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As technology advances, the difference between router and switch products has grown less clear. At heart, routers are Layer 3 products designed to connect networks with one another. A common scenario is connecting a small business network to the Internet via DSL. Switches are Layer 2 (L2) devices that interconnect various devices that share the same network. Generally, routers depend on computation to move data based on sophisticated software, providing versatility at the expense of speed. Switches, on the other hand, depend on largely fixed hardware configurations to steer traffic at the fastest possible rate. Today's routers ordinarily incorporate Layer 2 switching capability, and many of today’s switches include Layer 3 routing capability. Routers offered by Cisco, the producer of the vast majority of the industry's routers, have improved significantly in function and performance and Cisco now offers a comprehensive portfolio that features routers engineered to handle the requirements of customers from households to the world's largest service providers.

The latest ISR routers released by Cisco offer the performance and integrated functionality to manage data voice and video as well as virtual environments while also offering fault tolerance, remote management, seamless extensibility, and enhanced security and compliance. Cisco's ISR routers allow your business to build a solid foundation for an IT network that can grow seamlessly as you add new employees, establish new offices, configure new services, give access to your system to customers and partners, and support an expanding mobile user base. Progent’s Cisco CCIE network engineers can provide fast and economical online support to help your company to select, configure, administer, upgrade, and troubleshoot Cisco's most advanced routers and can assist you to support your older routers or move efficiently to Cisco’s newer networking solutions.

Cisco Routers Designed for Small Businesses and Branch Offices
Cisco’s routers for small companies and remote offices provide low-cost and reliable no-frills alternatives that allow small groups of users to have safe connectivity to the Internet. All these fixed-configuration desktop devices include at minimum four switched Ethernet with Wi-Fi options and integrated firewall for enhanced security. Designed for easy installation, management, and troubleshooting, Cisco’s entry-level routers minimize ownership costs by cutting acquisition and operational expenses. Progent’s remote troubleshooting specialists have extensive experience providing fast and economical IT help for small businesses to configure and maintain these devices, and Progent’s Cisco-certified CCIE network consultants can help your company to determine whether and how Cisco-s small office routers can increase the business value of your information network.

Cisco RV Series VPN Routers
Cisco's economical RV Series Routers are engineered to offer small organizations with VPN technology that permits telecommuters and mobile workers to access a network securely. Models in the RV Series VPN Routers can support from five to 100 VPN tunnels, include 4-, 8-, or 16-port Ethernet switches, have built-in firewalls that provide sophisticated data encryption, and allow browser-based configuration for remote deployment and management. All models accommodate 10/100 Ethernet and several models support Gigabit Ethernet. Wired/Wireless versions are available. Cisco's RV Series routers do not incorporate Cisco’s IOS software.

Cisco’s RV042 VPN Router features a 4-port 10/100 Ethernet switch and can safely support up to 50 branch offices or off-site users via IPsec or Point-to-Point tunneling protocol. Cisco's G version can handle Gigabit Ethernet. Cisco's RV082 model VPN Router has an 8-port 10/100 Ethernet switch and can support 100 branch offices or off-site workers with full IPsec VPN tunneling. Cisco's RV016 Multi WAN VPN Router includes 16 switched 10/100 Ethernet ports, supports 100 online connections, and allows as many as 7 ports to be set up for load balancing or for service provider backup to provide non-stop Internet connectivity.

More recent models in Cisco's portfolio of Small Business RV Series VPN Routers include the RV110W Wireless-N VPN Firewall with a 4-port 10/100 Ethernet switch and support for as many as four VLANs, the Cisco RV130W Wireless-N Multifunction VPN Router with a 4-port Gigabit Ethernet switch and support for 12000 Concurrent sessions, the RV220W Wireless Firewall with a 4-port Gigabit Ethernet switch and support for 25 IPsec VPN connections, and the Cisco 320 RV320 Dual Gigabit WAN VPN Router that includes a 4-port Gigabit switch and Dual Gbit WAN ports for load balancing.

