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As technology advances, the distinction between routers and switches has grown blurred. Fundamentally, routers are Layer 3 devices that connect networks. A common example is connecting a small business Ethernet network to the Internet via DSL. Switches are instead L2 devices that interface various devices within a network. Generally, routers rely on CPUs to send data based on complex software, offering flexibility at the expense of speed. Switches, by comparison, rely on largely predefined hardware designs to forward data at the fastest possible rate. Today's routers ordinarily include L2 switches, and many modern switches include some Layer 3 routing functionality. Routers offered by Cisco, the source of 90% of the world's routers, have improved significantly in capability and performance and Cisco offers an extensive portfolio that features routers designed to handle the requirements of users from households to nationwide service providers.

The latest ISR routers released by Cisco have the performance and built-in functionality to support IP voice and video plus virtualization while also offering fault tolerance, remote administration, seamless scalability, and enhanced security and compliance. Cisco's ISR routers enable you to establish a firm basis for an IT network that can evolve smoothly as you add new workers, open extra sites, deploy new services, give access to your network to clients and partners, and support an expanding mobile workforce. Progent’s Cisco qualified CCIE network engineers offer immediate and affordable remote expertise to help your company to select, configure, manage, update, and support Cisco's most advanced routers and can help you to maintain your legacy routers or move efficiently to Cisco’s current router products.

Cisco Routers Designed for Small Businesses and Branch Offices
Cisco’s routers for small organizations and branch offices offer low-cost and dependable no-frills solutions that enable limited groups of users to have safe connectivity to wide area networks. These single-configuration desktop devices include at least four 10/100 Ethernet ports with wireless options and built-in firewall to provide enhanced protection. Built for simple installation, management, and support, Cisco’s entry-level routers reduce TCO by lowering equipment and operational expenses. Progent’s online troubleshooting experts have in-depth experience providing fast and affordable technical help for small businesses to configure and support these routers, and Progent’s CCIE network consultants can assist you to understand ways Cisco’s entry-level routers can add to the strategic value of your information system.

Cisco Small Business RV Series Routers
Cisco's affordably priced RV Series VPN Routers are engineered to offer small businesses with VPN technology that permits remote users to connect to a network securely. Devices in the Cisco RV Series VPN Routers can support up to 100 VPN tunnels, include 4 to 16-port Ethernet switches, come with integrated firewalls with sophisticated encryption, and support web-based setup for easy set up and management. All models accommodate fast Ethernet and some models support Gigabit Ethernet. Both wired and wireless versions are offered. Cisco's RV Series routers do not incorporate Cisco’s popular IOS software.

The Cisco RV042 VPN Router features a 4-port 10/100 switch and can safely support up to 50 branch offices or off-site workers through Internet Protocol Security or Point-to-Point VPN tunneling. Cisco's RV042G can handle Gigabit Ethernet. The Cisco RV082 Dual WAN VPN Router features an 8-port 10/100 switch and can manage up to 100 remote offices or off-site users with full IPsec VPN tunneling. Cisco's RV016 Multi WAN VPN Router has 16 switched 10/100 Ethernet ports, supports up to 100 remote connections, and lets up to 7 switched ports to be configured for traffic load balancing or for service provider backup to provide non-stop Internet connectivity.

Cisco's more current products in the growing selection of RV Series Routers include the Cisco RV120W Wireless-N VPN with a 4-port switch and support for as many as 10 IPsec VPN connections, the RV180W wired/Wireless-N Multifunction VPN Router/Access Point with a 4-port Gigabit switch and support for 12000 Concurrent sessions and 10 IPsec VPN connections, Cisco's ultra-affordable RV215W wired/Wireless-N Router with a 4-port Ethernet switch and USB support to enable WAN connections, and the Cisco 325 RV325 Dual Gigabit WAN VPN Router with a built-in a 14-port Gigabit switch and Dual Gbit WAN ports for load balancing as well as USB connections attaching 3G and 4G modems for WAN failover.

Cisco 800 Series ISR Routers
Cisco's extensive portfolio of 800 Series ISR routers consists of desktop, fanless devices intended for small businesses, branch offices, retail venues, telecommuters, and customers of ISPs. Many models in the 800 Series family of routers have been released with various options over many years. The 881 Series of ISR routers suggests the wide selection of options available within Cisco's 800 line of routers. Models in Cisco's 881 Series router catalog can support unified media networks by providing voice and video, wireless and data in a single integrated router and switch. Advanced data protection can include encryption, VPN tunneling, firewall, and URL filtering. For survivability, available features for 881 ISR routers include duplicate wide area network connections or support for landline broadband WAN connections like DSL as well as multiple cellular 3G and 4G wireless WAN connections all built into a single appliance.

