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1
IOS XR Introduction
IOS XR Introduction
::2012/06/28::
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2
Google Hangout: Cisco IOS-XR and Command Line
Google Hangout: Cisco IOS-XR and Command Line
::2013/09/30::
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3
Chris Williamson - Intro to IOS XR
Chris Williamson - Intro to IOS XR
::2014/06/20::
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4
Introduction to IOS XR CLI and Configuration
Introduction to IOS XR CLI and Configuration
::2012/09/25::
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5
Overview of IOS XR Routing Policy Language
Overview of IOS XR Routing Policy Language
::2012/09/25::
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6
CIsco IOS XR On GNS3
CIsco IOS XR On GNS3
::2014/04/30::
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7
Overview of IOS XR Software Installation
Overview of IOS XR Software Installation
::2012/09/25::
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8
How to Configure Cisco IOS XR On GNS3
How to Configure Cisco IOS XR On GNS3
::2015/01/14::
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9
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
::2014/06/17::
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10
IOS XR Routing - BGP
IOS XR Routing - BGP
::2012/09/25::
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11
Операционная система IOS-XR, обзор и практика. Специально для linkmeup
Операционная система IOS-XR, обзор и практика. Специально для linkmeup
::2015/02/15::
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12
Running IOS XRv in GNS3
Running IOS XRv in GNS3
::2014/11/25::
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13
Cisco IOS XR Software Manager
Cisco IOS XR Software Manager
::2013/11/26::
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14
IOS XR IS-IS Muli Area Configuration
IOS XR IS-IS Muli Area Configuration
::2013/08/07::
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15
IOS-XR Cisco Support Tasks
IOS-XR Cisco Support Tasks
::2011/02/16::
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16
IOS XRv on VMware workstation (install + tips)
IOS XRv on VMware workstation (install + tips)
::2014/05/05::
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17
IS-IS Route Leaking on IOS XR / IOS XR Routing Policy Language (RPL)
IS-IS Route Leaking on IOS XR / IOS XR Routing Policy Language (RPL)
::2011/10/18::
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18
Download & Install CISCO IOS XRv on VMware workstation
Download & Install CISCO IOS XRv on VMware workstation
::2015/01/18::
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19
Cisco IOS XR Software By Eng-Ahmed Nabil | Arabic
Cisco IOS XR Software By Eng-Ahmed Nabil | Arabic
::2014/10/28::
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20
CCIE Service Provider Lab : MPLS TE on IOS XR, LDP over MPLS TE Tunnels part 1
CCIE Service Provider Lab : MPLS TE on IOS XR, LDP over MPLS TE Tunnels part 1
::2014/12/23::
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21
IOS XR Routing -- IGP
IOS XR Routing -- IGP
::2012/09/25::
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22
23-CCNA Service Provider SPNGN2 (Cisco IOS XE and Cisco IOS XR) By Eng-Ayman Elshawadfy | Arabic
23-CCNA Service Provider SPNGN2 (Cisco IOS XE and Cisco IOS XR) By Eng-Ayman Elshawadfy | Arabic
::2015/01/19::
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23
CCNA Service Provider (SPNGN1) -lesson 26 - Introducing the Cisco IOS XR - part 1
CCNA Service Provider (SPNGN1) -lesson 26 - Introducing the Cisco IOS XR - part 1
::2014/08/08::
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24
IOS XR 2 Stage Commit
IOS XR 2 Stage Commit
::2011/08/11::
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25
Cisco Forum 2013: "Techtorial - ASR9K i IOS-XR" Adam Śniegórski (Cisco Systems)
Cisco Forum 2013: "Techtorial - ASR9K i IOS-XR" Adam Śniegórski (Cisco Systems)
::2013/10/12::
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26
CCNA Service Provider (SPNGN1) -lesson 27 - Introducing the Cisco IOS XR - part 2
CCNA Service Provider (SPNGN1) -lesson 27 - Introducing the Cisco IOS XR - part 2
::2014/08/13::
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27
Cisco Forum 2013: "Techtorial - ASR9K i IOS-XR" Piotr Jabłoński (Cisco Systems)
Cisco Forum 2013: "Techtorial - ASR9K i IOS-XR" Piotr Jabłoński (Cisco Systems)
::2013/10/12::
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28
CCIE Service Provider Lab : MPLS TE on IOS XR, LDP over MPLS TE Tunnels part 2
CCIE Service Provider Lab : MPLS TE on IOS XR, LDP over MPLS TE Tunnels part 2
::2014/12/23::
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29
644-906 - Implementing and Maintaining Cisco Exam Technologies using Test IOS XR Question
644-906 - Implementing and Maintaining Cisco Exam Technologies using Test IOS XR Question
::2014/09/24::
