Cisco 4000 Series Integrated Services Routers

Data Sheets and Product Information

At-a-Glance

• Cisco 4000 Series Integrated Services Routers At-A-Glance 07-Sep-2024
• KVM App Hosting on a Cisco Router 05-Mar-2020
• Benefits of Upgrading to Cisco 4000 Series Integrated Services Routers 13-Nov-2019

Data Sheets

• Platforms

  • Cisco 4000 Family Integrated Services Router Data Sheet 11-Sep-2024
  • Cisco Fourth-Generation 1-, 2-, 4-, and 8-Port T1/E1 Multiflex Trunk Voice/WAN Network Interface and Digital Signal Processor Modules FAQ 24-Feb-2015
  • Cisco 4451-X Integrated Services Router Ordering Guide Data Sheet 23-Oct-2014

• Modules

  • Cisco SM-X Based Layer 2 Switching Module Data Sheet 18-Jul-2024
  • Cisco 4000 Series Integrated Services Router Packet-over-T3/E3 Service Module Data Sheet 07-Oct-2014
  • Cisco 4000 Series Integrated Services Router Gigabit Ethernet WAN Modules Data Sheet 17-Jul-2019
  • Cisco Multimode G.SHDSL Network Interface Module Data Sheet 27-Jun-2018
  • Asynchronous Terminal Server Interface Modules for Cisco 4000 Series Integrated Services Routers Data Sheet 04-Jan-2018
  • Cisco 4-Port, 8-Port, and 8-Port with PoE/PoE+ Gigabit Ethernet LAN Switch Network Interface Modules Data Sheet 30-Nov-2017
  • Cisco SM-X Layer 2/3 EtherSwitch Service Module 07-Oct-2014
  • Cisco LTE Advanced 3.0 Network Interface Modules Wireless WAN Interface Cards 05-Apr-2017
  • Cisco 4G LTE 2.0 Network Interface Modules 19-Oct-2016
  • Cisco 4G LTE 2.5 Network Interface Modules Wireless WAN Interface Cards for Asia, Australia, and Selected Latin America Regions 25-Apr-2017
  • Cisco 4400 Series Integrated Services Router 1-, 2 , and 4-Port Serial Network Interface Modules Data Sheet 02-Jul-2014
  • Cisco Multimode VDSL2 and ADSL2/2+ Network Interface Module Data Sheet 04-Aug-2015
  • Cisco 4000 Series Data Sheet 23-Oct-2017

• Unified Communications

  • Cisco Packet Voice Digital Signal Processor Modules (PVDMs) for Cisco Unified Communications Solutions 23-Nov-2020
  • Analog Voice Network Interface Modules for Cisco 4000 Series ISRs Data Sheet 16-May-2017
  • High-Density Analog Voice and Fax Service Modules for Cisco 4000 Series ISRs Data Sheet 18-Dec-2017

End-of-Life and End-of-Sale Notices

• End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.9.x 18-Oct-2024 (DOCX - 355 KB)
• End-of-Sale and End-of-Life Announcement for the Cisco ISR4200, ISR4300 and select ISR4400 Series Platform 08-Oct-2024
• End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.12.x 03-Oct-2024
• End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.14.x 06-Sep-2024
• End-of-Sale and End-of-Life Announcement for the Cisco CAT 6 Network Interface Modules (NIMs) 01-Aug-2024
• End-of-Sale and End-of-Life Announcement for the Cisco ISR4461 Series Platform 23-Jul-2024
• End-of-Sale and End-of-Life Announcement for the Cisco 4G DRAM (1 x 4G) for Cisco ISR 4300 Series Routers 09-Jul-2024
• End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.13.x 03-Apr-2024
• End-of-Sale and End-of-Life Announcement for the Cisco ISR4200, ISR4300 and select ISR4400 Series Platform Spares 29-Mar-2024
• End-of-Sale and End-of-Life Announcement for the Cisco ISR4200 and ISR4300 Series Platform for Brazil 27-Oct-2023
• End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.11.x 16-Aug-2023
• End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.10.x 06-Apr-2023
• End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.6.x 04-Oct-2022
• End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.8.x 30-Aug-2022
• End-of-Sale and End-of-Life Announcement for the Cisco IOS XE 17.7.x 27-Jul-2022

