2800 Series 2851 2-Ports RJ-45 Service Router

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 (refer to Figure 1) 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 2851 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) , supports the 36-port Cisco EtherSwitch module (NMD-36ESW)
Security :
- 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
Voice :
- Analog and digital voice call support
- Dedicated Extension Voice Module slot
- Optional voice mail support
- Optional support for Cisco CallManager Express for local call processing in stand alone business for up to 72 IP Phones
- Optional support for Survivable Remote Site Telephony support for local call processing in small enterprise branch offices for up to 96 IP phones