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30
Network Simulator : Cisco, Mikrotik, Junos, IOS-XR
Network Simulator : Cisco, Mikrotik, Junos, IOS-XR
::2014/03/29::
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31
CCIE Service Provider Lab : MPLS TE on IOS XR, LDP over MPLS TE Tunnels part 3
CCIE Service Provider Lab : MPLS TE on IOS XR, LDP over MPLS TE Tunnels part 3
::2014/12/23::
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32
Curso CCNA - Delay IOS XR EIGRP Deep Dive
Curso CCNA - Delay IOS XR EIGRP Deep Dive
::2014/06/20::
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33
Net LineDancer supports Cisco IOS-XR Series!
Net LineDancer supports Cisco IOS-XR Series!
::2014/11/30::
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34
Accelerated Upgrade Tool for Cisco IOS-XR
Accelerated Upgrade Tool for Cisco IOS-XR
::2014/02/04::
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35
Net LineDancer supports Cisco IOS-XR Series!
Net LineDancer supports Cisco IOS-XR Series!
::2014/12/01::
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36
Net LineDancerがCisco IOS-XRシリーズをサポート!
Net LineDancerがCisco IOS-XRシリーズをサポート!
::2014/12/08::
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37
ASR 9000 XR Upgrade using ISSU
ASR 9000 XR Upgrade using ISSU
::2014/03/21::
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38
BFD Configuration and Troubleshooting on Cisco IOS and XR Routers
BFD Configuration and Troubleshooting on Cisco IOS and XR Routers
::2013/12/09::
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39
Building a topology with IOUs, CSR1000v, and IOS XRv
Building a topology with IOUs, CSR1000v, and IOS XRv
::2014/07/09::
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40
Cisco IOS XRv Installation Demo on ESXi 5.x
Cisco IOS XRv Installation Demo on ESXi 5.x
::2014/08/04::
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41
CCNA Service Provider (SPNGN2) lesson 23 - Cisco IOS XE and Cisco IOS XR Software
CCNA Service Provider (SPNGN2) lesson 23 - Cisco IOS XE and Cisco IOS XR Software
::2015/01/20::
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42
Seek Thermal XR Focusable Thermal Imaging for your Smart Phone (New) - SHOT Show 2015
Seek Thermal XR Focusable Thermal Imaging for your Smart Phone (New) - SHOT Show 2015
::2015/01/21::
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43
642-885 - SPADVROUTE Deploying Cisco Exam Service Provider Advanced Test Routing Questions
642-885 - SPADVROUTE Deploying Cisco Exam Service Provider Advanced Test Routing Questions
::2014/09/22::
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44
CCIE Service Provider Lab : IS IS Route Leaking & Routing Policy Language on IOS XR  part 1
CCIE Service Provider Lab : IS IS Route Leaking & Routing Policy Language on IOS XR part 1
::2014/11/27::
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45
Live Webcast: Understanding Cisco ASR 9000 Series Aggregation Services Routers
Live Webcast: Understanding Cisco ASR 9000 Series Aggregation Services Routers
::2013/09/24::
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46
Introduction to the Cisco CRS
Introduction to the Cisco CRS
::2012/09/25::
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47
642-889 - SPEDGE Implementing Cisco Exam Service Edge Network Test Services Questions
642-889 - SPEDGE Implementing Cisco Exam Service Edge Network Test Services Questions
::2014/09/22::
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48
Introduction to the Cisco ASR 9000
Introduction to the Cisco ASR 9000
::2012/10/02::
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49
CCIE Service Provider Lab : Virtual Private LAN Services VPLS part 1
CCIE Service Provider Lab : Virtual Private LAN Services VPLS part 1
::2014/12/23::
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50
Seek Thermal XR Coffee
Seek Thermal XR Coffee
::2015/02/20::
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From Wikipedia, the free encyclopedia
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"IOX" redirects here. For the remote sensing satellite package, see Ionospheric Occultation Experiment.
Line card running IOS XR.

IOS XR is a train of Cisco Systems' widely deployed Internetworking Operating System (IOS), used on their high-end 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 is provided by QNX.[2]

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.[3] The first generally available version was 2.0. The most recent release is version 5.3[4] which was released on 20 January 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[5]

References[edit]

  1. ^ Cisco IOS XR product literature
  2. ^ QNX press release confirming use of their microkernel in IOS XR
  3. ^ Cisco press release announcing CRS-1 and IOS XR
  4. ^ Cisco's release notes, for the various IOS XR versions
  5. ^ Release notes for XR 5.0

External links[edit]

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