The baseline Cisco 881 features a 4-port fast Ethernet managed switch that delivers 15 Mbps performance, the ability to handle up to 20 users, 2-port integrated PoE, and IPv6 support. Cisco's 881W ISR router supports 802.11g/n Wi-Fi. Cisco's 881 SRST router includes four FXS ports and 1 FXO port for PSTN fallback with Cisco SRST. With a Cisco CUBE license, Cisco's 881 ISR router allows SIP trunk connectivity as a replacement for outdated PRI lines or foreign exchange-office (FXO) voice connectivity to a PSTN carrier. CUBE-based SIP trunks can also connect offsite call agents in Cisco Call Center deployments.

Cisco Integrated Services G2 Routers
Cisco's ISR Generation 2 routers are intended to offer satellite offices of enterprises with advanced collaboration, virtualization, security, and dependable connectivity. ISR G2 routers introduce a design that protects prior investments in service modules for first-generation Integrated Services Routers and reduces future expenses by permitting field installation of new modules as they become available. Compared to previous Integrated Services Routers, Cisco's Integrated Services G2 routers offer 2-7 times higher performance, substantially more, and more affordable maintenance. All Cisco Integrated Services Generation 2 routers offer gigabit switching and incorporate multi-core processors and multigigabit fabric for higher performance. Integrated Services Generation 2 routers also offer smart power control for better energy efficiency.

A key innovation with ISR Generation 2 routers is the Cisco IOS Software Universal image which contains all of the IOS feature sets so that your company can rapidly authorize and activate extra services as required without needing to download and transfer a new IOS image to yourCisco router. Progent's group of CCIE-certified network consultants can provide world-class expertise to assist your business to design, implement, and support multi-location deployments of Cisco Integrated Services G2 routers that improve branch office productivity and cut the costs of expansion and support.

Cisco 1900 ISR G2 Routers
Cisco 1941 and 1941W ISR G2 routers offer on-board encryption, optional Cisco IOS firewall, Cisco IOS intrusion prevention, and as many as 11 modular LAN switchports. The 1941W ISR router provides an WiFi access point that enables cordless connectivity to high-speed data, voice, and video applications via MIMO support that expands the range of current 802.11a/b/g users. Connectivity options for the Cisco 1941 and 1941W Integrated Services G2 routers include T1/E1, xDSL, 3G, and GE.

In comparison to the previous 1841 Integrated Services router which they are able to substitute for, the 1900 Series ISR G2 routers have 256 megabytes vs. 32 MB of flash storage as standard, and this can be expanded to 4GB vs. 128 MB. Default dynamic RAM capacity is 256 megabytes vs. 128 MB and top DRAM size is 2.25 gigabytes instead of 384 MB. Unlike the 1841 router, the 1900 Series ISR G2 routers include a USB console instead of the older DB-9 interface and includes a slot for the new ISM module to replace the slot for the older and slower AIM module. In contrast to top-of-the-line Integrated Services G2 routers, the Cisco 1941 and 1941W ISR G2 routers do not support redundant power or slots for Packet Voice and fax DSP Modules.

Cisco 2900 ISR G2 Routers
Cisco 2900 ISR G2 Routers are available in four models which correspond to the models in Cisco’s popular 2800 router family. Cisco’s 2901, 2911, 2921, and 2951 Integrated Services G2 routers include on-board hardware encryption, voice and video capable Digital Signal Processor slots, optional firewall, Cisco IOS intrusion prevention, voice mail, and from 16 up to 50 LAN switches. The integrated encryption circuitry provides IPsec and Secure Sockets Layer VPN for safe remote connections and is significantly faster than the AIM modules supported by 2800 series routers. The high-end Cisco 2951 ISR G2 router supports 600 Session Initiation Protocol sessions. Wired and wireless connectivity options include T1/E1, T3/E3, xDSL, plus copper and fiber GE.

Cisco 2900 Integrated Services G2 routers accommodate the Cisco Enhanced EtherSwitch Service Modules, offering high-throughput capability identical to the Catalyst 2960 and Catalyst 3650-E Series Switches. In comparison to the previous 2821 ISR router that the 2921 Integrated Services G2 router is intended to substitute for, the Cisco 2921 router is shipped standard with 256 megabytes as opposed to 64 MB of CompactFlash storage and can be loaded with up to 4 gigabytes vs. 256 MB. Standard DRAM size is 512 MB vs. 256 MB and maximum dynamic RAM size is 2.5 GB vs. 1 GB.

