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IOS XR Introduction
IOS XR Introduction
Published: 2012/06/28
Channel: INEtraining
Introduction to IOS XR CLI and Configuration
Introduction to IOS XR CLI and Configuration
Published: 2012/09/25
Channel: Cisco
Google Hangout: Cisco IOS-XR and Command Line
Google Hangout: Cisco IOS-XR and Command Line
Published: 2013/09/30
Channel: Cisco Support Community
CCNA Service Provider: IOS XE and XR Software Architecture
CCNA Service Provider: IOS XE and XR Software Architecture
Published: 2016/05/10
Channel: INEtraining
Cisco IOS XRv Installation Demo on ESXi 5.x
Cisco IOS XRv Installation Demo on ESXi 5.x
Published: 2014/08/04
Channel: Cisco CPOC
Cisco Live! :: Introduction to IOS XR for Enterprises and SPs :: BRKARC-1008 | Las Vegas 2017
Cisco Live! :: Introduction to IOS XR for Enterprises and SPs :: BRKARC-1008 | Las Vegas 2017
Published: 2017/09/05
Channel: Bruno Teixeira
Introduction to the Cisco ASR 9000
Introduction to the Cisco ASR 9000
Published: 2012/10/02
Channel: Cisco
Model Driven Telemetry with Cisco IOS XR
Model Driven Telemetry with Cisco IOS XR
Published: 2017/03/31
Channel: Cisco
GNS3 Talks: Cisco IOS-XRv import and configuration Part 1: Don
GNS3 Talks: Cisco IOS-XRv import and configuration Part 1: Don't forget to commit your changes!
Published: 2017/03/08
Channel: David Bombal
Introduction to IOS-XR
Introduction to IOS-XR
Published: 2015/09/14
Channel: Rob Riker
Cisco IOS XR Model-Driven Telemetry with Viktor Osipchuk
Cisco IOS XR Model-Driven Telemetry with Viktor Osipchuk
Published: 2018/01/31
Channel: Tech Field Day
Routing protocol on Cisco XR
Routing protocol on Cisco XR
Published: 2016/05/21
Channel: Jaya Chandran
Model Driven APIs and Programmability in Cisco IOS XR
Model Driven APIs and Programmability in Cisco IOS XR
Published: 2015/11/18
Channel: Tech Field Day
Live Webcast: Understanding Cisco ASR 9000 Series Aggregation Services Routers
Live Webcast: Understanding Cisco ASR 9000 Series Aggregation Services Routers
Published: 2013/09/24
Channel: Cisco Support Community
Advanced Cisco IOS XR Programmability: Model-Driven Manageability with Santiago Alvarez
Advanced Cisco IOS XR Programmability: Model-Driven Manageability with Santiago Alvarez
Published: 2017/09/28
Channel: Tech Field Day
Overview of IOS XR Software Installation
Overview of IOS XR Software Installation
Published: 2012/09/25
Channel: Cisco
IOS XR Routing - BGP
IOS XR Routing - BGP
Published: 2012/09/25
Channel: Cisco
Cisco IOS XR Software Manager
Cisco IOS XR Software Manager
Published: 2013/11/26
Channel: Cisco CPOC
GNS3 Setup for Service Provider with IOS-XR
GNS3 Setup for Service Provider with IOS-XR
Published: 2015/12/21
Channel: Rob Riker
IOS XR Routing -- IGP
IOS XR Routing -- IGP
Published: 2012/09/25
Channel: Cisco
Overview of IOS XR Routing Policy Language
Overview of IOS XR Routing Policy Language
Published: 2012/09/25
Channel: Cisco
Cisco ISO XR in GNS3
Cisco ISO XR in GNS3
Published: 2014/04/22
Channel: idrees ezzi
Advanced Cisco IOS XR Programmability: Service-Layer APIs with Akshat Sharma
Advanced Cisco IOS XR Programmability: Service-Layer APIs with Akshat Sharma
Published: 2017/09/28
Channel: Tech Field Day
Cisco IOS XR Fundamentals
Cisco IOS XR Fundamentals
Published: 2016/11/07
Channel: torres
BFD Configuration and Troubleshooting on Cisco IOS and XR Routers
BFD Configuration and Troubleshooting on Cisco IOS and XR Routers
Published: 2013/12/09
Channel: Cisco Support Community
Downloading IOS XE and IOS XR Software from Cisco for Lab Practice
Downloading IOS XE and IOS XR Software from Cisco for Lab Practice
Published: 2017/05/09
Channel: Rob Riker
Cisco IOS XR Fundamentals
Cisco IOS XR Fundamentals
Published: 2016/12/15
Channel: Ali Ludowici
Cisco Network Dashboard and IOS XR Deep Dive
Cisco Network Dashboard and IOS XR Deep Dive
Published: 2015/11/18
Channel: Tech Field Day
Running IOS XRv in GNS3
Running IOS XRv in GNS3
Published: 2014/11/26
Channel: routergods
Cisco IOS XR Software By Eng-Ahmed Nabil | Arabic
Cisco IOS XR Software By Eng-Ahmed Nabil | Arabic
Published: 2014/10/28
Channel: Free4arab | Information Technology
Cisco ASR 9k upgrade part 1
Cisco ASR 9k upgrade part 1
Published: 2015/10/18
Channel: jerome amon
Cisco IOS XR Fundamentals
Cisco IOS XR Fundamentals
Published: 2017/05/09
Channel: Linda Henry
Cisco NCS5500 IOS XR RPM install
Cisco NCS5500 IOS XR RPM install
Published: 2016/02/22
Channel: Nicolas Fevrier
IOS-XR Cisco Support Tasks
IOS-XR Cisco Support Tasks
Published: 2011/02/17
Channel: Cisco Support Community
GNS3 Talks: Cisco IOS-XRv import and configuration Part 3: OSPF IOS-XRv and IOSv
GNS3 Talks: Cisco IOS-XRv import and configuration Part 3: OSPF IOS-XRv and IOSv
Published: 2017/03/10
Channel: David Bombal
Configuring GNS3 to run IOSv, IOSv L2 and IOS XR
Configuring GNS3 to run IOSv, IOSv L2 and IOS XR
Published: 2017/03/12
Channel: Rob Riker
EVE Advancing Part 5 | Cisco IOS-XR & ASA | Omar Adil
EVE Advancing Part 5 | Cisco IOS-XR & ASA | Omar Adil
Published: 2017/05/21
Channel: Omar Adil
Cloud-scale Ethernet VPN (EVPN) with IOS XR
Cloud-scale Ethernet VPN (EVPN) with IOS XR
Published: 2017/03/31
Channel: Cisco
SP IOS-XR - Basic Setup of IOS XR, Enabling EIGRP
SP IOS-XR - Basic Setup of IOS XR, Enabling EIGRP
Published: 2016/01/27
Channel: Rob Riker
Cisco XRv 9000 Installation on ESXi
Cisco XRv 9000 Installation on ESXi
Published: 2016/02/21
Channel: Nicolas Fevrier
Accelerated Upgrade Tool for Cisco IOS-XR
Accelerated Upgrade Tool for Cisco IOS-XR
Published: 2014/02/04
Channel: Cisco CPOC
Net LineDancer supports Cisco IOS-XR Series!
Net LineDancer supports Cisco IOS-XR Series!
Published: 2014/12/01
Channel: LogicVeinUS
IOS XR Instalación y actualización del Software e Introducción al Cisco Software Manager
IOS XR Instalación y actualización del Software e Introducción al Cisco Software Manager
Published: 2014/06/17
Channel: Comunidad de Soporte de Cisco en Español
Cisco IOS XRv Upload and configuration on EVE NG or UNetLab %  IOS XRv image to EVE NG lab 2018
Cisco IOS XRv Upload and configuration on EVE NG or UNetLab % IOS XRv image to EVE NG lab 2018
Published: 2017/12/06
Channel: InterNetwork Training
SP Vlog 1 - Groups and Apply Groups in IOS XR
SP Vlog 1 - Groups and Apply Groups in IOS XR
Published: 2017/05/02
Channel: Rob Riker
IOS XR IS-IS Muli Area Configuration
IOS XR IS-IS Muli Area Configuration
Published: 2013/08/07
Channel: Daniel Rodriguez
IOS XR 2 Stage Commit
IOS XR 2 Stage Commit
Published: 2011/08/12
Channel: CiscoStudyGroup
Orchestrating Cisco IOS-XR telemetry and docker with cisco NSO
Orchestrating Cisco IOS-XR telemetry and docker with cisco NSO
Published: 2016/09/12
Channel: Nickolay Belchugov
How to query Cisco IOS-XR telemetry data inside a Influxdb
How to query Cisco IOS-XR telemetry data inside a Influxdb
Published: 2017/10/01
Channel: Guan Deng
Net LineDancer supports Cisco IOS-XR Series!
Net LineDancer supports Cisco IOS-XR Series!
Published: 2014/12/01
Channel: LogicVeinUS
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
  (Redirected from IOS-XR)
Jump to: navigation, search
Line card running IOS XR.

