https://www.computerweekly.com/news/2240039601/Cisco-hardening-guides-for-IOS-IOS-XR-and-NX-OS-devices
Cisco hardening guides for IOS, IOS-XR and NX-OS devices | Computer Weekly
for ios
https://www.cisco.com/c/en/us/td/docs/iosxr/collections/xr-licensing-content.html
Cisco IOS XR Software - Cisco IOS XR Licensing - Cisco
Cisco IOS XR Licensing
cisco ios xrsoftwarelicensing
https://www.cisco.com/c/en/us/support/ios-nx-os-software/ios-xr-software-end-of-sale/series.html
Cisco IOS XR Software (End-of-Sale) - Support - Cisco
cisco ios xrend of salesoftwaresupport
https://www.cisco.com/c/en/us/support/ios-nx-os-software/ios-xr-software-end-of-sale/products-user-guide-list.html
Cisco IOS XR Software (End-of-Sale) - End-User Guides - Cisco
cisco ios xrend of salesoftwareuserguides
https://www.informit.com/store/cisco-ios-xr-fundamentals-9781587140068
Cisco IOS XR Fundamentals | InformIT
This is the eBook version of the printed book. If the print book includes a CD-ROM, this content is not included within the eBook version.Cisco IOS-XR...
cisco ios xrfundamentalsinformit
https://securityaffairs.com/182144/security/cisco-fixes-high-severity-ios-xr-flaws-enabling-image-bypass-and-dos.html
Cisco fixes high-severity IOS XR flaws enabling image bypass and DoS
Sep 12, 2025 - Cisco addressed multiple high-severity IOS XR vulnerabilities that can allow ISO image verification bypass and trigger DoS conditions.
ios xr
https://www.sentinelone.com/vulnerability-database/cve-2025-20209/
CVE-2025-20209: Cisco IOS XR IKEv2 DoS Vulnerability
CVE-2025-20209 is a denial of service vulnerability in Cisco IOS XR Software. Learn about its impact, affected versions, and mitigation methods.
cisco ios xrcve2025ikev2dos
https://www.informit.com/store/cisco-ios-xr-fundamentals-9781587052712?w_ptgrevartcl=Cisco+IOS+XR+Security_1351983
Cisco IOS XR Fundamentals | InformIT
Cisco IOS-XR Reference Guide is a systematic, authoritative guide to configuring routers with Cisco's next-generation flagship Internet Operating system,...
cisco ios xrfundamentalsinformit
https://www.cisco.com/c/en/us/td/docs/iosxr/licensing/article/ios-xr-smart-licensing-using-policy.html
Smart Licensing Using Policy for IOS XR - Cisco
Cisco IOS XR Smart Licensing Using Policy
for iossmartlicensingusingpolicy
https://xrdocs.io/
XRdocs - Cisco IOS XR Documentation
Technical documentation, tutorials, and blogs for Cisco IOS XR network engineers. Learn automation, telemetry, segment routing, programmability, and more.
cisco ios xrdocumentation
https://securityaffairs.com/108936/hacking/cisco-fixes-ios-xr-flaws.html
Cisco fixes actively exploited issues in IOS XR Network OS
Sep 30, 2020 - Cisco addressed two actively exploited DoS vulnerabilities that reside in the IOS XR software that runs on multiple carrier-grade routers.
ios xrciscofixesactivelyexploited
https://e-vpn.io/
Cisco IOS-XR EVPN
cisco ios xrevpn
https://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-xr-software/213339-find-yang-models-in-cisco-ios-xr-softwar.html
Find YANG Models in Cisco IOS XR Software (cXR and eXR) - Cisco
This document describes how to find Yet Another Next Generation (YANG) models on a router.
cisco ios xrfindyangmodels
https://www.cisco.com/c/en/us/td/docs/iosxr/cisco8000/ip-addresses/24xx/configuration/guide/b-ip-addresses-cg-8k-24xx/implementing-network-stack-ipv4-and-ipv6.html
IP Addresses and Services Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 24.1.x,...
