Cisco 1800 Series Integrated Services Routers

Data Sheets and Product Information

Data Sheets

• 1- and 2- Port Fast Ethernet High-Speed WIC for Cisco Integrated Services Routers Data Sheet 25-Mar-2019
• Cisco 1800 Series Integrated Services Routers: Cisco 1841 Router (Modular) 10-Jan-2019
• Cisco IOS SSL VPN: Router-Based Remote Access for Employees and Partners Data Sheet 22-Feb-2016
• Symmetrical High-Bit Rate DSL Interface Card for Cisco Routers 12-Nov-2015
• Cisco Security Bundles 18-Aug-2014
• Cisco EtherSwitch 4- and 9-Port High-Speed WAN Interface Cards 18-Aug-2014
• Metro Ethernet Customer Premise Equipment: Integrated Services Routers 02-Jan-2014
• ADSL2 and ADSL2 High-Speed WAN Interface Cards 02-Jan-2014
• Cisco Integrated Services Router Bundles Quick Look 02-Jan-2014
• Cisco 1800 Series Integrated Services Routers Fixed Configuration Models 13-Apr-2009
• T/E1 High-Speed WAN Interface Card for Cisco 1861 Router 06-Mar-2008
• Serial High-Speed WAN Interface Cards for Cisco 1861 Router 26-Feb-2008
• VPN AIM for the Cisco 1841, 2800 and 3800 Series Integrated Services Routers 05-Feb-2008
• Cisco Cable High-Speed WAN Interface Cards 19-Jun-2006

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

• End-of-Sale and End-of-Life Announcement for the Cisco Select ISRG2 Modules 17-Dec-2019
• End-of-Sale and End-of-Life Announcement for the Accessory Kit for the Cisco 1810 and 1841 Integrated Services Routers and Power Supply for the Cisco 1841 ISR 22-Sep-2017
• End-of-Sale and End-of-Life Announcement for the Cisco 1800 Series Integrated Services Routers Fixed PoE Options 22-Sep-2017
• End-of-Sale and End-of-Life Announcement for the Cisco 1841 Integrated Services Router 11-May-2016
• End-of-Sale and End-of-Life Announcement for the Select Cisco ISR Interface Cards and Modules for China 13-Mar-2015
• End-of-Sale and End-of-Life Announcement for the Cisco 1800 Series Integrated Services Router Licenses and Accessories 16-Feb-2015
• End-of-Sale and End-of-Life Announcement for the Select Cisco ISR Integrated Services Router Bundles for China 04-Mar-2014
• Cisco Integrated Services Routers, 1800, 2800, and 3800 Series EOL Announcement Frequently Asked Questions 02-Jan-2014
• EOS/EOL for 1-Port ISDN BRI S/T WAN Interface Card 02-Jan-2014
• End-of-Sale and End-of-Life Announcement for the Cisco 1800 Series Integrated Services Routers—Cisco 1812 Fixed Configuration Models 02-Jan-2014
• End-of-Sale and End-of-Life Announcement for the Cisco 64-MB USB Flash Token for the Cisco 1800/2800/3800 Series 02-Jan-2014
• End-of-Sale and End-of-Life Announcement for the Select Cisco Integrated Services Router Bundles for China 27-Nov-2013
• End-of-Sale and End-of-Life Announcement for the Cisco 1800 Series Integrated Services Routers Spares and Accessories 13-Nov-2013
• End-of-Sale and End-of-Life Announcement for the Cisco ISR 1800 and 1860 Compact Flash and Cisco ISR 1800, 1810, and 1841 Memory 06-Nov-2013
• End-of-Sale and End-of-Life Announcement for the Cisco 1861E Integrated Services Router 06-Nov-2013

Security Notices

Field Notices

• Applicable to Multiple Models

  • Field Notice: FN - 63405 - CISCO18XX & CISCO28XX Might Fail to Boot After a Power Cycle - Replace on Failure 25-Oct-2019

Security Advisories, Responses and Notices

• Cisco IOS Software IP Version 6 over Multiprotocol Label Switching Vulnerabilities 10-Jul-2015
• IOS Stack Group Bidding Protocol Crafted Packet DoS 01-Nov-2014
• Cisco IOS Software Zone-Based Policy Firewall Vulnerability 31-May-2014

Reference

Command References

• AT Command Set and Register Summary for Silicon Labs Si2493 Modems on Cisco 1800 Series Integrated Service Routers 31-Jan-2007

