Model Number

cisco,cisco1841,cisco2811,cisco3825

The Cisco 1841 Integrated Services Router is part of the Cisco 1800 Integrated Services Router Series which complements the Integrated Services Router Portfolio.
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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
o On-board encryption
o Support of up to 800 VPN tunnels with the AIM-EPII-PLUS Module
o Antivirus defense support through Network Admission Control (NAC)
o Intrusion Prevention as well as stateful