DCS-7280SRA-48C6-R Arista SFP+ 6x Ports QSFP 100GbE 48 Ports Layer 3 Rack Mountable Switch

Arista DCS-7280SRA-48C6-R Ethernet Switch

The Arista DCS-7280SRA-48C6-R switch is engineered for modern hyperscale, enterprise, and cloud networking infrastructures that require consistent low latency, advanced Layer 3 routing intelligence, and high-density 10GbE connectivity. Designed within the Arista 7280SRA Series, this Ethernet switch combines scalable performance with programmable network functionality, making it suitable for spine, leaf, aggregation, and top-of-rack deployments in demanding data center environments. The Arista DCS-7280SRA-48C6-R incorporates a resilient Layer 3 switching framework that delivers wire-speed forwarding, extensive routing scalability, and intelligent traffic engineering capabilities. The combination of low-latency switching silicon and Arista EOS software creates a highly programmable environment suitable for automation-driven infrastructures.

High-Density 10GbE Interface Deployment

The 48 dedicated SFP+ interfaces allow organizations to connect high-performance servers, storage arrays, hypervisors, and aggregation layers using fiber-based 10GbE infrastructure. Each port supports flexible transceiver compatibility, enabling deployment with short-range, long-range, and direct-attach copper solutions. These interfaces support enterprise-class bandwidth requirements for virtualization clusters, distributed applications, and storage traffic. The density of the platform helps reduce rack consumption while simplifying cable management and minimizing infrastructure complexity.

Integrated QSFP Uplink Scalability

The 6 QSFP interfaces provide advanced uplink scalability supporting 40GbE and 100GbE connectivity. These uplinks enable high-capacity aggregation and interconnect functionality for spine-leaf architectures and high-bandwidth core deployments. Organizations deploying large-scale virtualization or cloud workloads benefit from the ability to consolidate traffic efficiently through high-speed uplinks while maintaining predictable forwarding performance across the network fabric.

Flexible Spine-Leaf Networking Integration

The switch is optimized for leaf-layer operations in spine-leaf data center architectures. The QSFP interfaces facilitate high-speed connections to spine switches, supporting equal-cost multipath routing and scalable east-west traffic distribution. Its architecture enables simplified scaling by allowing additional leaf or spine nodes to be integrated without major topology redesigns. This operational flexibility is essential for rapidly growing cloud environments and multi-tenant infrastructures.

Layer 3 Routing Capabilities and Intelligent Switching

The Arista DCS-7280SRA-48C6-R switch includes comprehensive Layer 3 routing capabilities designed for enterprise and cloud-scale routing environments. The platform supports advanced routing protocols and scalable forwarding tables that accommodate dynamic network expansion. Support for intelligent routing functions enables efficient traffic distribution, improved redundancy, and enhanced failover performance. The switch can participate in large-scale routing domains while maintaining low latency and deterministic forwarding characteristics.

Advanced IPv4 and IPv6 Routing 

The platform supports dual-stack networking environments with comprehensive IPv4 and IPv6 routing functionality. Enterprises migrating toward IPv6 infrastructures can deploy the switch without sacrificing compatibility with legacy IPv4 networks. Support for scalable routing tables enables large route populations across enterprise cores, data center fabrics, and cloud interconnect environments. This flexibility allows network architects to build future-ready infrastructures capable of supporting next-generation applications and services.

Dynamic Routing Protocol Integration

The switch supports industry-standard dynamic routing protocols that improve traffic optimization and path resiliency. These capabilities are critical in large-scale distributed infrastructures where dynamic path calculation and rapid convergence are required. Routing intelligence enhances redundancy while simplifying network administration through automated path selection and topology awareness. This contributes to greater uptime and improved operational continuity.

Cloud Networking Compatibility

The EOS environment is optimized for cloud-scale networking architectures where agility, scalability, and operational consistency are critical. The switch supports virtualized environments, overlay networking technologies, and automated workload provisioning. Its flexible operating environment allows organizations to adapt quickly to changing application requirements and traffic patterns without major infrastructure redesigns.

