Play Video
1
IOS XR Introduction
IOS XR Introduction
::2012/06/28::
Play Video
2
Introduction to IOS XR CLI and Configuration
Introduction to IOS XR CLI and Configuration
::2012/09/25::
Play Video
3
Overview of IOS XR Software Installation
Overview of IOS XR Software Installation
::2012/09/25::
Play Video
4
Google Hangout: Cisco IOS-XR and Command Line
Google Hangout: Cisco IOS-XR and Command Line
::2013/09/30::
Play Video
5
Overview of IOS XR Routing Policy Language
Overview of IOS XR Routing Policy Language
::2012/09/25::
Play Video
6
Network Simulator : Cisco, Mikrotik, Junos, IOS-XR
Network Simulator : Cisco, Mikrotik, Junos, IOS-XR
::2014/03/29::
Play Video
7
Cisco Videos ~ IOS XR Introduction
Cisco Videos ~ IOS XR Introduction
::2014/04/12::
Play Video
8
Cisco Videos ~ Introduction to IOS XR CLI and Configuration
Cisco Videos ~ Introduction to IOS XR CLI and Configuration
::2014/04/12::
Play Video
9
Cisco Videos ~ IOS XR Routing   BGP
Cisco Videos ~ IOS XR Routing BGP
::2014/04/12::
Play Video
10
Cisco Videos ~ Google Hangout   Cisco IOS XR and Command Line
Cisco Videos ~ Google Hangout Cisco IOS XR and Command Line
::2014/04/11::
Play Video
11
Cisco Videos ~ Overview of IOS XR Routing Policy Language
Cisco Videos ~ Overview of IOS XR Routing Policy Language
::2014/04/20::
Play Video
12
IOS XR Routing -- IGP
IOS XR Routing -- IGP
::2012/09/25::
Play Video
13
IOS-XR Cisco Support Tasks
IOS-XR Cisco Support Tasks
::2011/02/17::
Play Video
14
Cisco Videos ~ OSPF on IOS XR Event   Session 1
Cisco Videos ~ OSPF on IOS XR Event Session 1
::2014/04/20::
Play Video
15
Cisco Videos ~ CIsco IOS XR
Cisco Videos ~ CIsco IOS XR
::2014/03/24::
Play Video
16
Cisco Live 2014: ASR 9000 IOS XR Hardware Architecture QOS EVC IOS XR Configuration and Tshooting
Cisco Live 2014: ASR 9000 IOS XR Hardware Architecture QOS EVC IOS XR Configuration and Tshooting
::2014/04/08::
Play Video
17
37 CCIE SP Advanced Technology MPLS TE on IOS XR, LDP over MPLS TE Tunnels
37 CCIE SP Advanced Technology MPLS TE on IOS XR, LDP over MPLS TE Tunnels
::2014/04/23::
Play Video
18
Accelerated Upgrade Tool for Cisco IOS-XR
Accelerated Upgrade Tool for Cisco IOS-XR
::2014/02/04::
Play Video
19
IOS XR 2 Stage Commit
IOS XR 2 Stage Commit
::2011/08/12::
Play Video
20
ios-xr  DON/ Ahmed Nabil
ios-xr DON/ Ahmed Nabil
::2013/03/28::
Play Video
21
Cisco IOS XR Software Manager
Cisco IOS XR Software Manager
::2013/11/26::
Play Video
22
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::
Play Video
23
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::
Play Video
24
IOS XR IS-IS Muli Area Configuration
IOS XR IS-IS Muli Area Configuration
::2013/08/07::
Play Video
25
Cisco IOS-XRv over GNS3(Korean)
Cisco IOS-XRv over GNS3(Korean)
::2014/02/26::
Play Video
26
Cómo instalar IOS XR
Cómo instalar IOS XR
::2014/01/21::
Play Video
27
QoS on Cisco XR 12000
QoS on Cisco XR 12000
::2011/01/21::
Play Video
28
16 CCNA SP 640-875 Routing Base Configuration from IOS to IOS XR
16 CCNA SP 640-875 Routing Base Configuration from IOS to IOS XR
::2014/02/19::
Play Video
29
Cisco Videos ~ Cisco ASR 9000 Series   Non Stop Content, the Cisco IOS XR Operating System
Cisco Videos ~ Cisco ASR 9000 Series Non Stop Content, the Cisco IOS XR Operating System
::2014/03/20::
Play Video
30
Cisco Videos ~ BFD Configuration and Troubleshooting on Cisco IOS and XR Routers