Implementing Network Stack IPv4 and IPv6
https://www.cisco.com/c/en/us/td/docs/optical/ncs1004/77x/configuration/guide/b-configuration-guide-ncs1004-r77x/b-configuration-guide-ncs1004-r711_chapter_0101.html
Configuration Guide for Cisco NCS 1004, IOS XR Release 7.7.x - Layer 1 Encryption [Cisco Network...
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/system-setup/78x/b-system-setup-cg-78x-ncs540/understanding-software-modularity-and-installation.html
System Setup and Software Installation Guide for Cisco NCS 540 Series Routers, IOS XR Release 7.8.x...
Install Cisco IOS XR7 on NCS 540 Series Routers
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5000/sysman/79x/b-system-management-cg-ncs5000-79x/configuring-terminals.html
System Management Configuration Guide for Cisco NCS 5000 Series Routers, IOS XR Release 7.9.x -...
Configuring Physical and Virtual Terminals
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/routing/24xx/b-routing-cg-24xx-ncs540/implementing-is-is.html
Routing Configuration Guide for Cisco NCS 540 Series Routers, IOS XR Release 24.1.x, 24.2.x,...
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r7-9/system-setup/configuration/guide/b-system-setup-cg-asr9000-79x/m_upgrading_fpd_on_cisco_ios_xr_software.html
System Setup and Software Installation Guide for Cisco ASR 9000 Series Routers, IOS XR Release...
Upgrade Field-Programmable Devices.
https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-3/adv_system/command/reference/b_advsys_cr43xr12k/advsys_cr43xr12k_CLT_chapter.html
Cisco IOS XR Advanced System Command Reference for the Cisco XR 12000 Router, Release 4.3.x - Index...
Cisco IOS XR Advanced System Command Reference for the Cisco XR 12000 Router, Release 4.3.x -index
https://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-xr-software/200110-High-CPU-utilisation-by-alarm-logger-pro.html
High CPU Utilisation By alarm-logger Process on Routers Running IOS-XR - Cisco
tacacsd is an IOS XR process which is associated with Tacacs AAA service.
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r7-9/system-setup/configuration/guide/b-system-setup-cg-asr9000-79x/create-user-profiles-and-assign-privileges.html
System Setup and Software Installation Guide for Cisco ASR 9000 Series Routers, IOS XR Release...
This chapter provides the procedure to create user groups, users, command rules, and data rules along with the procedure to recover password using PXE boot and...
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/25xx/telemetry/configuration/guide/b-telemetry-cg-asr9000-25xx/new-and-changed-telemetry-features.html
Telemetry Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 25.1.x, 25.2.x,...
New and Changed Feature Information
https://www.prnewswire.com/news-releases/iphone-17---xr-locked-to-prior-owner-how-to-unlock-with-itoolab-unlockgo-ios-302684233.html
iPhone 17 - XR Locked to Prior Owner? How to Unlock with iToolab UnlockGo iOS
/PRNewswire/ -- "My iPhone 17 has been locked to prior owner and I can't use it." If you bought a second-hand iPhone 17, or you factory reset the device but...
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/segment-routing/26xx/b-segment-routing-cg-26xx-ncs540/configure-performance-measurement.html
Segment Routing Configuration Guide for Cisco NCS 540 Series Routers, IOS XR Release 26.1.x -...
Configure Performance Measurement
https://www.cisco.com/c/en/us/td/docs/iosxr/cisco8000/ip-addresses/24xx/configuration/guide/b-ip-addresses-cg-8k-24xx/implementing-dhcp.html
IP Addresses and Services Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 24.1.x,...
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/710x/bng/configuration/guide/b-bng-cg-asr9000-710x/activating-control-policy.html
Broadband Network Gateway Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release...
Activating Control Policy
broadband network gateway
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/system-setup/78x/b-system-setup-cg-78x-ncs540/overview.html
System Setup and Software Installation Guide for Cisco NCS 540 Series Routers, IOS XR Release 7.8.x...
