C2851V-ATM-4T1E1-E Cisco 2800 2851 Series AIM ATM bundle

The Cisco C2851V-ATM-4T1E1-E Router

The Cisco C2851V-ATM-4T1E1-E 2800 2851 Series AIM ATM bundle is a high-performance networking solution designed for enterprises, service providers, and organizations that require reliable ATM (Asynchronous Transfer Mode) connectivity integrated with advanced routing capabilities. This bundle combines the power of the Cisco 2851 router platform with a specialized ATM Interface Module (AIM) to deliver exceptional performance, flexibility, and scalability for modern networking environments. Its design focuses on combining voice, video, and data traffic while ensuring high throughput and minimal latency.

Features of Cisco 2851 Series Router

The Cisco 2851 series router is a versatile and modular platform that supports multiple WAN technologies including ATM, T1/E1, DSL, and Gigabit Ethernet. It is designed to serve as a backbone for branch offices or central networks, providing secure and efficient connectivity. One of the standout features of this router series is its ability to integrate advanced services such as firewall, VPN, voice, and multimedia traffic routing without compromising network performance. With its AIM slot, the router allows organizations to extend its capabilities further with specialized modules like the ATM module included in this bundle.

ATM Interface Module (AIM)

The Cisco AIM-ATM module is designed to work seamlessly with the 2851 series router. It allows for the deployment of ATM networks that require T1 or E1 connectivity. This module is particularly beneficial for legacy networks or environments where ATM is still an integral part of data transport. By leveraging the AIM, organizations can reduce complexity and streamline deployment without needing additional hardware. The module supports multiple T1/E1 ports, making it ideal for medium to large-scale network environments that require robust WAN connectivity with high reliability.

Performance and Reliability

The combination of the 2851 router and ATM AIM module ensures high-performance routing with minimal packet loss. The router is equipped with an advanced CPU and memory architecture capable of handling large volumes of traffic, including mixed traffic types such as VoIP, video streaming, and traditional data. Cisco’s embedded IOS software provides advanced features like Quality of Service (QoS), traffic shaping, and redundancy protocols to maintain uptime and service quality. The AIM module’s dedicated ATM processing capabilities help offload work from the router’s main CPU, further enhancing performance.

Advanced Routing Capabilities

The Cisco 2851 router series supports multiple routing protocols, including OSPF, EIGRP, BGP, and RIP. This ensures that networks remain flexible, scalable, and adaptable to changing business needs. The router’s ability to perform dynamic routing allows for efficient utilization of available bandwidth while ensuring network stability and resilience. Coupled with the AIM-ATM module, these routing capabilities are extended to ATM networks, providing seamless interoperability between ATM and other WAN technologies.

Voice and Data Integration

One of the advantages of the Cisco 2851 platform is its ability to integrate voice and data services on a single platform. With support for voice protocols like SIP, H.323, and MGCP, organizations can deploy unified communications without the need for separate voice gateways. The ATM AIM module further supports legacy T1/E1 circuits for voice traffic, ensuring backward compatibility with existing telecommunication infrastructure. This integration reduces operational costs and simplifies network management by consolidating multiple services on a single device.

Security Features

Security is a crucial aspect of enterprise networking, and the Cisco 2851 series addresses this with a wide range of built-in security features. The router includes support for IPsec VPN, SSL VPN, firewall capabilities, intrusion prevention, and authentication protocols such as RADIUS and TACACS+. When paired with the AIM-ATM module, these security features extend to ATM-based WAN links, protecting sensitive data in transit. Advanced access control and traffic filtering ensure that only authorized devices and users can access the network, maintaining the integrity and confidentiality of business communications.

Scalability and Modularity

The Cisco 2851 router’s modular architecture is one of its strongest selling points. Organizations can start with a base router and expand its capabilities over time with additional interface modules, memory, and service cards. The AIM-ATM module is just one example of how modularity allows businesses to customize their network setup according to evolving needs. The router supports multiple interface cards, enabling simultaneous deployment of Ethernet, T1/E1, DSL, and serial connections. This flexibility makes it suitable for dynamic network environments where growth and change are expected.

Deployment Scenarios

The Cisco C2851V-ATM-4T1E1-E bundle is highly adaptable and can be deployed in various network scenarios. For branch offices, it serves as a primary router that handles multiple WAN links and provides secure access to the corporate network. In service provider environments, the bundle enables ATM-based customer connections with high reliability and performance. For hybrid networks that combine legacy ATM circuits with modern IP-based infrastructure, the router and AIM module offer seamless interoperability. This versatility ensures that businesses can maximize their investment in Cisco networking hardware while supporting diverse connectivity requirements.

WAN Optimization and QoS

WAN optimization and Quality of Service are critical in networks handling voice, video, and data traffic. The Cisco 2851 router includes advanced QoS features such as traffic classification, queuing, and prioritization, ensuring that critical applications receive the bandwidth they require. The AIM-ATM module enhances WAN performance by providing dedicated ATM processing, reducing latency and jitter for voice and video applications. Combined with Cisco’s adaptive traffic management, these features ensure that networks remain responsive and reliable even under high traffic conditions.

Energy Efficiency

Modern network deployments are increasingly evaluated for energy efficiency and operational cost. The Cisco 2851 router is designed with energy-saving features, including low-power components and optimized cooling mechanisms. The AIM-ATM module consumes minimal additional power while providing dedicated ATM capabilities, ensuring that overall energy usage remains efficient. For enterprises looking to reduce operational costs and environmental impact, the energy-efficient design of this bundle is a significant advantage.

Use Cases for Cisco C2851V-ATM-4T1E1-E Bundle

This bundle is ideal for multiple network use cases across different industries. Financial institutions can use it to maintain secure and high-speed ATM networks for transaction processing. Telecommunications providers can deploy it to support legacy T1/E1 ATM circuits while integrating IP-based services for customers. Educational institutions can use the bundle to connect campuses with a mix of ATM and Ethernet technologies. Government agencies can benefit from the router’s robust security and WAN optimization features to maintain critical communications. The combination of flexibility, performance, and modularity makes it suitable for any organization requiring reliable and scalable WAN solutions.

Enterprise Branch Connectivity

For enterprise branch connectivity, the Cisco 2851 router serves as the primary gateway for connecting multiple branch offices to the corporate network. The AIM-ATM module allows branches to maintain existing ATM circuits while migrating to modern IP-based applications. Advanced QoS ensures voice and video traffic remains uninterrupted, while integrated security features protect sensitive business data. The router’s modular design allows branches to scale connectivity as needed without replacing existing hardware.

Service Provider Deployment

Service providers can leverage the Cisco 2851 AIM-ATM bundle to deliver high-performance connectivity to customers with ATM requirements. The AIM module’s support for T1/E1 ports enables service providers to maintain legacy ATM services while introducing new IP-based offerings. The router’s advanced routing and QoS features ensure efficient utilization of network resources and optimal service delivery. With comprehensive monitoring tools, service providers can quickly identify and resolve network issues, improving customer satisfaction and reducing downtime.