Cisco 800 Line of ISR Routers
Cisco's extensive portfolio of 800 Series ISR routers consists of desktop, fanless devices intended for small businesses, branch offices, retail shops, telecommuters, and customers of ISPs. A wealth of devices in the 800 Series product line have been released with many options for many years. Cisco's 881 line of ISR routers suggests the wide array of options offered within Cisco's 800 Series product family. Models in Cisco's 881 Series router catalog can enable converged media networks by providing voice and video, wireless and data in a single integrated router and switch. Advanced security can include encryption, VPN tunneling, firewall, and URL filtering. For survivability, available features for Cisco 881 routers include duplicate wide area network links or support for landline broadband WAN connections such as DSL as well as multiple 3G and 4G wireless connections all built into a single appliance.

The baseline Cisco 881 router features a 4-port fast Ethernet managed switch that delivers 15 Mbps performance, the ability to handle 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 features four FXS ports and 1 FXO port for PSTN fallback with Cisco Survivable Remote Site Telephony. With a Cisco Unified Border Element (CUBE) license, the Cisco 881 ISR router supports SIP trunking as a replacement for outdated Primary Rate Interface (PRI) lines or FXO voice connectivity to a PSTN carrier. CUBE-based SIP trunks can also support remote call agents in Cisco Call Center environments.

Cisco ISR G2 Routers
Cisco's Integrated Services Generation 2 routers are designed to provide satellite offices of enterprises with advanced video and voice applications, virtualization, security, and dependable connectivity. ISR G2 routers introduce an architecture that protects prior investments in modules for first-generation Integrated Services Routers and reduces future expenses by permitting field upgrades to new modules as they are developed. In comparison to older ISR routers, Cisco's ISR Generation 2 routers feature 2-7 times more performance, far greater expandability, and more affordable maintenance. All Integrated Services G2 routers offer gigabit switching and include multi-core CPUs and multigigabit fabric for higher throughput. Integrated Services Generation 2 routers also support smart power management for improved energy conservation.

A key innovation with ISR G2 routers is the Cisco IOS Universal image which contains all of the IOS feature sets so that you can rapidly license and activate extra features as required without needing to acquire and copy a different IOS image to yourCisco router. Progent's group of CCIE network consultants offer world-class expertise to assist your business to plan, configure, and support multi-location installations of Cisco ISR G2 routers that improve satellite office productivity and cut the costs of upgrades and support.

Cisco 1900 Integrated Services G2 Routers
1900 ISR G2 routers include accelerated hardware encryption, optional Cisco IOS firewall, intrusion prevention, and a maximum of 11 modular LAN switchports. The 1941W ISR router provides an integrated 802.11n Wi-Fi access point that enables wireless access to high-speed data, voice, and video through Multi-Input, Multiple-output technology that improves coverage for existing 802.11 clients. Connectivity alternatives for the 1900 Series Integrated Services G2 routers include T1/E1, xDSL, 3G, and GbE.

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

2900 Series ISR G2 Routers
Cisco 2900 Series Integrated Services G2 Routers are available in four models which correspond to the routers in Cisco’s successful 2800 router family. Cisco’s 2901, 2911, 2921, and 2951 ISR G2 routers offer on-board hardware encryption acceleration, voice and video ready Digital Signal Processor slots, optional Cisco IOS firewall, Cisco IOS intrusion prevention, call processing, and from 16 up to 50 LAN switchports. The on-board encryption circuitry provides IPsec and Secure Sockets Layer VPN for protected off-site connections and is dramatically faster than the Advanced Integration Modules supported by Cisco 2800 routers. The high-end Cisco 2951 ISR G2 router can handle 600 SIP sessions. Wired and wireless connectivity alternatives include T1/E1, T3/E3, ADSL and SDSL, as well as GE.

Cisco 2900 Integrated Services G2 routers support the Cisco Enhanced EtherSwitch Service Modules, providing high-throughput capability that match the Catalyst 2960 and Catalyst 3650-E Series Switches. Compared to the previous 2821 ISR router which the 2921 Integrated Services G2 router is intended to replace, the Cisco 2921 router is shipped standard with 256 MB vs. 64 MB of flash storage and can be expanded to 4GB vs. 256 megabytes. Standard dynamic RAM capacity is 512 MB vs. 256 MB and maximum DRAM capacity is 2.5 GB vs. 1 gigabytes.