Overview of the Router
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/710x/bng/configuration/guide/b-bng-cg-asr9000-710x/establishing-subscriber-sessions.html
Broadband Network Gateway Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release...
Establishing Subscriber Sessions
broadband network gateway
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/interfaces/710x/b-interfaces-hardware-component-cg-ncs5500-710x/preface.html
Interface and Hardware Component Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR...
https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-3/interfaces/command/reference/b_interfaces_cr43xxr12k/b_interfaces_cr43xxr12k_chapter_01111.html
Cisco IOS XR Interface and Hardware Component Command Reference for the Cisco XR 12000 Series...
Cisco IOS XR Interface and Hardware Component Command Reference for the Cisco XR 12000 Series Router, Release 4.3.x -T3, E3, T1, E1 Controller Commands on the...
cisco ios xr
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/ip-addresses/711x/configuration/guide/b-ip-addresses-cg-ncs5500-711x/implementing-lpts.html
IP Addresses and Services Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release...
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/system-security/710x/configuration/guide/b-system-security-cg-710x-ncs540/yang-data-models-for-system-security-features.html
System Security Configuration Guide for Cisco NCS 540 Series Routers, IOS XR Release 7.10.x - YANG...
This chapter provides information about the YANG data models for system security features on Cisco IOS XR routers.
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5000/sysman/79x/b-system-management-cg-ncs5000-79x/configuring-snmp.html
System Management Configuration Guide for Cisco NCS 5000 Series Routers, IOS XR Release 7.9.x -...
Configuring Simple Network Management Protocol
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/ipaddress/711x/b-ip-addresses-cg-711x-ncs540/implementing-hsrp.html
IP Addresses and Services Configuration Guide for Cisco NCS 540 Series Routers, IOS XR Release...
https://www.cisco.com/c/en/us/td/docs/optical/ncs1010/710x/configuration/guide/b-ncs1010-dathpath-config-guide-710x/connection-verification.html
Cisco NCS 1010 Datapath Configuration Guide, IOS XR Release 7.10.x - Connection Verification [Cisco...
Connection Verification
https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-3/mpls/configuration/guide/b_mpls_cg43xxr12k/b_mpls_cg43xr12k_chapter_010.html
Cisco IOS XR MPLS Configuration Guide for the Cisco XR 12000 Series Router, Release 4.3.x -...
Cisco IOS XR MPLS Configuration Guide for the Cisco XR 12000 Series Router, Release 4.3.x-Implementing RSVP for MPLS-TE and MPLS O-UNI
https://www.cisco.com/c/en/us/td/docs/optical/ncs1010/26xx/optical-apps/guide/optical-apps-config-guide-26xx/bfr.html
Cisco NCS 1010 Optical Applications Configuration Guide, IOS XR Release 26.x.x - Band Failure...
This chapter explains how to configure and monitor automated power profile adjustments on Cisco NCS 1010 systems to mitigate signal degradation. It ensures...
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/710x/bng/configuration/guide/b-bng-cg-asr9000-710x/configuring-aaa-functions.html
Broadband Network Gateway Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release...
Configuring Authentication, Authorization, and Accounting Functions
broadband network gateway
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/system-setup/79x/b-system-setup-cg-ncs5500-79x/m-performing-system-upgrade-and-installing-packages.html
System Setup and Software Installation Guide for Cisco NCS 5500 Series Routers, IOS XR Release...
This topic helps to perform system upgrade and installation of feature packages that includes upgrading the system, features, Cisco IOS XR versions and...
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/system-setup/79x/b-system-setup-cg-ncs5500-79x/m-perform-disaster-recovery.html
System Setup and Software Installation Guide for Cisco NCS 5500 Series Routers, IOS XR Release...
Reimage the router using USB drive and iPXE
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/system-management/79x/b-system-management-cg-79x-ncs540/implementing-object-tracking.html
System Management Configuration Guide for Cisco NCS 540 Series Routers, IOS XR Release 7.9.x -...
