The Cisco 2811 Integrated Services Router is part of the Cisco 2800
Integrated Services Router Series which complements the Integrated
Services Router Portfolio. The Cisco 2811 Integrated Services
Router provides the following support: * Wire-speed performance for
concurrent services such as security and voice , and advanced
services to multiple T1/E1/xDSL 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 (four) *
Enhanced Network Module Slot * Support for over 90 existing and new
modules * Support for majority of existing AIMs, NMs, WICs, VWICs,
and VICs * Two Integrated 10/100 Fast Ethernet ports * Optional
Layer 2 switching support with Power over Ethernet (PoE) (as an
option) * Security o On-board encryption o Support of up to 1500
VPN tunnels with the AIM-EPII-PLUS Module o Antivirus defense
support through Network Admission Control (NAC) o Intrusion
Prevention as well as stateful Cisco IOS Firewall support and many
more essential security features * Voice o Analog and digital voice
call support o Optional voice mail support o Optional support for
Cisco CallManager Express (Cisco CME) for local call processing in
stand alone business for up to36 IP Phones o Optional support for
Survivable Remote Site Telephony support for local call processing
in small enterprise branch offices for up to 36 IP phones