3900 Series ISR G2 Routers
Cisco offers four models for the top-of-the-line 3900 Series ISR Generation 2 router, the 3925, 3945, 3925E, and 3945E. These devices offer the highest throughput and add-in slot densities in Cisco’s ISR G2 product line and can accept fast DSPs for the most demanding multimedia applications, accelerated integrated encryption, a broad selection of connectivity options, a maximum 98 modular Ethernet LAN switches, and as many as 2,500 Session Initiation Protocol sessions. To preserve your investment, the Cisco 3900 ISR G2 routers include the Cisco Services Performance Engine (SPE), a modular motherboard that can be swapped out easily to improve processing power without forcing you to purchase another device. As with other Cisco Integrated Services G2 routers, the 3900 Series also protects previous investments by supporting most of the add-in modules from older Cisco ISR routers. For improved uptime, 3900 Series ISR G2 offer two power supplies.

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

Cisco 4000 Series Integrated Services Routers
The Cisco 4000 Line of Integrated Services Routers (ISRs) are compact modular and expandable routers designed for organizations with a large number of branch offices and offsite users who need direct communication with private data centers as well as public clouds via VPNs and the Internet. Cisco's 4000 series delivers the throughput needed for distributed enterprise sites to accommodate mobile workers, cloud services, and HD multimedia applications by using WAN optimization, deep packet inspection, and traffic-management techniques. Models in the ISR 4000 family run Cisco's powerful IOS XE operating system, come in a 1-rack-unit (RU) or 2RU package, are able to handle Up to 2 Gbps of traffic, and can include up to 3 interface slots, 2 service module slots, 4 integrated 10/100/1000 Ethernet ports, and 8 CPU core integrated server modules. Cisco ISR 4000 models support integrated Gigabit Ethernet, T1/E1, T3/E3, PR1, xDSL and other interfaces. To handle unified communications, the 400o ISR offers extensive edge support technology for session border control, branch telephony survivability, and Time Division Multiplexing gateways.

The primary difference between the Cisco 4400 and 4300 Series Routers is the inclusion of dual power supply support in the 4400 Series, offering a greater degree of availability. The 4321 Integrated Services Router comes in a 1 RU desktop package with two network interface modules (NIMs), delivers up to 100 Mbps throughput, and allows up to 240 Digital Voice/Video Channels. Cisco's 4331 Integrated Services Router comes in a 1 RU package and includes two network interface modules, offers up to 300 Mbps performance, and allows up to 360 Digital Voice and Video Channels. Cisco's 4351 model has a 2 RU form factor with three NIMs, delivers as much as 400 Mbps throughput, and allows up to 720 Digital Voice/Video Channels. The dual power supply 4431 ISR Router has a 2 RU form factor and includes three NIMs, offers up to 1 Gbps throughput, and supports 720 Digital Voice/Video Channels. Cisco's fault-tolerant 4431 model features a 2 RU package and includes three network interface modules, provides up to 2 Gbps performance, and supports 1200 Digital Voice and Video Channels.

Cisco's First Generation ISR Routers
Cisco's first-generation Integrated Services Routers, with in excess of 6M devices deployed, have become the world's most popular solution for small companies and enterprise satellite offices to achieve high-performance, secure, and dependable connectivity to key applications. Progent's CCIE network consultants are seasoned experts at providing online design, management, and problem solving services for Cisco 1800, 2800, and 3800 series ISR routers. Progent can assist you to move up to the current release of Cisco IOS Software with the least possible disruption to your network, evaluate the security vulnerability of your router configuration, and help you to move cost effectively to the new releases of Cisco ISR G2 routers whenever it is appropriate for your company.

Cisco 1800 ISR Routers
The Cisco 1800 family of integrated services routers combine data and security into one resilient system for fast, expandable access to vital business applications. The Cisco 1800 Series design has been especially engineered to satisfy the needs of small and midsize businesses, enterprise branch offices, and ISP-managed services applications for access to concurrent services at high performance. The integrated secure systems architecture of the Cisco 1800 Series routers offers optimum flexibility and investment protection.

Cisco's 1841 router provides substantial benefits compared to prior generations of 1700 Series devices by bringing more than a 5x speed improvement and integrated hardware encryption activated by an available Cisco IOS Software protection image. The Cisco 1841 integrated services router dramatically increases interface card slot throughput as well as capacity over the Cisco 1700 Series while providing compatibility with over 30 available WAN interface cards (WICs) and multiflex trunk cards (voice/WICs (VWICs)-for data only on the 1841 router). The 1841 router provides further enhancement of Virtual Private Network performance with an available Virtual Private Network acceleration add-in; IPS and firewall capabilities; support for a wide array of connectivity requirements, including support for optional integrated switch ports; and sufficient speed and slot density for future network growth and next-generation applications.