Configuring Object Tracking
https://www.cisco.com/c/en/us/td/docs/iosxr/cisco8000/ip-addresses/24xx/configuration/guide/b-ip-addresses-cg-8k-24xx/implementing-host-services-and-applications.html
IP Addresses and Services Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 24.1.x,...
Implementing Host Services and Applications
https://www.cisco.com/c/en/us/td/docs/optical/ncs1004/72x/configuration/guide/b-configuration-guide-ncs1004-r721/m-usb-automount-ncs1004.html
Configuration Guide for Cisco NCS 1004, IOS XR Release 7.2.1 - USB Device Automount [Cisco Network...
USB Device Automount
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/segment-routing/26xx/b-segment-routing-cg-26xx-ncs540/configure-segment-routing-microloop-avoidance.html
Segment Routing Configuration Guide for Cisco NCS 540 Series Routers, IOS XR Release 26.1.x -...
Configure Segment Routing Microloop Avoidance
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/general/76x/release/notes/b-release-notes-ncs5500-r762.html
Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.6.2 - Cisco
Quick Start Guide: Release Notes for Cisco NCS 5500 Series Routers, IOS XR Release 7.6.2
cisco ncs 5500
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/ip-addresses/711x/configuration/guide/b-ip-addresses-cg-ncs5500-711x/new-and-changed.html
IP Addresses and Services Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release...
New and Changed IP Addresses and Services Features
https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-3/interfaces/command/reference/b_interfaces_cr43xxr12k/b_interfaces_cr43xxr12k_chapter_01011.html
Cisco IOS XR Interface and Hardware Component Command Reference for the Cisco XR 12000 Series...
Cisco IOS XR Interface and Hardware Component Command Reference for the Cisco XR 12000 Series Router, Release 4.3.x -Packet-over-SONET Interface Commands on...
cisco ios xr
https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-3/interfaces/command/reference/b_interfaces_cr43xxr12k/b_interfaces_cr43xxr12k_chapter_01.html
Cisco IOS XR Interface and Hardware Component Command Reference for the Cisco XR 12000 Series...
Cisco IOS XR Interface and Hardware Component Command Reference for the Cisco XR 12000 Series Router, Release 4.3.x -ATM Commands on the Cisco IOS XR Software
cisco ios xr
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5000/sysman/79x/b-system-management-cg-ncs5000-79x/configuring-manageability.html
System Management Configuration Guide for Cisco NCS 5000 Series Routers, IOS XR Release 7.9.x -...
Configuring Manageability
https://www.cisco.com/c/en/us/td/docs/iosxr/cisco8000/ip-addresses/24xx/configuration/guide/b-ip-addresses-cg-8k-24xx/implementing-lpts.html
IP Addresses and Services Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 24.1.x,...
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/programmability/26xx/configuration/guide/b-programmability-cg-ncs5500-26xx/event-scripts.html
Programmability Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 26.1.x - EEM...
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/system-management/79x/b-system-management-cg-79x-ncs540/y1564-sadt.html
System Management Configuration Guide for Cisco NCS 540 Series Routers, IOS XR Release 7.9.x -...
Y.1564 - Ethernet Service Activation Test
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/segment-routing/26xx/b-segment-routing-cg-26xx-ncs540/configure-segment-routing-for-ospf-protocol.html
Segment Routing Configuration Guide for Cisco NCS 540 Series Routers, IOS XR Release 26.1.x -...
Configure Segment Routing for OSPF Protocol
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs560/mpls/72x/b-mpls-cg-72x-ncs560/auto-capacity.html
MPLS Configuration Guide for Cisco NCS 560 Series Routers, Cisco IOS XR Release 7.2.x - Configuring...
Configuring Auto-bandwidth Bundle TE++
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/segment-routing/26xx/b-segment-routing-cg-26xx-ncs540/configure-segment-routing-for-is-is-protocol.html
Segment Routing Configuration Guide for Cisco NCS 540 Series Routers, IOS XR Release 26.1.x -...