Security Notices

Field Notices

• Applicable to Multiple Models

  • Field Notice: FN74146 - Limited Number of Cisco Catalyst Routers Can Experience Memory Failures - Hardware Upgrade Available 02-Oct-2024
  • Field Notice: FN72510 - Cisco IOS XE Software: Weak Cryptographic Algorithms Are Not Allowed by Default for IPsec Configuration in Certain Cisco IOS XE Software Releases - Configuration Change Recommended 10-Jan-2024
  • Field Notice: FN72323 - Cisco IOS XE Software: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing, Smart Call Home, and Other Functionality - Software Upgrade Recommended 05-Oct-2023
  • Field Notice: FN72578 - Cisco IOS XE - Smart Licensing Using Policy Might Cause High CPU/Memory Usage - Software Upgrade Recommended 29-Sep-2023
  • Field Notice: FN - 72265 - Expired PKI Certificate on vEdge, ISR, and ASR Routers Causes SD-WAN Umbrella DNS Connections to Fail - Software Upgrade Recommended 23-Nov-2021
  • Field Notice: FN - 64153 - ASR1000 - Inaccurate Power Supply Unit Status - Software Upgrade Recommended 27-May-2020
  • Field Notice: FN - 64253 - ISR4331, ISR4321, ISR4351 and UCS-E120 Might Fail After 18 Months or Longer Due to Clock Signal Component Failure - Replace on Failure 17-Oct-2019
  • Field Notice: FN - 63938 - ISR4451X/K9 & ISR4431/K9 - Silent "PowerON" Reload - CPLD Update Required - Software Upgrade Recommended 26-Oct-2017
  • Field Notice: FN - 64190 - Cisco IOS XE - Show commands on Cisco IOS XE based platforms might not report true platform memory usage - Software Upgrade Recommended 07-Oct-2016

• Cisco 4431 Integrated Services Router

  • Field Notice: FN74118 - Some PWR-CC1-500WAC Power Supplies May Show Incorrect Power Readings in Cisco IOS XE Software, Resulting in Incorrect Fan Speed Control - Hardware Upgrade Available 01-May-2024

• Cisco 4331 Integrated Services Router

  • Field Notice: FN - 70573 - Cisco Secure Unique Device Identifier Certificate Expiration Impact On Internet of Things Products Managed by Cisco Field Network Director - Workaround Provided 16-Oct-2020

• Cisco 4321 Integrated Services Router

  • Field Notice: FN74073 - Some Cisco PWR4320 Power Supply Units May Experience Component Failure - Hardware Upgrade Available 15-May-2024
• Field Notice: FN - 64321 - Network Interface Module Functionality Issue with Cisco IOS Releases Earlier than IOS-XE 16.5 - Software Upgrade Recommended 17-Jul-2017

Security Advisories, Responses and Notices

• Cisco Unified Threat Defense Snort Intrusion Prevention System Engine for Cisco IOS XE Software Security Policy Bypass and Denial of Service Vulnerability 25-Sep-2024
• Multiple Cisco Products Snort 3 HTTP Intrusion Prevention System Rule Bypass Vulnerability 22-May-2024
• Multiple Cisco Products Snort FTP Inspection Bypass Vulnerability 01-Nov-2023
• Multiple Cisco Products Snort Modbus Denial of Service Vulnerability 19-Jan-2022
• Multiple Cisco Products Snort Memory Leak Denial of Service Vulnerability 27-Oct-2021
• Multiple Cisco Products Server Name Identification Data Exfiltration Vulnerability 18-Aug-2021
• Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerabilities 28-Apr-2021
• Multiple Cisco Products Snort Ethernet Frame Decoder Denial of Service Vulnerability 03-Mar-2021
• Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability 13-Jan-2021
• Multiple Cisco Products Snort TCP Fast Open File Policy Bypass Vulnerability 13-Jan-2021
• Multiple Cisco Products Snort Application Detection Engine Policy Bypass Vulnerability 13-Jan-2021
• Multiple Cisco Products SNORT HTTP Detection Engine File Policy Bypass Vulnerability 21-Oct-2020
• Multiple Cisco Products Snort HTTP Detection Engine File Policy Bypass Vulnerability 06-May-2020
• Cisco Secure Boot Hardware Tampering Vulnerability 13-May-2019

Release and Compatibility

Release Notes

• Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Bengaluru 17.6.x 18-Oct-2024
• Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Cupertino 17.9.x 26-Sep-2024
• Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE 17.15.x 26-Aug-2024
• Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Dublin 17.12.x 16-Aug-2024
• Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE 17.14.x 29-Apr-2024
• Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE 17.13.x 16-Dec-2023
• Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Amsterdam 17.3.x 28-Oct-2023
• Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Dublin 17.11.x 06-Apr-2023
• Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Dublin 17.10.x 16-Dec-2022
• Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Bengaluru 17.5.x 29-Jun-2022
• Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Bengaluru 17.4.x 29-Jun-2022
• Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Amsterdam 17.2.x 29-Jun-2022
• Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Cupertino 17.8.x 22-Apr-2022
• Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Cupertino 17.7.x 17-Dec-2021
• Release Notes for Cisco 4000 Series ISRs, Cisco IOS XE Amsterdam 17.1.x 30-Jul-2020

