MARVELL 98DX3035B0-BIH2C002 Gigabit Ethernet Switch Controller Datasheet and Technical Overview
The MARVELL 98DX3035B0-BIH2C002 is a highly integrated, high-performance Gigabit Ethernet switch controller designed to meet the demanding requirements of modern enterprise, industrial, and carrier-grade networking equipment. This system-on-chip (SoC) solution combines advanced Layer 2 and Layer 3 switching capabilities with robust security features and low power consumption, making it a cornerstone for next-generation network infrastructure.
Architecture and Core Features
At its heart, the 98DX3035B0-BIH2C002 features a high-performance switching fabric capable of delivering non-blocking, wire-speed throughput across all ports. It supports a flexible configuration of up to 24 Gigabit Ethernet ports, often combining integrated PHYs and SGMII interfaces for copper and fiber connectivity. A key architectural strength is its deep packet buffer memory, which is essential for managing traffic bursts and preventing packet loss in congested scenarios, ensuring consistent Quality of Service (QoS).
Advanced Switching and Routing Capabilities
This controller is engineered for intelligent traffic handling. It supports a comprehensive suite of Layer 2 and basic Layer 3 routing protocols, including static routing and RIP. For precise network management, it offers advanced QoS policies with priority queuing and traffic shaping based on IEEE 802.1p, DSCP, and ACLs. This allows network administrators to guarantee bandwidth for critical applications like voice and video, ensuring optimal user experience.
Enhanced Security and Management
Security is a fundamental design principle for this chip. It incorporates hardware-based access control lists (ACLs) for line-rate security enforcement, protecting against unauthorized access and threats. Features like IEEE 802.1X port-based authentication provide robust network access control. For manageability, it supports a variety of interfaces including USB, PCIe, and multiple UARTs, and can be controlled via a comprehensive command-line interface (CLI) or through Simple Network Management Protocol (SNMP).
Target Applications and Use Cases
The versatility of the 98DX3035B0-BIH2C002 makes it suitable for a wide array of applications. It is ideally deployed in:
Enterprise Access and Aggregation Switches
Carrier Ethernet CPE and Edge Devices
Industrial Ethernet Switches requiring extended temperature support and high reliability
SMB Routers and Secure Gateways
The MARVELL 98DX3035B0-BIH2C002 stands out as a powerful and flexible foundation for building resilient, high-speed networks. Its integration of high port density, advanced traffic management, and robust security features into a single chip provides manufacturers with a cost-effective and reliable solution for developing competitive networking products. It successfully balances raw performance with the sophisticated control needed in today's complex network environments.
Keywords: Gigabit Ethernet Switch, Layer 3 Routing, Quality of Service (QoS), Access Control List (ACL), System-on-Chip (SoC)
