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Cisco IOS XR Software
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24-MAY-2004
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Latest Security Notices
01-Dec-2022
Bulletin: Software Lifecycle Support Statement - IOS XR
27-Sep-2022
Security Advisory: Vulnerabilities in Layer 2 Network Security Controls Affecting Cisco Products: September 2022
14-Sep-2022
Security Advisory: Cisco Network Convergence System 4000 Series TL1 Denial of Service Vulnerability
14-Sep-2022
Security Advisory: Cisco IOS XR Software Cisco Discovery Protocol Denial of Service Vulnerability
14-Sep-2022
Security Advisory: Cisco IOS XR Software Broadband Network Gateway PPP over Ethernet Denial of Service Vulnerability
20-May-2022
Security Advisory: Cisco IOS XR Software Health Check Open Port Vulnerability
13-Apr-2022
Security Advisory: Cisco IOS XR Software Border Gateway Protocol Ethernet VPN Denial of Service Vulnerability
13-Apr-2022
Security Advisory: Cisco IOS XR Software for ASR 9000 Series Routers Lightspeed-Plus Line Cards Denial of Service Vulnerability
22-Mar-2022
Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided
19-Jan-2022
Security Advisory: Multiple Cisco Products CLI Command Injection Vulnerability
Document Categories
Configuration
Data Sheets and Product Information
Install and Upgrade
Literature
Maintain and Operate
Reference
Release and Compatibility
Security Notices
Troubleshooting
Data Sheets and Product Information
At-a-Glance
Cisco IOS XR Flexible Consumption Model Overview
05-Aug-2022
Data Sheets
Cisco IOS XR Software Flexible Consumption Model Data Sheet
23-Dec-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 7.5
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
Annonce d’arrêt de commercialisation et de fin de vie de 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
Annonce d’arrêt de commercialisation et de fin de vie de 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
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
View all documentation of this type
Q&A
eXR : Default Management Interface Mapping
31-Mar-2021
Security Notices
Bulletins
Software Lifecycle Support Statement - IOS XR
01-Dec-2022
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 - 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
Security Advisories, Responses and Notices
Vulnerabilities in Layer 2 Network Security Controls Affecting Cisco Products: September 2022
27-Sep-2022
Cisco Network Convergence System 4000 Series TL1 Denial of Service Vulnerability
14-Sep-2022
Cisco IOS XR Software Cisco Discovery Protocol Denial of Service Vulnerability
14-Sep-2022
Cisco IOS XR Software Broadband Network Gateway PPP over Ethernet Denial of Service Vulnerability
14-Sep-2022
Cisco IOS XR Software Health Check Open Port Vulnerability
20-May-2022
Cisco IOS XR Software Border Gateway Protocol Ethernet VPN Denial of Service Vulnerability
13-Apr-2022
Cisco IOS XR Software for ASR 9000 Series Routers Lightspeed-Plus Line Cards Denial of Service Vulnerability
13-Apr-2022
Multiple Cisco Products CLI Command Injection Vulnerability
19-Jan-2022
Multiple Cisco Operating Systems Unidirectional Link Detection Denial of Service Vulnerability
22-Sep-2021
Cisco IOS XR Software for Cisco 8000 and Network Convergence System 540 Series Routers Image Verification Vulnerabilities
08-Sep-2021
Cisco IOS XR Software for ASR 9000 Series Routers Denial of Service Vulnerability
08-Sep-2021
Cisco IOS XR Software Authenticated User Privilege Escalation Vulnerabilities
08-Sep-2021
Cisco IOS XR Software Arbitrary File Read and Write Vulnerability
08-Sep-2021
Cisco IOS XR Software Command Injection Vulnerabilities
08-Sep-2021
Cisco IOS XR Software IP Service Level Agreements and Two-Way Active Measurement Protocol Denial of Service Vulnerability
08-Sep-2021
View all documentation of this type
Release and Compatibility
Master Index
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 SONiC on Cisco 8000 Series Routers, Release 202012
Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.8.1
Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.7.1
Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.5.3
Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.5.2
Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.5.1
Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.3.4
Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.3.3
Release Notes for Cisco 8000 Series Routers, IOS XR Release 7.3.2
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 7.8.1
Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.7.1
View all documentation of this type
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
View all documentation of this type
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
View all documentation of this type
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
System Setup and Software Installation Guide for Cisco NCS 1000 Series
08-Feb-2022
Cisco Network Convergence System 1000 Series Workflow
23-Mar-2021
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
View all documentation of this type
Install and Upgrade TechNotes
Field Programmable Device (FPD) Upgrades on Cisco IOS XR
27-Nov-2013
Configuration
Configuration Examples and TechNotes
Configure Route Leak between GRT and VRF with IOS XR
20-Oct-2022
PTP and SyncE basics with Cisco IOS XR Configuration
30-Nov-2021
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
System Setup Guide for Cisco 8000 Series Routers, IOS XR Release 7.5.x
Software Installation Guide for Cisco 8000 Series Routers, IOS XR Release 7.5.x
Telemetry Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.5.x
Programmability Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.5.x
Routing Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.5.x
MPLS Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.5.x
Segment Routing Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.5.x
BGP Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.5.x
Interface and Hardware Component Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.5.x
IP Addresses and Services Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.5.x
L2VPN Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.5.x
L3VPN Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.5.x
Modular QoS Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.5.x
Multicast Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.5.x
Netflow Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 7.5.x
View all documentation of this type
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
Configure ltrace Scale Factors on ASR9K Route Processors and Line Cards for Efficient Memory Management
24-Nov-2022
Cisco IOS XR Deployment Best Practices for OSPF/IS-IS and BGP Routing
30-Oct-2022
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
Password Recovery
New Password Recovery Procedure on Cisco 8000 and NCS5500 Platform
05-Aug-2021
Support FAQ
Troubleshoot IOS XR September 30 2021 - DST Root CA X3 Certificate Expiry
16-Sep-2021
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
Convergence Mechanism of SR-TE Policy Static Path with TI-LFA Link Protection - IOS XR Release 7.5.X
28-Nov-2022
Understand 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
SNMP Migration to Telemetry on IOS XR
25-Apr-2021
Troubleshoot Quick Reference Command List for TAC Assistance for IOS-XR Routers
03-Apr-2020
Create IS-IS Topology from CLI Output of IOS-XR Router
06-May-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
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
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