Cisco 3900 Series Integrated Services G2 Routers
Cisco offers four models for the high-end 3900 Series ISR G2 router, the 3925, 3945, 3925E, and 3945E. These devices deliver the top performance and add-in slot densities in Cisco’s ISR Generation 2 family and support high-speed digital signal processors for the most resource-intensive voice/video applications, fast integrated encryption, a broad range of connectivity options, up to 98 modular Ethernet LAN Switchports, and as many as 2,500 SIP sessions. To preserve your IT investment, the Cisco 3900 ISR G2 routers support Cisco’s Services Performance Engine, a modular motherboard that can be replaced easily to enhance throughput without forcing your business to purchase another router. Like other Integrated Services G2 routers, the 3900 family also preserves past investments by supporting most of the modules from older Cisco Integrated Services Routers. For improved fault tolerance, 3900 ISR G2 offer two integrated power supplies.

In comparison to the previous 3825 ISR router that the Cisco 2921 Integrated Services G2 router is intended to substitute for, the Cisco 3925 router is shipped by default with 256 megabytes instead of 64 MB of CompactFlash storage and can be loaded with up to 4GB vs. 256 megabytes. Standard dynamic RAM capacity is 1 gigabyte vs. 256 MB and maximum dynamic RAM size is 4 gigabytes vs. 1 gigabytes.

4000 Series ISR Routers
Cisco's 4000 Line of ISR Routers are modular and expandable routers designed for organizations with multiple branches and offsite workers requiring direct access to private data centers and public clouds via VPNs and the Internet. Cisco's 4000 series delivers the throughput required for distributed enterprise sites to accommodate mobile workers, cloud services, and HD multimedia applications by utilizing network optimization, deep packet inspection, and advanced traffic-management technology. Models in the ISR 4000 product line are powered by Cisco's powerful IOS XE operating system, come in a 1-rack-unit (RU) or 2RU package, can support Up to 2 Gbps of throughput, and can have up to 3 interface slots, 2 service module slots, 4 integrated 10/100/1000 Ethernet ports, and 8 CPU core server modules. ISR 4000 models support integrated Gigabit Ethernet, T1/E1, T3/E3, PR1, xDSL and other interfaces. To handle unified communications, Cisco's 400o ISR offers extensive edge support technology for policy-enhanced session border control, telephony fault tolerance, and Time Division Multiplexing gateways.

The primary difference between Cisco's 4400 ISR and 4300 Series is redundant power supply support in the 4400 Series, providing a greater degree of fault tolerance. The 4321 Integrated Services Router comes in a 1 RU desktop form factor and includes two network interface modules, offers as much as 100 Mbps performance, and allows up to 240 Digital Voice and Video Channels. The 4331 Integrated Services Router has a 1 RU package and includes two network interface modules, offers up to 300 Mbps throughput, and allows up to 360 Digital Voice and Video Channels. The 4351 Integrated Services Router has a 2 RU form factor with three network interface modules, offers as much as 400 Mbps performance, and supports 720 Digital Voice and Video Channels. The power-redundant 4431 router has a 2 RU form factor with three network interface modules, offers as much as 1 Gbps performance, and can handle 720 Digital Voice and Video Channels. Cisco's redundant-power 4431 ISR Router comes in a 2 RU form factor with three network interface modules, delivers up to 2 Gbps throughput, and can handle 1200 Digital Voice and Video Channels.

Cisco's First Generation ISR Routers
Cisco's original Integrated Services Routers, with in excess of 6M devices in the field, are the industry's most popular solution for small businesses and enterprises with branch offices to ensure high-performance, safe, and reliable connectivity to key applications. Progent's CCIE network engineers are seasoned experts at delivering remote consulting, management, and problem solving support for Cisco 1800, 2800, and 3800 series Integrated Services Routers. Progent can help your company to move up to the current release of Cisco IOS Software with minimal disruption to your network, evaluate the security vulnerability of your router configuration, and help business to move cost effectively to the new line of Cisco Integrated Services G2 routers when it makes competitive sense for your business.

Cisco 1800 Series Integrated Services Routers
The modular Cisco 1800 Series of integrated services routers combine data and security within one resilient system for fast, scalable connectivity with strategic business programs. The 1800 Series design has been especially developed to meet the requirements of small and midsize organizations, branch offices, and service provider-managed services applications for access to concurrent services at high speed. The integrated services systems architecture of the Cisco 1800 Series routers delivers optimum flexibility and investment protection.