Configure Segment Routing for IS-IS Protocol
https://www.cisco.com/c/en/us/td/docs/optical/ncs1004/72x/configuration/guide/b-configuration-guide-ncs1004-r721/m-new-and-changed-721.html
Configuration Guide for Cisco NCS 1004, IOS XR Release 7.2.1 - New and Changed Information [Cisco...
New and Changed Information
https://www.cisco.com/c/en/us/support/docs/content-networking/extensible-markup-language-xml/221700-troubleshoot-xml-for-cisco-ios-xr.html
Troubleshoot XML for Cisco IOS XR - Cisco
This document describes XML memory throttle issues seen in service requests and Cisco tools.
cisco iostroubleshootxmlxr
https://www.phonearena.com/news/ios-26-liquid-glass_id171161
iOS 26 arrives with the Liquid Glass visual overhaul this fall, iPhone Xs and XR get dropped -...
iOS 26 is here with a major redesign in tow!
https://www.cisco.com/c/en/us/td/docs/optical/ncs1014/25xx/system-setup/guide/b-ncs1014-system-setup-guide-r25-x-x/m_perform_preliminary_checks_ncs-1014.html
System Setup and Software Installation Guide for Cisco NCS 1014, IOS XR Releases 25.x.x - Perform...
Perform Preliminary Checks
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/interfaces/710x/b-interfaces-hardware-component-cg-ncs5500-710x/advanced-configuration-modification-management-ethernet-interface.html
Interface and Hardware Component Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR...
Understand how to configure router Management Ethernet interfaces for network access and protocol use.
https://www.cisco.com/c/en/us/td/docs/optical/ncs1014/25xx/system-setup/guide/b-ncs1014-system-setup-guide-r25-x-x/m-disaster-recovery-ncs1014.html
System Setup and Software Installation Guide for Cisco NCS 1014, IOS XR Releases 25.x.x - Disaster...
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/programmability/26xx/configuration/guide/b-programmability-cg-ncs5500-26xx/service-layer-api.html
Programmability Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 26.1.x - Use...
Use Service Layer API to Bring your Controller on Cisco IOS XR Router
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/programmability/26xx/configuration/guide/b-programmability-cg-ncs5500-26xx/use-grpc-protocol-to-define-network-operations-with-data-models.html
Programmability Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release 26.1.x - Use...
Use gRPC Protocol to Define Network Operations with Data Models
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs560/mpls/72x/b-mpls-cg-72x-ncs560/m-mpls-te-ncs5xx.html
MPLS Configuration Guide for Cisco NCS 560 Series Routers, Cisco IOS XR Release 7.2.x -...
Implementing MPLS Traffic Engineering
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/segment-routing/26xx/b-segment-routing-cg-26xx-ncs540/using-segment-routing-oam.html
Segment Routing Configuration Guide for Cisco NCS 540 Series Routers, IOS XR Release 26.1.x - Using...
Using Segment Routing OAM
https://www.gadgets360.com/mobiles/news/ios-12-1-beautygate-iphone-xs-iphone-xr-selfie-shots-smart-hdr-1936425
iOS 12.1 to Bring Fix for 'Beautygate' on iPhone XS, iPhone XR | Technology News
Oct 23, 2018 - Apple has reportedly confirmed that the upcoming iOS 12.1 software update will improve selfie quality on the iPhone XS and iPhone XR.
ios 12 1
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs560/mpls/72x/b-mpls-cg-72x-ncs560/m-wsrlg-protection.html
MPLS Configuration Guide for Cisco NCS 560 Series Routers, Cisco IOS XR Release 7.2.x - Configuring...
Configuring Global Weighted SRLG Protection
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/system-management/79x/b-system-management-cg-79x-ncs540/implementing-cdp.html
System Management Configuration Guide for Cisco NCS 540 Series Routers, IOS XR Release 7.9.x -...
Configuring Cisco Discovery Protocol
https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-3/interfaces/command/reference/b_interfaces_cr43xxr12k/b_interfaces_cr43xxr12k_chapter_01101.html
Cisco IOS XR Interface and Hardware Component Command Reference for the Cisco XR 12000 Series...
