2024
- Cisco IOS XR Software CLI Arbitrary File Read Vulnerability 11-Sep-2024
- Cisco IOS XR Software Network Convergence System Denial of Service Vulnerability 11-Sep-2024
- Cisco IOS XR Software Segment Routing for Intermediate System-to-Intermediate System Denial of Service Vulnerability 11-Sep-2024
- Cisco Routed Passive Optical Network Controller Vulnerabilities 11-Sep-2024
- Cisco IOS XR Software UDP Packet Memory Exhaustion Vulnerability 11-Sep-2024
- Cisco IOS XR Software Secure Boot Bypass Vulnerability 10-Jul-2024
- Cisco IOS XR Software for ASR 9000 Series Aggregation Services Routers PPPoE Denial of Service Vulnerability 13-Mar-2024
- Cisco IOS XR Software SSH Privilege Escalation Vulnerability 13-Mar-2024
- Cisco IOS XR Software DHCP Version 4 Server Denial of Service Vulnerability 13-Mar-2024
- Cisco IOS XR Software MPLS and Pseudowire Interfaces Access Control List Bypass Vulnerabilities 13-Mar-2024
- Cisco IOS XR Software Layer 2 Services Denial of Service Vulnerability 13-Mar-2024
View all documentation of this type
Release and Compatibility
- 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
Reference
- Licensing Command Reference for Cisco IOS XR Routers 29-Apr-2024
- Cisco Network Convergence System 1000 Series Workflow 05-Sep-2023
- Interface and Hardware Component Command Reference for Cisco NCS 5000 Series Routers 30-Mar-2023
- VPN and Ethernet Services Command Reference for Cisco NCS 5000 Series Routers 01-Sep-2021
- Interface and Hardware Component Command Reference for the Cisco NCS 6000 Series Routers 01-Aug-2020
- Command Reference for Cisco NCS 1000 Series 19-May-2020
- Modular QoS Command Reference for Cisco NCS 5000 Series Routers 27-May-2019
- Modular Quality of Service Command Reference for Cisco NCS 6000 Series Routers 23-Apr-2019
- BGP Command Reference for Cisco NCS 5000 Series Routers 01-Apr-2019
- Routing Command Reference for Cisco NCS 5000 Series Routers 01-Apr-2019
- System Administration Command Reference for the Cisco NCS 6000 Series Routers 01-Dec-2018
- System Monitoring Command Reference for Cisco NCS 6000 Series Routers 03-Sep-2018
- Routing Command Reference for Cisco NCS 6000 Series Routers 15-Jun-2018
- MPLS Command Reference for Cisco NCS 6000 Series Routers 13-Jun-2018
- Multicast Command Reference for the Cisco NCS 6000 Series Router 30-Mar-2018
View all documentation of this type
- 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
View all documentation of this type
- Cisco IOS XR Software Release 4.1
  - Cisco IOS XR Task ID Reference Guide, Release 4.1 20-May-2011
Install and Upgrade
View all documentation of this type
- Install SMU in Cisco IOS XR7 16-Feb-2024
- Set-up Repository for Installing Operations in IOS XR7 and Upgrade Process 02-Feb-2024
- Install and Troubleshoot SMUs and Feature Packages in IOS eXR 02-Feb-2024
- Upgrade Field Programmable Device (FPD) on 32-bit Cisco IOS XR (cXR) 12-Jan-2024
Configuration
- Configure gNMI and Implement pYANG in IOS XR 15-Feb-2024
- Configure Route Leak between GRT and VRF with IOS XR 07-Feb-2023
- PTP and SyncE basics with Cisco IOS XR Configuration 30-Nov-2021
- 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
- Cisco IOS XR Software Release 4.3.x
- 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
- BGP RR Scale Considerations and KPI Monitoring 01-Aug-2024
- Cisco IOS XR Deployment Best Practices for OSPF/IS-IS and BGP Routing  15-Feb-2024
- Configure ltrace Scale Factors on ASR9K Route Processors and Line Cards for Efficient Memory Management 10-Apr-2023
- Service Pack Overview for Routers that Run Cisco IOS XR 20-Nov-2015
Troubleshooting
- Cisco IOS XR Software Release 5.1.x and Later Releases
  - Cisco IOS XR System Error Message Reference Guide 25-Sep-2019
- Configure New Password Recovery Procedure on 8000 and NCS5500 Platforms 16-Oct-2023
- Troubleshoot IOS XR September 30 2021 - DST Root CA X3 Certificate Expiry 16-Sep-2021
- eXR : Default Management Interface Mapping 31-Mar-2021
- Troubleshoot BGP Virtual Memory (RLIMIT) Issue on IOS XR 13-Aug-2024
- Troubleshoot Quick Reference Command List for TAC Assistance 21-May-2024
- Troubleshoot Modules in "SW_INACTIVE" State for IOS XR 16-Feb-2024
- Create GISO File for IOS-XR Upgrade with Python 3 12-Feb-2024
- Troubleshoot "OS-SHMWIN-2-ERROR_ENCOUNTERED" Error Message 17-Nov-2023
- Transfer Show Tech-Support Files to XR VM on Routers Running eXR 24-Oct-2023
- Resolve the Full IPv6 Packet Drop where an IPv6 ACL Is in Use 30-Sep-2023
- Resolve the Port from the Err-Disable Status on the Cisco 8000 Router 29-Sep-2023
- Troubleshoot Input Drops in Cisco IOS XR 12-Jul-2023
- Convergence Mechanism of SR-TE Policy based Explicit-Path with TI-LFA Link Protection 05-Jul-2023
- Understand Cisco IOS XR Software Maintenance Updates (SMUs) 25-Jul-2022
- Configure OSPFv3 in an NSSA Area to Enable Translation of Type-7 LSA with Zero Forwarding Address 09-Mar-2022
- Zero Touch Provisioning Implementation and Troubleshooting Tips 30-Jun-2021
- XR7 Caveat: Console Port Stops Responding 25-Jun-2021
- Cisco IOS-XR BGP with MPLS Designs 18-Jun-2021
View all documentation of this type
Literature
- Why Move to a Modern Network Operating System? White Paper 23-Feb-2021