The Cisco 1841 router offers important benefits relative to older generations of Cisco 1700 Series devices by delivering more than a fivefold speed increase and integrated hardware-based encryption enabled by an optional Cisco IOS Software protection image. The 1841 router dramatically improves plug-in card slot performance as well as density in comparison to the Cisco 1700 Series while still providing compatibility with dozens of existing WAN interface cards (WICs) and multiflex trunk cards (voice/WICs (VWICs)-for data only). The 1841 device offers further enhancement of VPN speed with an available VPN acceleration module; an intrusion prevention system (IPS) and firewall capabilities; compatibility with a broad array of interface needs, including support for integrated switch ports; and enough speed and expansion slot density for ongoing network expansion and advanced applications.

2800 Integrated Services Routers
Targeted at small to medium-sized businesses and corporate satellite offices, Cisco's 2800 Series consists of four basic versions: the 2801 router, the 2811, the Cisco 2821, and the 2851 router. Cisco's 2800 Series routers provide substantial additional value compared to older generations of Cisco routers at similar prices by offering as much as a 5x performance improvement, as much as a 10x improvement in protection and voice performance, integrated service features, and dramatically increased plug-in slot performance and capacity while preserving support for most of the over 90 popular expansion modules in use currently for the 1700 Series, the Cisco 2600 Series, and Cisco's 3700 Series routers.

Cisco's 2800 router provides a range of common protection functions including an IOS Software Firewall, an intrusion prevention, IPsec VPN, Secure Sockets Layer Virtual Private Network, powerful application inspection and control, Secure Shell Protocol Version 2.0, and SNMPv3 in one protected solution. Also, by incorporating security features within the router itself, Cisco can provide unique intelligent security solutions other security appliances cannot, such as network admissions control for antivirus defense; V3PN for quality-of-service enforcement when combining voice, video, and Virtual Private Networks; DMVPN; Group Encrypted Transport (GET); and Easy Virtual Private Networks for supporting increasingly expandable and easier to manage VPN environments.

Companies can use the Cisco 2800 router to create an integrated IP telephony environment for up to 96 IP telephones, and can safely combine data, voice, and IP telephony on one platform for their small to midsize satellite offices.

Cisco 3800 Series Integrated Services Routers
3800 Series integrated services routers are designed for small and midsize businesses (SMBs) and corporate satellite offices to offer companies the highest degree of network versatility, speed, and functionality. Cisco 3800 integrated services routers seamlessly incorporate the latest network engineering, adaptive services, and protected enterprise communications into one robust platform. The Cisco 3800 Series routers ease deployment and management, lower network cost and complexity, and provide investment protection. Cisco 3800 Series integrated services routers feature embedded security processing, excellent performance and large memory capacity, and high-density interfaces that provide the speed, availability, and dependability required for scaling business-critical security, IP telephony, high-volume video, network analysis, and Web programs in the most demanding enterprise environments. Engineered for speed, the 3800 Series routers deliver multiple concurrent services that match wire-speed T3/E3 data rates.

The integrated services routing architecture of the 3800 router is built to combine security and voice handling with advanced wired and wireless services for rapid installation of new services, including application layer operations, intelligent network services, and unified communications. The Cisco 3800 Series integrated services router supports the bandwidth requirements for multiple 100Mbps interfaces for every expansion slot, time-division multiplexing (TDM) connections, and fully integrated power sourcing to modules supporting 802.3af Power over Ethernet (PoE), while still accommodating the existing portfolio of interfaces. This enables continuing return on investment by supporting network scaling or adapting to innovations in technology as new applications are deployed. By integrating the functions of multiple distinct appliances into a single small device, the 3800 router dramatically reduces the expense and hassle of administering remote networks.

Cisco's WAN Edge Routers and Service Provider Routers
Cisco’s midrange and service provider routers offer enterprises with high-performance, protected head ends to manage satellite office and off-site data packets and to provide carriers economical WAN edge routing. Cisco’s WAN aggregation and service provider router product line features the Cisco 7600 Series, the ASR 1000 Series Aggregation Services Routers, the ASR 9000 ASR Routers, and the Cisco Carrier Routing System.

Progent's nationwide team of Cisco CCIE certified network engineers have in-depth backgrounds helping global businesses and ISPs to plan efficient installations and seamless expansion of Cisco's midrange and carrier-class routers. Progent's GIAC-certified information assurance experts offer objective, independent security vulnerability assessments, stealth penetration services and advanced SIEM solutions to help enterprises that use Cisco's Aggregation Services Routers to meet business guidelines and statutory regulations for network information security and incident reporting.

