Cisco Carrier Routing System

Document Categories

• Data Sheets and Product Information

  Data Sheets

  • Cisco CRS Distributed Route Processor 22-Jan-2024
  • Cisco CRS Forwarding Processor Cards Data Sheet 15-Jan-2016
  • Cisco CRS 16-Slot Single-Shelf System Data Sheet 15-Jan-2016
  • Cisco CRS 4-Port 40GE LAN/OTN Interface Module 15-Jan-2016
  • Cisco CRS-3 24-Slot Fabric-Card Chassis 15-Jan-2016
  • Cisco CRS Series 4-Port 10GE LAN/WAN-PHY Interface Module 15-Jan-2016
  • Cisco CRS-3 Label Switch Processor 14-Jan-2016
  • Cisco CRS 8-Slot Single-Shelf System Data Sheet 14-Jan-2016
  • Cisco Carrier Grade Services Engine Module Data Sheet 12-Jan-2016
  • Cisco CRS-3 14-Port 10GE LAN/WAN-PHY Interface Module 29-Sep-2015
  • Cisco CRS-3 20-Port 10GE LAN/WAN-PHY Interface Module 28-Sep-2015
  • Cisco CRS Label Switch Processors Data Sheet 23-Sep-2015
  • Cisco CRS 2 Port 100 Gigabit Ethernet and 5 Port 40 Gigabit Ethernet Flexible Interface Module Data Sheet 23-Jul-2015
  • Cisco CRS Flexible SPA and 6-port 10GE PLIM Datasheet 12-Jun-2015
  • Cisco CRS 4-Port 10GE Tunable WDMPHY Interface Module. 13-Mar-2015
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  End-of-Life and End-of-Sale Notices

  • End-of-Sale and End-of-Life Announcement for the Cisco CRS Product Family 05-Feb-2021
  • End-of-Sale and End-of-Life Announcement for the Cisco CRS 3-Phase AC Power Distribution Unit End-of-Sales 14-May-2020
  • End-of-Sale and End-of-Life Announcement for the Cisco CRS Modular power for Legacy Chassis End of Sale Announcement 20-Nov-2019
  • End-of-Sale and End-of-Life Announcement for the Cisco CRS Multi-chassis Riser Cable End of Sale Announcement 14-Nov-2019
  • End-of-Sale and End-of-Life Announcement for the Cisco CRS 400G FCC Fabric Card CRS-FCC-SFC-400-B End of Sales Annoucement 03-Sep-2019
  • End-of-Sale and End-of-Life Announcement for the Cisco CRS Legacy Chassis Rear Cable Management End Of Sales 02-Nov-2018
  • End-of-Sale and End-of-Life Announcement for the Cisco CRS-3 line cards End of Sales 30-Jul-2018
  • End-of-Sale and End-of-Life Announcement for the Cisco CRS-3 Fabric Cards 14-Mar-2018
  • End-of-Sale and End-of-Life Announcement for the Cisco CRS 16G Flash Disk 15-Sep-2017
  • End-of-Sale and End-of-Life Announcement for the Cisco CRS Fan Controller for Legacy 16 Slots Chassis 10-Aug-2017
  • End-of-Sale and End-of-Life Announcement for the Cisco CRS-3 Fabric Cards for CRS 4 Slots System 17-Feb-2017
  • End-of-Sale and End-of-Life Announcement for the CRS-3 40GE Line Cards End-of-Sales 27-Jan-2017
  • End-of-Sale and End-of-Life Announcement for the Cisco CRS-3 8-Slot Fabric Cards 31-Aug-2016
  • End-of-Sale and End-of-Life Announcement for the Cisco CRS-1 16-Slot Chassis Components 08-Sep-2015
  • End-of-Sale and End-of-Life Announcement for the Cisco CRS-1 16-Slot Line Card Chassis Components and Accessories 18-Aug-2015
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• Security Notices