2800 Integrated Services Routers
Targeted at small to midsize businesses (SMBs) and corporate branch offices, Cisco's 2800 Series routers comprises four platforms: the Cisco 2801, the Cisco 2811, the Cisco 2821, and the 2851 router. Cisco's 2800 routers provide substantial added value in comparison to older models of Cisco routers at comparable prices by offering up to a five times performance increase, up to a 10 times improvement in security and voice speed, embedded service features, and dramatically increased slot performance and capacity while preserving compatibility with the vast majority of the over 90 existing expansion modules available today for the Cisco 1700 Series, Cisco's 2600 Series, and Cisco's 3700 Series routers.

Cisco's 2800 offers a range of popular protection functions including an IOS Software Firewall, an Intrusion Prevention System (IPS), IP security Virtual Private Network, SSL VPN, advanced application inspection and control, Secure Shell (SSH) Protocol Version 2.0, and SNMPv3 in a single protected solution. Additionally, by integrating security features within the router itself, Cisco can offer special intelligent security solutions other security appliances can't, such as network admissions control for antivirus defense; Voice and Video Enabled VPN for QoS support when mixing voice, video, and VPN; DMVPN; Group Encrypted Transport; and Easy VPN for supporting more expandable and easier to manage VPN networks.

Organizations can use the Cisco 2800 Series to create a converged IP telephony network for up to 96 IP phones, and can securely combine data, voice, and IP telephony on a single platform for their small to midsize branch offices.

Cisco 3800 Series Integrated Services Routers
The Cisco 3800 Series routers are designed for small-to-medium-sized businesses and corporate satellite offices to offer businesses the highest degree of network agility, speed, and functionality. Cisco 3800 integrated services routers smoothly integrate advanced network engineering, adaptive services, and secure corporate communications into one resilient system. The Cisco 3800 Series routers ease deployment and management, lower network cost and complexity, and provide investment protection. 3800 Series integrated services routers offer embedded security intelligence, fast performance and large memory capacity, and high-density interfaces that provide the speed, availability, and dependability required for building business-critical protection, IP telephony, high-volume video, system analysis, and Web programs in the most competitive corporate networks. Engineered for speed, the 3800 Series integrated services routers provide multiple concurrent services up to wired T3/E3 rates.

The integrated services routing technology of the Cisco 3800 router is designed to integrate security and voice processing with advanced wired and wireless services for fast deployment of new applications, including application layer functions, intelligent network services, and unified communications. The Cisco 3800 Series integrated services router meets the throughput requirements for multiple 100Mbps ports for every expansion slot, time-division multiplexing interconnections, and fully integrated power sourcing to expansion modules compatible with 802.3af PoE, while also accommodating the traditional portfolio of interfaces. This ensures ongoing return on investment by allowing network scaling or adapting to innovations in technology as new services are added. By combining the capabilities of multiple distinct appliances into a single compact device, the 3800 router dramatically reduces the expense and complexity of managing remote networks.

Cisco's WAN Edge Routers and Service Provider Routers
Cisco’s midrange and carrier routers offer enterprises with high-performance, protected head ends to manage satellite office and off-site data packets and to provide ISPs cost-effective WAN edge solutions. Cisco’s midrange and service provider router portfolio includes the Cisco 7600 Series Routers, the ASR 1000 Series Aggregation Services Routers, the ASR 9000 Series Aggregation Services Routers, and the Cisco Carrier Routing System.

Progent's national team of Cisco CCIE certified network engineers have extensive backgrounds helping enterprises and ISPs to design efficient installations and smooth expansion of Cisco's WAN edge routers. Progent's GIAC-certified information assurance consultants can provide unbiased, third-party network security vulnerability assessments, stealth penetration services and comprehensive Security information and Event Management (SIEM) solutions to help enterprises that use Cisco's Aggregation Services Routers to comply with business standards and statutory regulations for IT data protection and reporting.

Cisco 7600 Series Routers
The Cisco 7600 Series Integrated Services router takes advantage of the Catalyst 6500 Series infrastructure by using an NEBS-3 box, 256-Gbps crossbar switch fabric, and 30-Mpps switching performance. Fault tolerance is implemented through logical and physical redundancy plus Cisco IOS Software functions. In addition, the 7600 router provides a broad array of high-touch IP network services at optical speed via a variety of Optical Services Modules enabled by Cisco proprietary Parallel Express Forwarding technology.