7600 Series Integrated Services Routers
The Cisco 7600 Series Integrated Services router benefits from the Cisco Catalyst 6500 architecture by using an NEBS-3 box, 256-Gbps crossbar switch fabric, and 30-Mpps switching speed. High availability is provided through logical and physical redundancy plus IOS Software functions. In addition, the Cisco 7600 Series offers a rich set of high-touch network services at optical rates through a variety of OSMs enabled by Cisco patented PXF technology.

The Cisco 7609 Series provides the option to use a 256-Gbps Switch Fabric Module or the standard 32-Gbps data bus, delivering switching performance of 30 or 15 Mpps respectively. When the Switch Fabric Module is installed, the 7609 Series can also allow distributed switching with performance up to 168 Mpps by using the Catalyst 6500 16-port Gbit Ethernet card, which is powered by the Distributed Forwarding Card and the SFM.

The Cisco 7603 Series router offers only the 32-Gbps bus version and provides 15 Mpps performance. The 7603 Series does not offer Cisco's distributed switching.

Cisco ASR 1000 Series Aggregation Services Routers
Cisco’s ASR 1000 WAN Edge line of routers is positioned in the center of Cisco’s midrange products that concentrate on acting as headends at the WAN edge. ASR 1000 Series Aggregation Services routers provide a small footprint, single-product answer for enterprises who need satellite office service aggregation at multigigabit Ethernet performance. ASR 1000 Series routers incorporate an innovative architecture that mixes on-board acceleration with programmable versatility to deliver a multitude of simultaneous services while preserving consistent responsiveness.

Cisco’s ASR 1000 routers include Cisco’s new QuantumFlow Processor incorporating 40 custom Packet Processing Engines (PPEs) that together can support up to 160 concurrent processor threads. This parallel CPU architecture, combined with on-board acceleration for all services, enables the high-end ASR 1006 WAN Edge router to scale up to 128 hardware queues, 32K subscribers, 4,000 IP security tunnels at 10K sessions per second, and 2M Netflow records. This processing capability permits Cisco’s ASR 1000 routers to support a broad range of advanced services concurrently in high volume without suffering throughput degradation that could threaten adherence to service level agreements. Examples of these services include IOS Firewall, IPS, NAT, FPM, and deep packet inspection. The ASR 1000 also allows tiered traffic management for applying numerous levels of QoS to a packet in one operation, enhancing the user experience for next-generation multimedia applications.

Cisco ASR 9000 Series Routers
Cisco's ASR 9000 Series Aggregation Services Routers are intended as edge routers for carriers who need to deliver the highest quality HD multimedia services to home, commercial, and mobile users by providing always-on operation, high performance, and application-aware intelligence. All models in the ASR 9000 Series of Aggregation Services Routers run the IOS XR operating system, a self-healing, distributed operating system built for non-stop uptime. Performance of the Cisco ASR 9000 line of Aggregation Services Routers can be expanded up to 96 Tbps per system. the Cisco ASR 9000 Series of Aggregation Services Routers can handle high-density Gigabit Ethernet (GE), 10 GE, and 100 GE and have fully redundant fabric and power modules, power entry modules, plus backup control planes.

The ASR 9001 model is a carrier-edge router in a 6 RU package with 120 Gbps of nonblocking, full-duplex fabric performance. The ASR 9001 has two modular bays which can accept port adapters for 1 Gigabit, 10 Gigabit, and 40 Gigabit Ethernet. The base chassis incorporates four 10 Gbit Ethernet SFP+ ports and ports for GPS Stratum 1 clocking, building integrated timing supply, and management. The Cisco ASR 9904 Router comes in a 6 RU chassis and offers line-rate 10 and 100 GE connections in space-limited sites. The 4-slot router can support up to 4 Tbps of capacity in a single chassis. The ASR 9912 Router has a 30 RU chassis with 10 line-card slots able to support up to 550 Gbps of switching capacity. The Cisco ASR 9912 has 2 route processors as well as 6+1 Fabric Cards for N+1 redundancy.

The Cisco CRS Carrier Routing System for Core Networks
Cisco's Carrier Routing System product line, running Cisco's IOS XR self-healing, distributed software, gives carriers world-class capacity and availability. The Cisco CRS product line was introduced in 2004, has been continuously enhanced, and now features the world's most widely deployed multishelf network core router system. To protect existing capital investments in network infrastructure, the latest CRS models are backward compatible with previous products.

