Cisco Systems, Inc. is redefining best-in-class enterprise and small- to- midsize business routing with a new line of integrated services routers that are optimized for the secure, wire-speed delivery of concurrent data, voice, video, and wireless services. Founded on 20 years of leadership and innovation, the Cisco 2800 Series of integrated services routers intelligently embed data, security, voice, and wireless services into a single, resilient system for fast, scalable delivery of mission-critical business applications. The unique integrated systems architecture of the Cisco 2800 Series delivers maximum business agility and investment protection.
The Cisco 2821 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 10/100/1000 Ethernet ports.
- Optional Layer 2 switching support with Power over Ethernet (PoE) (as an option).
- On-board encryption.
- Support of up to 1500 VPN tunnels with the AIM-EPII-PLUS 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.
- Analog and digital voice call support.
- Dedicated Extension Voice Module slot.
- Optional voice mail support.
- Optional support for Cisco CallManager Express (Cisco CME) for local call processing in stand alone business for up to48 IP Phones.
- Optional support for Survivable Remote Site Telephony support for local call processing in small enterprise branch offices for up to 48 IP phones.