Cisco IOS XR Interface and Hardware Component Command Reference for the Cisco XR 12000 Series Router, Release 4.3.x -Serial Interface Commands on the Cisco IOS...
cisco ios xr
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/ip-addresses/711x/configuration/guide/b-ip-addresses-cg-ncs5500-711x/yang-data-models-for-ip-addressing-features.html
IP Addresses and Services Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR Release...
YANG Data Models for IP Addressing Features
https://www.cisco.com/c/en/us/td/docs/optical/ncs1004/72x/configuration/guide/b-configuration-guide-ncs1004-r721/m-configurepm-ncs1004.html
Configuration Guide for Cisco NCS 1004, IOS XR Release 7.2.1 - Performance Monitoring [Cisco...
Performance Monitoring
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/interfaces/710x/b-interfaces-hardware-component-cg-ncs5500-710x/configuring-ethernet-interfaces.html
Interface and Hardware Component Configuration Guide for Cisco NCS 5500 Series Routers, IOS XR...
Gain insights about Ethernet interface configuration, including LLDP, carrier delay, breakout mode, priority flow control, and optical transport networks.
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/system-security/710x/configuration/guide/b-system-security-cg-710x-ncs540/reimage-protection-for-routers.html
System Security Configuration Guide for Cisco NCS 540 Series Routers, IOS XR Release 7.10.x -...
Reimage Protection for Routers
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/system-setup/79x/b-system-setup-cg-ncs5500-79x/m-understanding-modularity-and-installation.html
System Setup and Software Installation Guide for Cisco NCS 5500 Series Routers, IOS XR Release...
This chapter provides the software deliverables, terminologies used, and the supported packages to understand the software modularity and installation.
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r7-9/system-setup/configuration/guide/b-system-setup-cg-asr9000-79x/provision-ztp.html
System Setup and Software Installation Guide for Cisco ASR 9000 Series Routers, IOS XR Release...
This chapter is about provisioning network devices using ZTP which includes building the configuration file, authentication on data ports, setting up DHCP...
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/system-setup/79x/b-system-setup-cg-ncs5500-79x/m-perform-prelim-checks.html
System Setup and Software Installation Guide for Cisco NCS 5500 Series Routers, IOS XR Release...
Helps to perform preliminary checks such as verifying software version, active VMs, hardware modules status, firmware version, SDR information, and interface...
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs560/segment-routing/71x/b-segment-routing-cg-71x-ncs560/b-segment-routing-cg-71x-ncs560_chapter_0110.html
Segment Routing Configuration Guide for Cisco NCS 560 Series Routers, IOS XR Release 7.1.x -...
Configure Segment Routing Path Computation Element
https://www.cisco.com/c/en/us/td/docs/optical/ncs1004/72x/configuration/guide/b-configuration-guide-ncs1004-r721/encryption-map.html
Configuration Guide for Cisco NCS 1004, IOS XR Release 7.2.1 - Layer 1 Encryption [Cisco Network...
https://www.cisco.com/c/en/us/td/docs/iosxr/cisco8000/ip-addresses/24xx/configuration/guide/b-ip-addresses-cg-8k-24xx/preface.html
IP Addresses and Services Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 24.1.x,...
https://www.cisco.com/c/en/us/td/docs/optical/ncs1010/26xx/optical-apps/guide/optical-apps-config-guide-26xx/ospf.html
Cisco NCS 1010 Optical Applications Configuration Guide, IOS XR Release 26.x.x - Topology Discovery...
This chapter explains how to configure OSPF on NCS 1010 platforms for topology discovery and communication. This chapter provides instructions for defining...
https://www.cisco.com/c/en/us/td/docs/optical/ncs1004/77x/configuration/guide/b-configuration-guide-ncs1004-r77x/b-configuration-guide-ncs1004-r711_chapter_01000.html
Configuration Guide for Cisco NCS 1004, IOS XR Release 7.7.x - Smart Licensing [Cisco Network...
https://www.cisco.com/c/en/us/td/docs/optical/ncs1014/25xx/system-setup/guide/b-ncs1014-system-setup-guide-r25-x-x/m-bringup-ncs1014.html
System Setup and Software Installation Guide for Cisco NCS 1014, IOS XR Releases 25.x.x - Bring-up...