Install and Upgrade

Install and Upgrade Guides

• Cisco Virtual Office - End User Instructions for Cisco 1811 Router Set Up at Home or Small Office 03-Dec-2008
• Cisco 1800 Series Hardware Installation (Modular) 30-Sep-2008
• Cisco 1811 and 1812 Integrated Services Router Cabling and Installation 08-Nov-2007
• Cisco Multiband Diversity Omnidirectional Ceiling-Mount Antenna (AIR-ANTM4050V-R) 02-Nov-2007
• Cisco Multiband Swivel-Mount Dipole Antenna (AIR-ANTM2050D-R) 02-Nov-2007
• Cisco Multiband Wall-Mount Antenna (AIR-ANTM5560P-R) 02-Nov-2007
• Regulatory Compliance and Safety Information for Cisco 1840 Routers 20-Sep-2007
• Regulatory Compliance and Safety Information for Cisco 1800 Integrated Services Routers (Fixed) 20-Sep-2007
• Cisco 1800 Series Integrated Service Routers (Fixed) Hardware Installation Guide 14-Sep-2007
• Cisco 1801, Cisco 1802, and Cisco 1803 Integrated Services Router Cabling and Installation 14-Sep-2007
• Cisco 1800 Series Integrated Services Routers (Modular) Quick Start Guide 14-Sep-2007
• Cisco 1800 Series Cards and Modules 19-Jan-2007
• Declarations of Conformity and Regulatory Information for Cisco Access Products with 802.11a/b/g and 802.11b/g Radios 22-Dec-2005
• Cisco 1801, Cisco 1802 und Cisco 1803 Integrated Services Router - Verkabelung und Installation 31-May-2005 (PDF)
• Cisco 1811 und Cisco 1812 Integrated Services Router - Verkabelung und Installation 31-May-2005 (PDF)

Configuration

Configuration Examples and TechNotes

• Configure a LAN-to-LAN IPsec Tunnel Between Two Routers 03-Aug-2023
• Configure a Basic Router with Configuration Professional 20-Oct-2022
• Test message to verify revision history 11-May-2022
• Configuring IPSec Between a Cisco IOS Router and a Cisco VPN Client 4.x for Windows Using RADIUS 17-Oct-2019
• Configure Second-Generation 1- and 2-Port T1/E1 MFT VWIC 20-Feb-2019
• Configure CSD on Cisco IOS using SDM 20-Feb-2019
• ASA/PIX - Configure a Cisco IOS Router LAN-to-LAN IPsec Tunnel 08-Oct-2018
• LAN-to-LAN IPsec Tunnel Between a Cisco VPN 3000 Concentrator and Router with AES Configuration Example 08-Oct-2018
• IOS Easy VPN Remote Hardware Client to a PIX Easy VPN Server Configuration Example 08-Oct-2018
• Dynamic IPsec Tunnel Between a Statically Addressed ASA and a Dynamically Addressed Cisco IOS Router that uses CCP Configuration Example 08-Oct-2018
• PIX 6.x: Dynamic IPsec Between a Statically Addressed IOS Router and the Dynamically Addressed PIX Firewall with NAT Configuration Example 20-Sep-2018
• Cisco CP - Configure ZFW to Block Peer to Peer Traffic 10-Sep-2018
• Configuring an IPsec Router Dynamic LAN-to-LAN Peer and VPN Clients 15-May-2014
• Basic Router Configuration using SDM 27-Jul-2011
• IOS Easy VPN: IPsec over TCP Support on any Port with Cisco Configuration Professional Configuration Example 05-Aug-2010

Configuration Guides

• Cisco 1800 Series (Fixed)

  • Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration Guide 19-Feb-2014

• Wireless Technology

  • Cisco Wireless ISR and HWIC Access Point Configuration Guide 12-Oct-2013

Troubleshooting

Password Recovery

• Password Recovery for 1700 and 1800 Series Routers 02-May-2014

Troubleshooting TechNotes

• Reset a Cisco Router to Factory Default Settings 13-Sep-2023
• Test document to verify publication process 04-Aug-2023
• Troubleshooting High CPU Utilization on Cisco Routers 30-Nov-2022
• IPsec Troubleshooting: Understanding and Using debug Commands 10-Oct-2022
• Reset Router to Factory Defaults 18-Aug-2022
• This is to verify SP process 28-Jun-2022
• Troubleshooting High CPU Utilization in IP Input Process 11-Feb-2019
• Troubleshooting Watchdog Timeouts 21-Jun-2016
• Buffer Tuning for all Cisco Routers 17-Jun-2016
• Troubleshooting Bus Error Crashes 16-Jun-2016
• Understanding Software-forced Crashes 16-Jun-2016
• SegV Exceptions 31-May-2016
• Troubleshooting Spurious Accesses, Alignment Errors, and Spurious Interrupts 31-May-2016
• Troubleshooting Buffer Leaks 26-May-2016
• Processor Memory Parity Errors (PMPEs) 25-May-2016

Literature

Brochures

• Enterprise Networks Routing Portfolio Poster 23-Oct-2014 (PDF - 2 MB)

White Papers

• Cisco Accelerated Internet over Satellite Solution 26-Mar-2009