Cisco 1841 integrated services routerKey FeaturesTwo high-Speed WAN Interface Card SlotsWire-speed performance for concurrent services at T1/E1 WAN ratesEnhanced investment protection through increased performance and modularityIt Support for over 90 existing and new modulesSupport for majority of existing WICs, VWICs, and VICs (data mode only)Two Integrated 10/100 Fast Ethernet portsSecurity Support of up to 800 VPN tunnels with the AIM ModuleAntivirus defense support through Network Admission Control (NAC)On-board encryptionIntrusion Prevention as well as stateful Cisco IOS Firewall support