Reference

Command References

• Programmability Command Reference, Cisco IOS XE 17.15.x 14-Aug-2024
• Cisco SD-Routing Command Reference 18-Dec-2023
• Programmability Command Reference, Cisco IOS XE 17.13.x 08-Dec-2023
• Cisco IOS Interface and Hardware Component Command Reference 05-Oct-2023
• Programmability Command Reference, Cisco IOS XE Dublin 17.12.x 28-Jul-2023
• Programmability Command Reference, Cisco IOS XE Dublin 17.11.x 28-Mar-2023
• Programmability Command Reference, Cisco IOS XE Dublin 17.10.x 30-Nov-2022
• Programmability Command Reference, Cisco IOS XE Cupertino 17.9.x 01-Aug-2022
• Programmability Command Reference, Cisco IOS XE Cupertino 17.8.x 09-Apr-2022
• Programmability Command Reference, Cisco IOS XE Cupertino 17.7.x 07-Dec-2021
• Programmability Command Reference, Cisco IOS XE Bengaluru 17.6.x 31-Jul-2021
• Programmability Command Reference, Cisco IOS XE Bengaluru 17.5.x 05-Apr-2021
• Programmability Command Reference, Cisco IOS XE Bengaluru 17.4.x 30-Nov-2020
• Cisco IOS Dynamic Application Policy Routing Command Reference 12-Aug-2020
• Programmability Command Reference, Cisco IOS XE Amsterdam 17.2.x 30-Mar-2020

Documentation Roadmaps

• Documentation Roadmap for the Cisco 4000 Series ISRs, Cisco IOS XE 3S 29-Sep-2016
• Documentation Roadmap for Cisco 4000 Series ISRs, Cisco IOS XE Denali 16.x 29-Sep-2016
• Documentation Roadmap for Cisco 4000 Series ISRs, Cisco IOS XE Denali 16.x 04-Aug-2016
• Documentation Roadmap for the Cisco 4000 Series ISRs, Cisco IOS XE 3S 09-Oct-2014

Licensing Information

• Cisco 4451-X Integrated Services Router

  • Open Source Used in Cisco ISR 4451-X 24-Jun-2013 (PDF - 844 KB)
• Implement Performance License for Integrated Service Router 4000 16-Aug-2023
• Open Source Used in Web UI Cisco IOS XE 6.7.1 16-Nov-2017 (PDF - 750 KB)
• Open Source Used in Cisco 4221 ISR 11-Nov-2016 (PDF - 3 MB)
• Cisco_IOS_XE_Denali_16_3_v1 01-Aug-2016 (PDF - 785 KB)
• Open Source Used in Cisco IOS XE Denali Release 16.x 31-Mar-2016 (PDF - 780 KB)

Technical References

• Cisco 4451-X Integrated Services Router

  • MIB Specifications Guide for the Cisco 4000 Series ISR 02-Mar-2015

Design

Design TechNotes

• Understanding and Troubleshooting Analog E&M Interface Types and Wiring Arrangements 02-Feb-2006

Install and Upgrade

Install and Upgrade Guides

• Upgrading Field-Programmable Hardware Devices for Cisco 4000 Series ISRs 18-May-2022
• IP Addressing: NAT Configuration Guide, Cisco IOS XE Gibraltar 16.10.x 17-Apr-2020
• Regulatory Compliance and Safety Information—Cisco Voice Gateway 400 and Voice Gateway 450 16-Mar-2020 (PDF - 3 MB)
• Cisco VG450 Voice Gateway Hardware Installation Guide 19-Dec-2018
• Regulatory Compliance and Safety Information—Safety Warnings for Cisco 4000 Series ISRsInformation sur la réglementation de la conformité et de sécurité—Safety Warnings for Cisco 4000 Series ISRs 10-Dec-2018 (PDF - 5 MB)
• Cisco VG400 Voice Gateway Hardware Installation Guide 06-Dec-2018
• Installing the Cisco G.SHDSL Network Interface Module 24-May-2018
• Regulatory Compliance and Safety Information for Cisco 4000 Series Integrated Services Routers 19-Dec-2016
• Cisco Fourth-Generation LTE Advanced Network Interface Module Installation Guide 05-Dec-2016
• Installing the Cisco VDSL2 and ADSL2/2+ Network Interface Modules 15-Feb-2016
• Upgrading Flash Memory for Cisco 4000 Series ISRs 01-Sep-2015
• Cisco Fourth-Generation LTE Network Interface Module Installation Guide 27-May-2015
• Hardware Installation Guide for Cisco 4000 Series Integrated Services Routers 10-Sep-2014