IOS XR is a train of Cisco Systems' widely deployed Internetworking Operating System (IOS), used on their high-end Network Converging System (NCS), carrier-grade routers such as the CRS series, 12000 series, and ASR9000 series.

Architecture[edit]

According to Cisco's product literature, IOS XR shares very little infrastructure with the other IOS trains, and is instead built upon a "preemptive, memory protected, multitasking, microkernel-based operating system".[1] The microkernel was formerly provided by QNX[2]; versions 6.0 onwards use the Wind River Linux distribution.[3]

IOS XR aims to provide the following advantages over the earlier IOS trains:

  • Improved high availability (largely through support for hardware redundancy and fault containment methods such as protected memory spaces for individual processes and process restartability)
  • Better scalability for large hardware configurations (through a distributed software infrastructure and a two-stage forwarding architecture)
  • A package based software distribution model (allowing optional features such as multicast routing and MPLS to be installed and removed while the router is in service)
  • The ability to install package upgrades and patches (potentially while the router remains in service)
  • A web-based GUI for system management (making use of a generic, XML management interface)

History[edit]

IOS XR was announced along with the CRS-1 in May 2004.[4] The first generally available version was 2.0. The most recent release is version 6.0[5] which was released on 23 December 2015.

Other significant releases include the following.

  • 3.2 – first generally available version for the 12000 router series
  • 3.9 – first generally available version for the ASR9000 series
  • 5.0 (20 September 2013) – first generally available version for the NCS6000 series, which is based upon a Linux kernel[6]
  • 6.1.1 - Introduces support for the 64-bit Linux-based IOS XR operating system on ASR9000 series [7]

Differences between IOS and IOS XR[edit]

Example BGP configuration for both IOS and IOS XR. More examples can be found in the Cisco document Converting Cisco IOS Configurations to Cisco IOS XR Configurations.[8]

! Cisco IOS
!
router bgp 109
  no synchronization
  bgp log-neighbor-changes
  neighbor 203.0.113.1 remote-as 109
  neighbor 203.0.113.1 update-source Loopback0
  no auto-summary
!
! Cisco IOS XR
!
router bgp 109
  neighbor 203.0.113.1
    remote-as 109
    update-source Loopback0
  !
!


References[edit]

External links[edit]

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