Cisco is the worldwide leader in networking for the Internet. Cisco provides networking solutions that are the foundation for most corporate, education, and government networks around the world. Cisco's popular router series include the 800, 1800, 1900, 2800, 2900, 3800, 3900, 7200, and 7600 series. These routers offer features such as security, wireless connectivity, VPN support, and voice and video capabilities to meet the needs of small to large networks.

1. How Much You Know about Cisco, Cisco Router?<br />Cisco You Know from Here<br />Cisco Systems, Inc. is the worldwide leader in networking for the Internet. Cisco's Internet Protocol-based (IP) networking solutions are the foundation of the Internet and most corporate, education, and government networks around the world. <br />Cisco provides the broadest line of solutions for transporting data, voice and video within buildings, across campuses, or around the world. Today, the Internet and computer networking are an essential part of business, learning and personal communications and entertainment. <br />Virtually all messages or transactions passing over the Internet are carried quickly and securely through Cisco equipment. Cisco solutions ensure that networks both public and private operate with maximum performance, security, and flexibility. In addition, Cisco solutions are the basis for most large, complex networks used by corporations, public institutions, telecommunication companies, and are found in a growing number of medium-sized commercial enterprises. <br />The company's tradition of innovation continues today with Cisco creating leading products and key technologies that will make the Internet more useful and dynamic in the years ahead. These technologies include: advanced routing and switching, voice and video over IP, optical networking, wireless, storage networking, security, broadband, and content networking. In addition to technology and product leadership, Cisco is recognized as an innovator in how business is conducted. The company has been a pioneer in using the Internet to provide customer support, sell products, offer training, and manage finances. <br />Drawing upon the company's own Internet best practices and core-value of customer focus, Cisco has established the Internet Business Solutions Group (IBSG) dedicated to helping top business leaders transform their own businesses into e-businesses. <br />Cisco’s Popular Routers Now<br />Cisco 800 Series: Cisco 800 router, mainly including Cisco 860, Cisco 870, Cisco 880, Cisco 890, etc. have some common features below to check: <br />•Built-in security, including content filtering<br />•Cisco Configuration Professional for simplified management<br />•WAN connection with multiple access options<br />•Business Continuity with primary and backup connections on the Cisco 880 router, including 3G and ISDN<br />•Four 10/100 Mbps Fast Ethernet managed switch ports with optional PoE on two switch ports<br />•Up to 20 VPN tunnels <br />•Integrated access point based on the IEEE 802.11n draft 2.0 standard that uses MIMO (Multi-Input, Multiple-output) to improve coverage for existing 802.11 b/g clients and new 802.11n clients<br />•Cisco Unified Wireless Management Solution<br />•Business continuity for both data and voice<br />•Universal software image eases expansion capabilities with software activation<br />Cisco 1800 Series: <br />Cisco 1800 has several models including 1801, 1802, 1803, 1811, 1812, 1841(most popular), 1861, all of them have some common features: a. Designed for small businesses or branch offices and to offer secure wireless networking; b. Multiple performance options based on local, remote, or broadband connections; c. Integrated security including encryption and protection against hackers; d. Virtual private networks for linking to partners, suppliers, and remote offices; e. Multiple options for adding reliability and option for reduced costs by using power from network cabling; f. Software upgrades to add new features and functions, and integrated switching capabilities.<br />Cisco 1900 Series: <br />Cisco 1900 offers unparalleled total cost of ownership savings and network agility through the intelligent integration of market leading security, unified communications, wireless, and application services. This Cisco 1900 series integrated services router offers embedded hardware encryption acceleration, optional firewall, intrusion prevention, and application services. In addition, the platforms support the industries widest range of wired and wireless connectivity options such as T1/E1, xDSL, 3G, and GE.<br />Cisco 2800 Series: <br />The Cisco 2800 Series routers, ideal for small to medium-sized businesses and enterprise branch offices, offer secure, wire-speed delivery of concurrent data, voice, and video services; offer features such as hardware-based VPN encryption acceleration, intrusion-protection and firewall functions, and optional integrated call processing and voice mail; offer a wide variety of network modules and interfaces, voice digital signal processor (DSP) slots, high-density interfaces for a wide range of connectivity requirements, and sufficient performance and slot density for future network expansion requirements and advanced applications.<br />More: The Cisco 2800 Series comprises four platforms: Cisco 2801, Cisco 2811, Cisco 2821, and Cisco 2851.<br />Cisco 2900 Series: <br />As a type of router for small to medium enterprise with high performance, Cisco 2900 series ISRs offer embedded hardware encryption acceleration, voice- and video-capable digital signal processor (DSP) slots, optional firewall, intrusion prevention, call processing, voicemail, and application services. In addition, the platforms support the industries widest range of wired and wireless connectivity options such as T1/E1, XDSL, copper and fiber GE. <br />Cisco 3800 Series: <br />The Cisco 3800 Integrated Services Routers extends Cisco Systems' leadership in multiservice routing, providing customers with unparalleled network agility, performance, and intelligence. The Cisco 3800 routers feature embedded security processing, significant performance and memory enhancements, and new high-density interfaces that deliver the performance, availability, and reliability required for scaling mission-critical security, IP telephony, business video, network analysis, and Web applications in the most demanding enterprise environments. Built for performance, the Cisco 3800 Series routers deliver multiple concurrent services at wire-speed T3/E3 rates.<br />Cisco 3900 Series: <br />Cisco 3900 router offers embedded hardware encryption acceleration, voice- and video-capable DSP slots, optional firewall, intrusion prevention, call processing, voicemail, and application services. In addition, the platforms support the industry's widest range of wired and wireless connectivity options such as T1/E1, T3/E3, xDSL, copper, and fiber Gigabit Ethernet.<br />Cisco 7200 Series: <br />Cisco 7200 series router delivers exceptional performance and price, modularity, and scalability in a compact form factor with a wide range of deployment options. To support a wide range of density, performance, and service requirements, the Cisco 7200 Series offers exceptional price/performance (the new NPE-G2 Network Processing Engine aggregates services at up to 2 Mpps); a wide range of connectivity options and numerous features including serviceability and manageability; increased VPN performance with the new VPN Services Adapter; increased scalability and flexibility with the new Port Adapter Jacket Card. <br />Cisco 7600 Series: <br />The Cisco 7600 Series is the industry's first carrier-class edge router to offer integrated, high-density Ethernet switching, carrier-class IP/MPLS routing, and 10-Gbps interfaces, benefiting enterprises and helping enable service providers to deliver both consumer and business services over a single converged Carrier Ethernet.<br />Ideal for Enterprise WAN aggregation or service provider environments, Cisco 7600 series is the industry's first carrier-class edge router to offer integrated, high-density Ethernet switching, carrier-class IP/MPLS routing, and 10-Gbps interfaces, benefiting enterprises and helping enable service providers to deliver both consumer and business services over a single converged Carrier Ethernet network. <br />More info will be seen from http://www.router-switch.com/ <br />