MARVELL 98DX4122B0-BIH2C000 Gigabit Ethernet Switch Controller: Datasheet and Technical Overview

The MARVELL 98DX4122B0-BIH2C000 is a highly integrated, high-performance Gigabit Ethernet switch controller designed to meet the demanding requirements of modern enterprise, data center, and carrier-grade networking equipment. This system-on-chip (SoC) solution combines advanced switching capabilities, robust security features, and sophisticated management functions, making it a cornerstone for building scalable and efficient network infrastructure.

Architecture and Core Features

Built on a proven architecture, the 98DX4122 integrates multiple high-speed interfaces and a powerful switching fabric. It supports up to 52 Gigabit Ethernet ports, offering exceptional flexibility for port configuration and trunking. The device features a non-blocking switch fabric architecture, ensuring wire-speed performance across all ports simultaneously, which is critical for preventing bottlenecks in high-traffic environments.

A key strength of this controller is its deep packet processing capabilities. It supports advanced Layer 2 and Layer 3 switching features, including IPv4 and IPv6 routing, Access Control Lists (ACLs), and quality of service (QoS) mechanisms. These features enable intelligent traffic prioritization, ensuring low latency for time-sensitive applications like voice and video.

Advanced Management and Security

The 98DX4122B0-BIH2C000 is designed for manageability and resilience. It includes comprehensive support for Software-Defined Networking (SDN) protocols, facilitating network automation and centralized control. For enhanced security, the controller incorporates hardware-accelerated ACLs, MACsec (IEEE 802.1AE) for link-layer encryption, and robust denial-of-service (DoS) protection mechanisms, safeguarding the network against evolving threats.

Power Efficiency and Integration

Marvell has placed a significant emphasis on power efficiency with this controller. It leverages advanced silicon process technology and power management techniques to minimize power consumption without compromising performance. This makes it suitable for environmentally conscious deployments and applications where thermal management is a concern. The high level of integration reduces the need for external components, simplifying board design and lowering the total bill of materials (BOM) cost for OEMs.

Target Applications

The versatility of the 98DX4122 allows it to be deployed in a wide array of applications, including:

Top-of-Rack (ToR) and Leaf Switches in data centers.

Enterprise Core and Aggregation Layer Switches.

Carrier Ethernet Access Equipment and network appliances.

Network Security Appliances requiring high-throughput filtering.

ICGOODFIND Summary

The Marvell 98DX4122B0-BIH2C000 stands out as a highly integrated and feature-rich Gigabit Ethernet switch controller. Its blend of wire-speed performance, advanced L2/L3 features, robust security, and power efficiency makes it a compelling choice for designers building the next generation of networking hardware. It effectively addresses the core needs of scalability, security, and manageability in complex network environments.

Keywords: Gigabit Ethernet Switch, Layer 3 Switching, Network Security, Software-Defined Networking (SDN), Power Efficiency.