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Key Information

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Recent Security Notices

Document Categories

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Licensing

Data Sheets and Product Information

At-a-Glance

Data Sheets

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

Security Notices

Bulletins

Field Notices

Security Advisories, Responses and Notices

Release and Compatibility

Master Index

Cisco IOS XR Software Release 4.1

Release Notes

SONiC on Cisco 8000 Series Routers

Cisco 8000 Series Routers

Cisco Network Convergence System 5500 Series Routers

Cisco ASR 9000 Series Aggregation Services Routers

Cisco Network Convergence System 540 Series Routers

Cisco Network Convergence System 560 Series Routers

Cisco Network Convergence System 6000 Series Routers

Cisco Network Convergence System 5000 Series Routers

Cisco IOS XRv 9000 Routers

Cisco IOS XRd Routers

Reference

Command References

Licensing Information

Technical References

Cisco IOS XR Software Release 4.1

Install and Upgrade

Install and Upgrade Guides

Install and Upgrade TechNotes

Configuration

Configuration Examples and TechNotes

Configuration Guides

Cisco 8000 Series Routers, IOS XR Release 7.9.x

Cisco 8000 Series Routers, IOS XR Release 7.8.x

Cisco 8000 Series Routers, IOS XR Release 7.7.x

Cisco 8000 Series Routers, IOS XR Release 7.5.x

Cisco 8000 Series Routers, IOS XR Release 7.3.x

Cisco Network Convergence System 5500 Series Routers, Release 7.6.x

Cisco Network Convergence System 5500 Series Routers, Release 7.5.x

Cisco Network Convergence System 5500 Series Routers, Release 7.4.x

Cisco Network Convergence System 5500 Series Routers, Release 7.3.x

Cisco Network Convergence System 5500 Series Routers, Release 7.2.x

Cisco ASR 9000 Series Aggregation Services Routers, Release 7.6.x

Cisco ASR 9000 Series Aggregation Services Routers, Release 7.5.x

Cisco Network Convergence System 540 Series Routers, Release 7.10.x

Cisco Network Convergence System 560 Series Routers, Release 7.10.x

Cisco Network Convergence System 5000 Series Routers, Release 7.6.x

Cisco Network Convergence System 5000 Series Routers, Release 7.5.x

Cisco Network Convergence System 5000 Series Routers, Release 7.4.x

Cisco Network Convergence System 5000 Series Routers, Release 7.3.x

Cisco Network Convergence System 5000 Series Routers, Release 7.2.x

Cisco Network Convergence System 6000 Series Routers, Release 7.2.x

Cisco Carrier Routing System

Programming Guides

Cisco IOS XR Software Release 4.3.x

Cisco IOS XR Software Release 4.1

Maintain and Operate

Maintain and Operate TechNotes

Troubleshooting

Error and System Messages

Cisco IOS XR Software Release 5.1.x and Later Releases

Password Recovery

Support FAQ

Troubleshooting TechNotes

Literature

White Papers

Latest Community Activity For This Product

Solved Issues

Community Documents