Available product families in the CRS portfolio are the CRS-1, CRS-3, and CRS-X Series. Every CRS series includes single-shelf 4-slot, 8-slot, and 16-slot systems plus multiple-shelf versions. The Cisco CRS-1 product line is based on Cisco's Silicon Packet Processor technology and delivers as much as 92 Tbps of performance. Routers in the CRS-3 Series are based on QuantumFlow Array technology and are able to deliver up to 322 Tbps performance. Cisco's CRS-X Series Routers incorporate CMOS photonics CPAK technology and can be expanded to deliver an impressive 922 Tbps performance.

Cisco's Carrier Routing System Multichassis platforms can expand to support up to 72 line-card shelves with the ability to deliver 400-Gigabit per second of continuous performance per slot. CRS Multichassis models can accommodate up to 8 fabric shelves. Modular services cards (MSCs) and physical layer interface modules (PLIMs) are compatible throughout the whole Cisco CRS family.

Older Cisco Routers Supported by Progent's Consultants
Progent's Cisco certified support experts are familiar with older Cisco routers no longer offered by Cisco. Progent can help you to maintain these routers and can also help you to rationalize and carry out migrations to current versions. Older Cisco routers maintained by Progent include:

• Cisco 500 Series Routers
  The Cisco 520 model router, designed to support up to 50 users, includes a 4-port 10/100 switch and a single Cisco IOS Software image. By supporting a simple but powerful array of Cisco IOS control software features, Cisco’s 520 Secure Router simplifies setup, management, and troubleshooting, yet nevertheless delivers advanced protection and performance options to match the particular needs of your business.

• Cisco 850 and 870 Model Unified Communications Routers
  Cisco's legacy 850 Series access routers are designed for small networks, recommended for up to 10 users or for teleworker environments where secure and economical access is needed. 850 Series access routers offer secure access with firewall and IPsec VPN support, a 4-port 10/100 switch, a secure WLAN 802.11b/g option with an antenna, and easy configuration and deployment and remote administration capabilities through Web-based tools and IOS Software.

  Cisco's discontinued 870 routers are designed for small networks with up to 20 users or for teleworker environments where advanced VoIP and video and reliable connectivity using standby Internet links are needed. Cisco 870 Series routers offer excellent speed in small offices as well as enhanced security via services such as stateful Inspection Firewall, IPsec VPN, 3DES or Advanced Encryption Standard (AES) plus DMVPN and Tunnel-less Group Encrypted Transport, an intrusion prevention system (IPS), virus defense using Network Admission Control (NAC), and enforcement of secure connection policies.

• 1700 Series
  Cisco 1700 Series access routers are engineered to provide an affordable, integrated e-business platform for small and medium-sized organizations. 1700 Series provide flexibility and ease of administration to satisfy challenging e-business needs including data/voice/video/fax integration, fast wire-rate Internet connection, and comprehensive security options. 1700 Series routers have been replaced by Cisco's 1800 Series of integrated services routers and the 1900 Integrated Services G2 routers.

• 2600 Routers
  The Cisco 2600 Series of routers is a family of modular routers for branch offices, providing versatile LAN and WAN configurations, comprehensive protection features, and a range of high performance processors. Cisco 2600 routers have been superseded by Cisco's 2800 family of ISR routers and the 2900 ISR G2 routers.

• Cisco 3700 Series
  The Cisco 3700 Series is a line of access appliances for medium and large-sized office networks. With over 70 interface add-in products, the 3700 product line offers a robust solution for data, voice and video, Virtual Private Networks, and multiprotocol routing. Cisco 3700 routers have been superseded by Cisco's 3800 Series of integrated services routers and the 3900 Series ISR G2 routers.

• Cisco 7200 VXR Series Routers
  The Cisco 7200 VXR Series router delivers performance, flexibility, and expandability in a small footprint with a broad selection of deployment profiles. With processing speeds up to two mega-packets / second, adapters ranging from NxDS0 to GbE, plus OC-3 as well as a number of high-touch IP services, the Cisco 7200 VXR Series router is a solid broadband aggregation WAN/MAN edge device for large corporations and ISPs. The Cisco 7200 VXR router features services aggregation by handling up to 16,000 PPP sessions per unit, voice/video/data support with TDM-enabled VXR frame and voice interface adapters, direct IP-interconnections, and IP Security VPN scalable to 5K tunnels per chassis.

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