  Field Notices

  • Applicable to Multiple Models

    • Field Notice: FN - 72290 - Cisco IOS XR: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Workaround Provided 22-Mar-2022
    • Field Notice: FN - 63493 - CRS - Products Affected Might Fail to Boot Up After a Software Upgrade or Power Cycle - Replace on Failure 24-Aug-2020
    • Field Notice: FN - 63979 - ASR9000, CRS, and XR12000 That Run Cisco IOS-XR 5.3.0 and Earlier - Oct 17, 2015 SW Certificate Expiration - Software Upgrade Recommended 18-Jan-2019
    • Field Notice: FN - 64127 - CRS-X Line Cards with New DRAM Fail to Boot to XR-Run State - Software Upgrade Recommended 04-Jun-2018
    • Field Notice: FN - 63381 - CRS: CRS-MSC-B, CRS-FP40 boards now use RLDRAM2 due to component EOL - Software Upgrade Recommended 04-Jun-2018
    • Field Notice: FN - 70078 - CRS-X Linecards Version V04 or Later Are Not Supported by Cisco IOS XR Software Releases Earlier Than 5.3.4 - Workaround Provided 27-Nov-2017

  • Cisco CRS-1 16-Slot Line Card Chassis

    • Field Notice: FN - 62526 CRS16 and CRS8 - RP, RP-B and DRP-PLIM Flash Disks Can Fail in a Power Cycle Event - Fix: RMA the Flash Disk 16-Jul-2007
    • Field Notice: FN - 62830 - CRS16 - Grille Has Loose Louvres Which May Rattle When CRS Fans Are Operating - Procedure to Fix the Louvres is Available 06-Jun-2007
    • Field Notice: FN - 62765 - CRS: During Software Upgrade From Rel 3.2.x or 3.3.x to 3.4.x, The MSC Bootflash Can Become Full And The Upgrade Can Fail 10-Apr-2007
    • Field Notice: FN - 62256 - CRS:SPAs - Upgrading a SPA Interface Processor (SIP) or SPA Field Programmable Device (FPD) Image can Result in a SIP or SPA Becoming Inoperable - Workaround is Available 17-Oct-2006
    • Field Notice: FN - 62513 - CRS - ROMMON 1.40 and Above Needs New IOS-XR Software for Diagnostic Support - Apply IOS-XR SMU for Fix 11-Sep-2006

  • Cisco CRS-1 8-Slot Single-Shelf System

    • Field Notice: FN - 63126 - CRS: 1OC768-ITU/C cards may experience High Bit Error Rate (BER) or loss of Transmit power incidents in certain batch of optical module - Replace on Failure 26-Feb-2019

  Security Advisories, Responses and Notices

  • Cisco IOS XR Software SSH Denial of Service Vulnerability 09-Nov-2014
  • Cisco IOS XR MPLS Vulnerabilities 10-Dec-2011
  • IPv6 Crafted Packet Vulnerability 10-Dec-2011
  • Crafted ICMP Messages Can Cause Denial of Service 10-Dec-2011
  • Cisco IOS Misformed BGP Packet Causes Reload 10-Dec-2011
  • Cisco IOS Malformed BGP Packet Causes Reload 10-Dec-2011

• Release and Compatibility

  Master Index

  • Cisco IOS XR Software Release 4.1

    • Cisco CRS Router Master Command Listing, Release 4.1 17-Jun-2011

  Release Notes

  • Cisco IOS XR Release 6.7.x

    • Release Notes for Cisco CRS Routers, IOS XR Release 6.7.4 15-Dec-2019
    • Release Notes for Cisco CRS Routers, IOS XR Release 6.7.2 15-Dec-2019

  • Cisco IOS XR Release 6.2.x

    • Release Notes for Cisco CRS Routers, IOS XR Release 6.2.1 17-Mar-2017

• Reference

  Command References

  • Cisco IOS XR Software

    • MPLS Command Reference for the Cisco CRS Router 27-Apr-2019
    • IP Addresses and Services Command Reference for Cisco CRS Routers 01-Mar-2018
    • Virtual Private Network Command Reference for Cisco CRS Series Routers 13-Dec-2019
    • Modular QoS Command Reference for Cisco CRS Router 10-Jul-2020
    • Multicast Command Reference for Cisco CRS Series Routers 26-Aug-2020
    • Netflow Command Reference for Cisco CRS Series Routers 09-Aug-2020
    • System Security Command Reference for Cisco CRS Routers 02-Aug-2019
    • System Monitoring Command Reference for Cisco CRS Routers 03-Sep-2018
    • Advanced System Command Reference for Cisco CRS Router 23-Jul-2020
    • nV System Command Reference for Cisco CRS Routers 01-Sep-2017