Configuration

Configuration Examples and TechNotes

• Configure Integrated Services Routers 4000 Series Digital Voice 09-Nov-2023

Configuration Guides

• Cisco Unified Border Element Configuration Guide - Cisco IOS XE 17.6 Onwards 28-Aug-2024
• Segment Routing Configuration Guide, Cisco IOS XE 17 | Access and Edge Routers 26-Aug-2024
• Cisco 4000 Series ISRs Software Configuration Guide, Cisco IOS XE 17 26-Aug-2024
• Programmability Configuration Guide, Cisco IOS XE 17.15.x 14-Aug-2024
• Security Configuration Guide for SD-Routing Devices 30-Apr-2024
• Cloud Infrastructure on SD-Routing Devices 04-Apr-2024
• Network Services Configuration Guide, Cisco IOS XE 17.x 27-Mar-2024
• Programmability Configuration Guide, Cisco IOS XE 17.13.x 08-Dec-2023
• IP Switching Cisco Express Forwarding Configuration Guide, Cisco IOS XE Gibraltar 16.10.x 25-Oct-2023
• Cisco ASR 1000 Series Modular Ethernet Line Card Software Configuration Guide, Cisco IOS XE Gibraltar 17.x 22-Aug-2023
• System Management Configuration Guide, Cisco IOS XE 17.x 21-Aug-2023
• Programmability Configuration Guide, Cisco IOS XE Dublin 17.12.x 28-Jul-2023
• Programmability Configuration Guide, Cisco IOS XE Dublin 17.11.x 28-Mar-2023
• Programmability Configuration Guide, Cisco IOS XE Dublin 17.10.x 30-Nov-2022
• SNMP Configuration Guide, Cisco IOS XE 17 16-Nov-2022

Feature Guides

• Cisco V.150.1 Minimum Essential Requirements Configuration Guide 29-Mar-2016

Maintain and Operate

Maintain and Operate Guides

• Instructions for Addressing the Cisco Secure Boot Hardware Tampering Vulnerability on Cisco ISR 4000 Series Routers 28-Feb-2020
• Instructions for Addressing the Cisco Secure Boot Hardware Tampering Vulnerability on Cisco ISR 4000 Series Routers 06-Aug-2019

Troubleshooting

Error and System Messages

• System Message Guide for Cisco IOS XE 17.15.x 28-Aug-2024
• System Message Guide for Cisco IOS XE 17.14.x 05-Apr-2024
• System Message Guide for Cisco IOS XE 17.13.x 30-Nov-2023
• System Message Guide for Cisco IOS XE Dublin 17.12.x 28-Jul-2023
• System Message Guide for Cisco IOS XE Dublin 17.11.x 14-Apr-2023
• System Message Guide for Cisco IOS XE Dublin 17.10.x 04-Apr-2023
• System Message Guide for Cisco IOS XE Cupertino 17.9.x 01-Aug-2022
• System Message Guide for Cisco IOS XE Cupertino 17.8.x 08-May-2022
• System Message Guide for Cisco IOS XE Cupertino 17.7.x 17-Mar-2022
• System Message Guide for Cisco IOS XE Bengaluru 17.6.x 18-Aug-2021
• System Message Guide for Access and Edge Routers, Cisco IOS XE Bengaluru 17.5.x 14-Jul-2021

Troubleshooting Guides

• Cisco 4451-X Integrated Services Router

  • Memory Troubleshooting Guide for Cisco 4000 Series ISRs 04-Jun-2015
  • Troubleshooting Guide for the Cisco 4000 Series Integrated Services Router 24-Jun-2013

Troubleshooting TechNotes

• Cisco 4431 Integrated Services Router

  • Troubleshoot Music On Hold Failure When Gateway is Integrated Service Router 4431 04-Jan-2018
• Troubleshoot 4000 Series ISR for Issues with ROMMON 22-Jul-2024
• Critical Temperature Condition is Observed 26-Oct-2023
• Monitor CPU Usage on ISR4300 Series 09-Jun-2023
• ISR-WAAS Installation Guide on ISR 4000 Series Router 25-Oct-2018
• Deploy Diagnostic Signatures on ISR, ASR, and Catalyst Network Devices 20-Sep-2016

Literature

White Papers

• Miercom Performance Analysis: Cisco 4000 Series ISRs 05-Jan-2017 (PDF - 878 KB)
• Cisco 4000 Series Integrated Services Routers: Architecture for Branch-Office Agility 08-Oct-2014 (PDF - 971 KB)