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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
Introduction to IOS XR CLI and Configuration
Introduction to IOS XR CLI and Configuration
::2012/09/25::
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4
Overview of IOS XR Routing Policy Language
Overview of IOS XR Routing Policy Language
::2012/09/25::
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5
CIsco IOS XR On GNS3
CIsco IOS XR On GNS3
::2014/04/30::
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6
IOS XR IS-IS Muli Area Configuration
IOS XR IS-IS Muli Area Configuration
::2013/08/07::
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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
Chris Williamson - Intro to IOS XR
Chris Williamson - Intro to IOS XR
::2014/06/20::
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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
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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11
IOS XRv on VMware workstation (install + tips)
IOS XRv on VMware workstation (install + tips)
::2014/05/05::
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12
IOS XR Routing - BGP
IOS XR Routing - BGP
::2012/09/25::
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13
How to Configure Cisco IOS XR On GNS3
How to Configure Cisco IOS XR On GNS3
::2015/01/14::
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14
IOS XR 2 Stage Commit
IOS XR 2 Stage Commit
::2011/08/11::
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15
Cisco IOS XR Software Manager
Cisco IOS XR Software Manager
::2013/11/26::
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16
Running IOS XRv in GNS3
Running IOS XRv in GNS3
::2014/11/25::
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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
Accelerated Upgrade Tool for Cisco IOS-XR
Accelerated Upgrade Tool for Cisco IOS-XR
::2014/02/04::
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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
Network Simulator : Cisco, Mikrotik, Junos, IOS-XR
Network Simulator : Cisco, Mikrotik, Junos, IOS-XR
::2014/03/29::
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21
IOS-XR Cisco Support Tasks
IOS-XR Cisco Support Tasks
::2011/02/16::
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22
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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23
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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24
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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25
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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26
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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27
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
::2014/12/22::
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28
Net LineDancer supports Cisco IOS-XR Series!
Net LineDancer supports Cisco IOS-XR Series!
::2014/12/01::
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29
Curso CCNA - Delay IOS XR EIGRP Deep Dive
Curso CCNA - Delay IOS XR EIGRP Deep Dive
::2014/06/20::
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30
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
::2014/12/22::
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31
ios xr
ios xr
::2015/01/20::
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32
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
::2014/12/22::
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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
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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35
IOS XR Routing -- IGP
IOS XR Routing -- IGP
::2012/09/25::
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36
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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37
ASR 9000 XR Upgrade using ISSU
ASR 9000 XR Upgrade using ISSU
::2014/03/21::
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38
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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39
MPLS LDP LABEL FILTERING ON CISCO IOS
MPLS LDP LABEL FILTERING ON CISCO IOS
::2013/11/13::
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40
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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41
Introduction to the Cisco CRS
Introduction to the Cisco CRS
::2012/09/25::
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42
Cisco OS emulator
Cisco OS emulator
::2014/07/27::
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43
Introduction to the Cisco ASR 9000
Introduction to the Cisco ASR 9000
::2012/10/02::
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44
Remotely triggered ABF and Arbor TMS in Cisco CRS CGSE Demo
Remotely triggered ABF and Arbor TMS in Cisco CRS CGSE Demo
::2013/08/02::
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45
Introduction to JunOS :: JunOS CLI Basics :: Part 1
Introduction to JunOS :: JunOS CLI Basics :: Part 1
::2014/10/21::
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46
CCIE Service Provider Lab : IS IS Route Leaking & Routing Policy Language on IOS XR  part 2
CCIE Service Provider Lab : IS IS Route Leaking & Routing Policy Language on IOS XR part 2
::2014/11/27::
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47
Introduction to JunOS :: IPv4 & IPv6 Routing Basics in JunOS :: Part 1
Introduction to JunOS :: IPv4 & IPv6 Routing Basics in JunOS :: Part 1
::2014/10/21::
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48
Introduction to JunOS :: Configuring RIP in JunOS
Introduction to JunOS :: Configuring RIP in JunOS
::2014/10/21::
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49
Download & Install GNS3 1.2 , IOS Router
Download & Install GNS3 1.2 , IOS Router
::2014/11/22::
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50
Running Cisco IOSv in VMWare Workstation Part 1
Running Cisco IOSv in VMWare Workstation Part 1
::2014/09/01::
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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-1, 12000, 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 first version generally available for the 12000 router series was 3.2. Version 3.9 was the first generally available version for the ASR9000 series. The most recent release is version 5.2.2. [4]

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

External links[edit]

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