  Licensing Information

  • Open Source Used In Cisco IOS XR Carrier Grade NAT Cisco IOS XR Release 4.1 19-Apr-2011 (PDF - 577 KB)

  Technical References

  • Cisco CRS and Cisco XR 12000 Series Router MIB Specifications Guide

    • Cisco CRS and Cisco XR 12000 Series Router MIB Specifications Guide 17-Feb-2016 (PDF)

  • Cisco IOS XR Software Release 4.1

    • Cisco IOS XR Task ID Reference Guide, Release 4.1 20-May-2011

• Install and Upgrade

  Install and Upgrade Guides

  • Cisco CRS Carrier Routing System Fabric Card Chassis Unpacking, Moving, and Securing Guide 13-Sep-2023
  • Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Enhanced Router System Description 13-Sep-2023
  • Cisco CRS Carrier Routing System 8-Slot Line Card Chassis System Description 22-Jun-2020
  • Cisco CRS Carrier Routing System 16-Slot Line Card Chassis System Description 22-Jun-2020
  • Cisco CRS Carrier Routing System Ethernet Physical Layer Interface Module Installation Note 28-Jun-2018
  • Cisco CRS Routers 16-Slot Line Card Chassis Enhanced Router Installation Guide 24-Oct-2017
  • Cisco CRS Routers 16-Slot Line Card Chassis Installation Guide 05-May-2017
  • Cisco CRS Carrier Routing System 4-Slot Line Card Chassis System Description 10-Feb-2017
  • Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Enhanced Router Installation Guide 27-Oct-2016
  • Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Enhanced Router Site Planning Guide 24-Oct-2016
  • Cisco CRS Carrier Routing System Fabric Card Chassis Installation Guide 21-Oct-2016
  • Cisco CRS Carrier Routing System 16-Slot Line Card Chassis Enhanced Router Unpacking, Moving, and Securing Guide 18-Oct-2016
  • Cisco CRS Carrier Routing System 16-Slot Line Card Chassis Enhanced Router Site Planning Guide 17-Oct-2016
  • Cisco CRS Carrier Routing System 16-Slot Line Card Chassis Unpacking, Moving, and Securing Guide 14-Oct-2016
  • Cisco CRS Carrier Routing System Multishelf System Interconnection and Cabling Guide 04-Oct-2016
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  Install and Upgrade TechNotes

  • Upgrade Field Programmable Device (FPD) on 32-bit Cisco IOS XR (cXR) 12-Jan-2024

• Configuration

  Configuration Examples and TechNotes

  • Cisco CRS-1 16-Slot Line Card Chassis

    • CRS Manual ROMMON Upgrade 11-Jul-2014

  Configuration Guides

  • Telemetry Videos

    • Video: Telemetry Video Series 07-Jan-2021

  Programming Guides

  • Cisco IOS XR Software Release 4.3.x

    • XML Schema Documentation forthe Cisco CRS Router, Cisco IOS XR Release 4.3.0 13-Mar-2013 (ZIP)

  • Cisco IOS XR Software Release 4.1

    • Cisco IOS XR XML API Guide, Cisco IOS XR Release 4.1 29-Mar-2011
  • XML Schema Documentation forthe Cisco CRS Router, Cisco IOS XR Release 4.3.0 20-Mar-2015

• Maintain and Operate

  End-User Guides

  • Cisco Carrier Routing System 22-Apr-2021

  Maintain and Operate Guides

  • Cisco CRS Carrier Routing System General Maintenance Guide 01-Jun-2017
  • Cisco CRS-1 Carrier Routing System Fiber-Optic Cleaning Guide 02-Nov-2007

• Troubleshooting

  Troubleshooting TechNotes

  • Applicable to Multiple Models

    • Troubleshoot "QM_SANITY_WARNING" Message on 12000 series router 29-Jul-2017
  • MTU Behavior on Cisco IOS XR and Cisco IOS Routers 25-Oct-2023
  • Understand Cisco IOS XR Software Maintenance Updates (SMUs) 25-Jul-2022