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Cisco 1841 Integrated Services Router

NOTE: This product is no longer being sold and might not be supported. View the End-of-Life Notice to learn:
  • End-of-sale and end-of-life dates
  • What replacement products are available
  • Information about product support

Modular Platform Supporting T1/E1 Speeds

The Cisco 1841 Integrated Services Router is part of the Cisco 1800 Integrated Services Router Series which complements the Integrated Services Router Portfolio.


The Cisco 1841 Integrated Services Router provides the following support:

  • Wire-speed performance for concurrent services at T1/E1 WAN rates
  • Enhanced investment protection through increased performance and modularity
  • Enhanced investment protection through increased modularity
  • Increased density through High-Speed WAN Interface Card Slots (two)
  • Support for over 90 existing and new modules
  • Support for majority of existing WICs, VWICs, and VICs (data mode only)
  • Two Integrated 10/100 Fast Ethernet ports
  • Security
    • On-board encryption
    • Support of up to 800 VPN tunnels with the AIM Module
    • Antivirus defense support through Network Admission Control (NAC)
    • Intrusion Prevention as well as stateful Cisco IOS Firewall support and many more essential security features

Related Multimedia Demos

  • Cisco 1800 Series Portfolio Multimedia Demo*
    View this Flash demo to learn more about Cisco Integrated Services Router offerings for small-to-medium-sized businesses, small enterprise branch offices, and service provider managed services.

* Minimum requirements to view:
- Internet Explorer 5.5 and higher
- Flash 6 and higher
- Windows 98SE and higher

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