The 7609 offers the choice to use a 256-Gbps SFM or a 32-Gbps data bus, which provide switching performance of 30 Mpps or 15 million packets per second each. When the Switch Fabric Module is used, the 7609 Series can also allow distributed switching with throughput up to 168 Mpps by using the Catalyst 6500 16-port Gbit Ethernet LAN module, which is powered by the DFC and the SFM.

The Cisco 7603 Series router provides only the 32-Gbps bus option and delivers 15 million packets per second centralized switching performance. The Cisco 7603 Series router does not offer Cisco's distributed switching capability.

Cisco ASR 1000 Series Aggregation Services Routers
Cisco’s ASR 1000 Series Aggregation Services family of routers is designed to fill the middle of Cisco’s midrange products that focus on aggregating services at the wide area network edge. ASR 1000 Series WAN Edge routers offer a small form factor, multi-function solution for large businesses requiring satellite office aggregation at multigigabit Ethernet speeds. ASR 1000 Aggregation Services routers introduce a revolutionary design that mixes on-board acceleration with programmable versatility in order to offer a multitude of concurrent services while preserving consistent performance.

ASR 1000 routers include Cisco’s new QuantumFlow Processor made up of 40 custom Packet Processing Engines (PPEs) that together can handle as many as 160 simultaneous threads. This massive parallelism, combined with on-board acceleration for all services, enables the top-of-the-line ASR 1006 Aggregation Services router to expand up to 128 queues, 32K clients, 4,000 IP security VPN tunnels at 10K sessions per second, and 2 million Netflow log records. This processing capability allows Cisco’s ASR 1000 Aggregation Services routers to support a wide variety of sophisticated services simultaneously in high volume while avoiding performance decay that might violate compliance with SLAs. These services include Cisco IOS Firewall, intrusion-detection services, Network Address Translation, Flexible Packet Matching, and in-line deep packet inspection. The ASR 1000 also allows sophisticated traffic management for applying multiple levels of Quality of Service to a packet in a single operation, improving the user experience for resource-intensive IP voice and video applications.

Cisco ASR 9000 Series Routers
Cisco's ASR 9000 Series Aggregation Services Routers are intended as edge routers for service providers who need to support world-class HD multimedia services to residential, business, and mobile customers by offering always-on operation, high performance, and application awareness. All models in Cisco's ASR 9000 portfolio of Aggregation Services Routers run Cisco's IOS XR, a distributed OS designed for continuous uptime. Throughput of Cisco's ASR 9000 line of Routers can scale up to 96 Tbps per system. Cisco's ASR 9000 family of Routers can handle high-density Gigabit Ethernet, 10 Gigabit Ethernet, and 100 GE and feature fully redundant fabric and power supply, power entry modules, and fan trays plus backup control planes and switch fabric.

The ASR 9001 model is a provider-edge router in a 6 RU form factor with 120 Gbps of nonblocking fabric capacity. The Cisco ASR 9001 has two modular bays to accept port adapters for 1 Gigabit, 10 Gigabit, and 40 Gigabit Ethernet. The chassis has four 10 GE SFP+ ports and ports for GPS Stratum 1 clocking, BITS, and management. The Cisco ASR 9904 Router comes in a 6 RU form factor and provides line-rate 10 GE and 100 GE connectivity in space-limited sites. The 4-slot ASR 9094 can scale up to 4 Tbps of switching capacity in one chassis. The Cisco ASR 9912 platform has a 30 RU chassis and includes 10 line-card slots that can provide 550 Gbps of throughput. The ASR 9912 Router has 2 route CPUs and 6+1 Fabric Cards to provide N+1 redundancy.

The CRS Carrier Routing System
Cisco's Carrier Routing System (CRS) product line, powered by Cisco's IOS XR self-healing, distributed software, offers carriers high-level performance and availability. The Carrier Routing System product line was introduced in 2004, has been continuously enhanced, and now features the industry's most popular multishelf core router system. To protect existing investments in infrastructure, new CRS platforms are compatible with earlier products.

