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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
Chris Williamson - Intro to IOS XR
Chris Williamson - Intro to IOS XR
Published: 2014/06/20
Channel: Joshua Brown
IOS XR Routing - BGP
IOS XR Routing - BGP
Published: 2012/09/25
Channel: Cisco
Introduction to IOS-XR
Introduction to IOS-XR
Published: 2015/09/14
Channel: Rob Riker
Overview of IOS XR Routing Policy Language
Overview of IOS XR Routing Policy Language
Published: 2012/09/25
Channel: Cisco
GNS3 Setup for Service Provider with IOS-XR
GNS3 Setup for Service Provider with IOS-XR
Published: 2015/12/21
Channel: Rob Riker
Routing protocol on Cisco XR
Routing protocol on Cisco XR
Published: 2016/05/21
Channel: Jaya Chandran
Model Driven Telemetry with Cisco IOS XR
Model Driven Telemetry with Cisco IOS XR
Published: 2017/03/31
Channel: Cisco
Introduction to the Cisco ASR 9000
Introduction to the Cisco ASR 9000
Published: 2012/10/02
Channel: Cisco
Zero Touch Provisioning (ZTP) with IOS XR
Zero Touch Provisioning (ZTP) with IOS XR
Published: 2017/03/31
Channel: Cisco
Overview of IOS XR Software Installation
Overview of IOS XR Software Installation
Published: 2012/09/25
Channel: Cisco
Cisco IOS XR Fundamentals
Cisco IOS XR Fundamentals
Published: 2016/12/15
Channel: Ali Ludowici
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
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
Cisco ISO XR in GNS3
Cisco ISO XR in GNS3
Published: 2014/04/22
Channel: idrees ezzi
IOS XR Routing -- IGP
IOS XR Routing -- IGP
Published: 2012/09/25
Channel: Cisco
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
IOS-XR Cisco Support Tasks
IOS-XR Cisco Support Tasks
Published: 2011/02/17
Channel: Cisco Support Community
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
Cisco IOS XR Software Manager
Cisco IOS XR Software Manager
Published: 2013/11/26
Channel: Cisco CPOC
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
QoS on Cisco XR 12000
QoS on Cisco XR 12000
Published: 2011/01/21
Channel: Pavel Bykov
Cisco IOS XR Fundamentals
Cisco IOS XR Fundamentals
Published: 2016/11/07
Channel: torres
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
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
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
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
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
Published: 2015/01/19
Channel: Free4arab | Information Technology
Running IOS XRv in GNS3
Running IOS XRv in GNS3
Published: 2014/11/26
Channel: routergods
Cisco Network Dashboard and IOS XR Deep Dive
Cisco Network Dashboard and IOS XR Deep Dive
Published: 2015/11/18
Channel: Tech Field Day
Net LineDancer supports Cisco IOS-XR Series!
Net LineDancer supports Cisco IOS-XR Series!
Published: 2014/12/01
Channel: LogicVeinUS
Configuration Cisco IOS XR dans GNS3
Configuration Cisco IOS XR dans GNS3
Published: 2015/07/08
Channel: Aymen Bouzid
IOS XR BGP FlowSpec Configuration
IOS XR BGP FlowSpec Configuration
Published: 2015/03/19
Channel: Nicolas Fevrier
DevNet 1086   IOS XR Telemetry and ELK
DevNet 1086 IOS XR Telemetry and ELK
Published: 2016/07/14
Channel: Byomakesh Mohanta
Accelerated Upgrade Tool for Cisco IOS-XR
Accelerated Upgrade Tool for Cisco IOS-XR
Published: 2014/02/04
Channel: Cisco CPOC
Cisco IOS XR Fundamentals
Cisco IOS XR Fundamentals
Published: 2017/05/28
Channel: Annette L Wood
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
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
GNS3, Virtual Box, Native IOS, IOS XR, SRX  (All in One) "Part1"
GNS3, Virtual Box, Native IOS, IOS XR, SRX (All in One) "Part1"
Published: 2015/11/19
Channel: Mohamed Islam
Cisco XRv 9000 Installation on ESXi
Cisco XRv 9000 Installation on ESXi
Published: 2016/02/21
Channel: Nicolas Fevrier
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
GNS3 Talks: Cisco IOS-XRv import and configuration Part 2: Don
GNS3 Talks: Cisco IOS-XRv import and configuration Part 2: Don't forget to commit your changes!
Published: 2017/03/09
Channel: David Bombal
Cloud-scale Ethernet VPN (EVPN) with IOS XR
Cloud-scale Ethernet VPN (EVPN) with IOS XR
Published: 2017/03/31
Channel: Cisco
IOS XR 2 Stage Commit
IOS XR 2 Stage Commit
Published: 2011/08/12
Channel: CiscoStudyGroup
ASR 9000 XR Upgrade using ISSU
ASR 9000 XR Upgrade using ISSU
Published: 2014/03/21
Channel: Cisco CPOC
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
Cisco NCS5500 IOS XR RPM install
Cisco NCS5500 IOS XR RPM install
Published: 2016/02/22
Channel: Nicolas Fevrier
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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 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 6.0[4] 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[5]
  • 6.1.1 - Introduces support for the 64-bit Linux-based IOS XR operating system on ASR9000 series [6]

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.[7]

! 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]

  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
  6. ^ http://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k_r6-1/general/release/notes/b-release-note-asr9k-612.html
  7. ^ "Converting Cisco IOS Configurations to Cisco IOS XR Configurations" (PDF). cisco.com. Cisco Systems. Retrieved 4 August 2017. 

External links[edit]

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