Cisco Videos ~ BFD Configuration and Troubleshooting on Cisco IOS and XR Routers
::2014/03/20::
Play Video
31
Introduction to the Cisco ASR 9000
Introduction to the Cisco ASR 9000
::2012/10/02::
Play Video
32
06 CCIE SP Advanced Technology IS IS Route Leaking & Routing Policy Language on IOS XR
06 CCIE SP Advanced Technology IS IS Route Leaking & Routing Policy Language on IOS XR
::2014/04/14::
Play Video
33
Introduction to the Cisco CRS
Introduction to the Cisco CRS
::2012/09/26::
Play Video
34
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::
Play Video
35
Live Webcast: Understanding Cisco ASR 9000 Series Aggregation Services Routers
Live Webcast: Understanding Cisco ASR 9000 Series Aggregation Services Routers
::2013/09/24::
Play Video
36
Remotely triggered ABF and Arbor TMS in Cisco CRS CGSE Demo
Remotely triggered ABF and Arbor TMS in Cisco CRS CGSE Demo
::2013/08/03::
Play Video
37
Cisco ISO XR in GNS3
Cisco ISO XR in GNS3
::2014/04/22::
Play Video
38
Blood & Glory 2: Legend iOS Gameplay
Blood & Glory 2: Legend iOS Gameplay
::2013/11/20::
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39
Blocky Roads iPhone 5C iOS 7 0 3 HD Gameplay Trailer 394
Blocky Roads iPhone 5C iOS 7 0 3 HD Gameplay Trailer 394
::2014/03/09::
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40
Xr-VWorld/Professional_mobile V2
Xr-VWorld/Professional_mobile V2
::2014/01/27::
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41
Xr-VWorld/Professional_mobile
Xr-VWorld/Professional_mobile
::2014/01/19::
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42
Road Riot For Tango hack cheats - Coins and Gems android ios download
Road Riot For Tango hack cheats - Coins and Gems android ios download
::2014/02/16::
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43
Обзор Приложений iOS #4 Подкасты
Обзор Приложений iOS #4 Подкасты
::2013/12/25::
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44
Unboxing iPhone 5c Multi-Color MarcianoStyle
Unboxing iPhone 5c Multi-Color MarcianoStyle
::2013/09/21::
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45
Cisco CRS-1 Multi-Chassis System: Superior Scalability
Cisco CRS-1 Multi-Chassis System: Superior Scalability
::2010/10/27::
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46
► Mitsubishi Concepts XR, GC and AR - World Premiere
► Mitsubishi Concepts XR, GC and AR - World Premiere
::2014/03/17::
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47
Networking 101: Cisco IOS
Networking 101: Cisco IOS
::2012/11/15::
Play Video
48
Data Communication Engineer---Vertex-Us.Com/Jobs
Data Communication Engineer---Vertex-Us.Com/Jobs
::2012/11/05::
Play Video
49
Cisco Videos ~ Cisco IOS Software Bundled Publication for September 2013
Cisco Videos ~ Cisco IOS Software Bundled Publication for September 2013
::2014/03/24::
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50
Winchester Longbeard XR 3 1/2 #6 w/ Jellyhead
Winchester Longbeard XR 3 1/2 #6 w/ Jellyhead
::2014/03/16::
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From Wikipedia, the free encyclopedia
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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 5.1.0 which was released on September 10th, 2013. [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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