Bring-up Cisco NCS 1014
https://www.cisco.com/c/en/us/td/docs/optical/ncs1004/72x/configuration/guide/b-configuration-guide-ncs1004-r721/m-remote-management.html
Configuration Guide for Cisco NCS 1004, IOS XR Release 7.2.1 - Understanding Remote Node Management...
Understanding Remote Node Management Using GCC
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5xx/system-security/710x/configuration/guide/b-system-security-cg-710x-ncs540/macsec-using-eap-tls-authentication.html
System Security Configuration Guide for Cisco NCS 540 Series Routers, IOS XR Release 7.10.x -...
MACSec Using EAP-TLS Authentication
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/system-setup/79x/b-system-setup-cg-ncs5500-79x/m-install-ios-xr-software.html
System Setup and Software Installation Guide for Cisco NCS 5500 Series Routers, IOS XR Release...
This chapter provides the workflow for installing the Cisco IOS XR software.
https://www.cisco.com/c/en/us/td/docs/iosxr/cisco8000/ip-addresses/24xx/configuration/guide/b-ip-addresses-cg-8k-24xx/m-implementing-hsrp-cisco8k.html
IP Addresses and Services Configuration Guide for Cisco 8000 Series Routers, IOS XR Release 24.1.x,...
https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-3/interfaces/command/reference/b_interfaces_cr43xxr12k/b_interfaces_cr43xxr12k_chapter_01100.html
Cisco IOS XR Interface and Hardware Component Command Reference for the Cisco XR 12000 Series...
Cisco IOS XR Interface and Hardware Component Command Reference for the Cisco XR 12000 Series Router, Release 4.3.x -PPP Commands onthe Cisco IOS XR Software
cisco ios xr
https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5000/sysman/79x/b-system-management-cg-ncs5000-79x/upgrading-fpd.html
System Management Configuration Guide for Cisco NCS 5000 Series Routers, IOS XR Release 7.9.x -...
Upgrading Field-Programmable Devices
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/migration/guide/b-migration-to-ios-xr-64-bit/m-migration-overview.html
Migration Guide for Cisco ASR 9000 Series Routers - Migrating from Cisco IOS XR 32-bit to 64-bit OS...
Migrating from Cisco IOS XR 32-bit to 64-bit OS
https://appleinsider.com/articles/25/06/04/iphone-xs-iphone-xr-probably-wont-have-ios-26-support
iPhone XS, iPhone XR probably won't have iOS 26 support
While most iPhones that currently support iOS 18 will be able to use iOS 26, the iPhone XS, XS Max, and iPhone XR are probably going to get cut from the...
iphone xswon tios 26xrprobably
https://thehackernews.com/2020/09/cisco-issue-warning-over-ios-xr-zero.html
Cisco Issues Warning Over IOS XR Zero-Day Flaw Being Targeted in the Wild
Cisco Issue Warning Over IOS XR Zero-Day Flaw Being Targeted in the Wild
https://www.cisco.com/c/en/us/td/docs/optical/ncs1004/72x/configuration/guide/b-configuration-guide-ncs1004-r721/m-ncs1004-overview.html
Configuration Guide for Cisco NCS 1004, IOS XR Release 7.2.1 - Cisco NCS 1004 Overview [Cisco...
Cisco NCS 1004 Overview
https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-3/interfaces/command/reference/b_interfaces_cr43xxr12k/b_interfaces_cr43xxr12k_chapter_0100.html
Cisco IOS XR Interface and Hardware Component Command Reference for the Cisco XR 12000 Series...
Cisco IOS XR Interface and Hardware Component Command Reference for the Cisco XR 12000 Series Router, Release 4.3.x -Ethernet OAM Commands on the Cisco IOS XR...
cisco ios xr