Available product families in the Carrier Routing System family are the CRS-1, CRS-3, and CRS-X Series. Each CRS series includes single-shelf 4-slot, 8-slot, and 16-slot units as well as multiple-chassis versions. Cisco's CRS-1 product line is built on Cisco's Silicon Packet Processor and delivers as much as 92 Tbps of performance. Routers in Cisco's CRS-3 Series use Cisco's QuantumFlow Array technology and can provide up to 322 Tbps. Cisco's CRS-X Routers incorporate CMOS photonics CPAK technology and scale to sustain up to 922 Tbps performance.

Cisco's Carrier Routing System Multichassis models can expand from 2 to 72 line-card shelves that have the ability to provide 400-Gigabit per second of continuous performance for each slot. Carrier Routing System Multichassis models can accommodate up to 8 fabric shelves. Modular services cards (MSCs) and physical layer interface modules are compatible across the complete Carrier Routing System portfolio.

Legacy Cisco Routers Supported by Progent's Network Professionals
Progent's CCIE consultants are experienced with older Cisco routers that are no longer offered by Cisco. Progent can show you how to manage these older routers and can in addition assist you to prepare for and implement upgrades to newer versions. Legacy Cisco routers supported by Progent include:

• Cisco 500 SR Series Routers
  Cisco’s 520 router, built to handle as many as 50 users, features a 4-port 10/100 switch and one Cisco IOS Software image. By supporting a limited yet effective set of IOS control software services, the Cisco 520 model Secure Router simplifies configuration, management, and troubleshooting, but nevertheless provides powerful protection and performance options to adapt to the particular requirements of your business.

• Cisco 850 and 870 Model Unified Communications Routers
  Cisco's discontinued 850 Series routers are targeted at small networks, ideal for as many as 10 users or for teleworker sites where secure and economical access is needed. Cisco 850 Series routers offer protected connectivity with firewall and IPsec Virtual Private Network services, a four-connection 10/100 Ethernet switch, a protected WiFi option with a fixed antenna, and easy setup and integration and remote management features via Web-based tools and Cisco IOS Software.

  Cisco's discontinued 870 Series routers are targeted for small offices with as many as 20 users or for telecommuter environments where high-quality voice/video over IP and dependable connectivity using backup Internet connections are required. Cisco 870 Series routers offer high performance in small offices plus enhanced security via features such as Firewall, IP Security (IPsec) VPN, Triple Data Encryption Standard or AES plus Dynamic Multipoint VPN and Tunnel-less Group Encrypted Transport (GETVPN), an intrusion prevention system, virus protection through Network Admission Control, and policing of safe connection policies.

• Cisco 1700 Routers
  Cisco 1700 Series routers are built to deliver an affordable, standalone router solution for small and midsize organizations. 1700 Series routers provide versatility and ease of administration to meet demanding e-business requirements including multiservice data/voice/video/fax integration, fast wire-rate Internet connection, and powerful protection options. 1700 Series routers have been superseded by Cisco's 1800 Series of integrated services routers and the Cisco 1900 Integrated Services G2 routers.

• 2600 Series
  The Cisco 2600 Series of routers is a family of modular multiservice access routers for branch networks, offering flexible LAN and WAN configurations, comprehensive security features, and a range of fast processors. Cisco 2600 routers have been superseded by Cisco's 2800 Series of ISR routers and the Cisco 2900 Series Integrated Services G2 routers.

• 3700 Series Routers
  The Cisco 3700 Series is a line of modular, multiservice access solutions for mid-size and large office networks. With over 70 modular interface add-in products, the 3700 product line offers a robust platform for data, voice video, Virtual Private Networks, and multiprotocol routing. 3700 Series routers have been replaced by Cisco's 3800 Series of ISR routers and the 3900 Series ISR Generation 2 routers.

• Cisco 7200 VXR Integrated Services Routers
  The Cisco 7200 VXR Series Integrated Services router offers speed, modularity, and expandability in a small footprint with a wide selection of deployment options. With processing throughput as high as 2 mega-packets per second, port and service adapters ranging from NxDS0 to 1 GigE, and OC-3 along with a variety of high-touch IP services, the 7200 VXR Series Integrated Services router is a solid broadband aggregation WAN and MAN edge solution for enterprises and ISPs. The Cisco 7200 VXR router provides services aggregation by supporting up to 16,000 PPP sessions per chassis, mixed-media support via time-division multiplexer-enabled VXR frame and voice port adapters, IP-to-IP gateway support, and IP Security VPN scalable to 5,000 tunnels per device.

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