Performance Characteristics of the Arista 7280SRA

The DCS-7280SRA-48C6-R switch is engineered for high-performance packet processing and ultra-low-latency forwarding. Its switching architecture is optimized for demanding workloads including financial applications, virtualization traffic, AI clusters, and distributed storage systems. The platform delivers wire-speed forwarding performance across all interfaces, ensuring predictable application behavior under heavy network loads. High switching capacity enables consistent traffic flow even during peak utilization periods.

Low-Latency

Low latency is critical in modern application environments where transaction speed and workload responsiveness directly impact user experience and operational efficiency. The switch minimizes forwarding delays through optimized hardware architecture and efficient packet handling. This low-latency performance benefits high-frequency transaction systems, clustered databases, storage traffic, and virtualized application environments.

High Throughput Data Center Switching

The switching fabric supports simultaneous high-bandwidth traffic flows across multiple ports without congestion. This capability enables large-scale virtualization, distributed computing, and cloud service delivery with consistent performance. The platform handles bursty traffic patterns efficiently while maintaining stable throughput characteristics. This is essential for modern workloads involving containerized applications, virtual machines, and distributed analytics systems.

Enterprise Data Center Deployment Scenarios

The Arista DCS-7280SRA-48C6-R is suitable for multiple deployment roles within enterprise and cloud networking environments. Its flexible port configuration and scalable routing capabilities make it adaptable for various infrastructure models.

Top-of-Rack Switching Environments

In top-of-rack deployments, the switch provides high-density 10GbE connectivity for servers and storage systems while leveraging QSFP uplinks for aggregation into spine or core layers. This deployment model improves cable efficiency, reduces latency between local compute resources, and simplifies infrastructure scaling. Organizations can deploy the platform within virtualization clusters, cloud pods, and high-performance computing environments.

Aggregation Layer Network Design

The switch also functions effectively as an aggregation-layer device supporting large access-layer environments and distributed server infrastructures. Its high-capacity uplinks facilitate efficient traffic consolidation from multiple edge devices. Advanced routing capabilities enable the switch to perform traffic segmentation, policy enforcement, and dynamic routing operations within aggregation layers.

Cloud Infrastructure Expansion

Cloud service providers and enterprise private cloud operators benefit from the scalability characteristics of the 7280SRA Series. The switch enables seamless infrastructure expansion while maintaining predictable performance and operational consistency. Support for automation and programmable management frameworks simplifies scaling activities and accelerates provisioning workflows.

Virtualization and Multi-Tenant Network

The Arista DCS-7280SRA-48C6-R switch is optimized for heavily virtualized environments where high-density server connectivity and traffic segmentation are essential. Modern virtualization infrastructures require scalable east-west traffic handling and flexible overlay networking capabilities. The platform supports efficient workload mobility, enabling virtual machines and containerized applications to move dynamically across physical hosts without compromising connectivity or performance.

Virtual Machine Traffic Optimization

Virtualized environments generate significant east-west traffic between servers and storage resources. The switch architecture is optimized to manage these communication patterns efficiently while maintaining low latency. Its high-performance forwarding engine supports dense virtualization clusters with predictable throughput and minimal bottleneck risk.

Network Segmentation and Tenant Isolation

Multi-tenant cloud infrastructures require secure traffic isolation and flexible segmentation policies. The switch enables traffic separation through VLANs, routing domains, and overlay networking technologies. These capabilities allow service providers and enterprises to support multiple applications, customers, or departments within shared infrastructure environments while maintaining security boundaries.

Overlay Network Integration

The platform supports integration with overlay networking technologies commonly used in software-defined data centers. Overlay support enables scalable logical networking independent of underlying physical topology. This flexibility simplifies workload mobility and accelerates cloud infrastructure deployment while reducing operational complexity.

Reliability and High Availability Features

Mission-critical infrastructures require resilient networking platforms capable of maintaining uptime under demanding operational conditions. The DCS-7280SRA-48C6-R incorporates multiple hardware and software redundancy features designed to improve network availability.

Redundant Power Architecture

The switch supports redundant power supply configurations that help prevent downtime caused by power-related failures. Redundant power operation improves infrastructure resiliency within enterprise and data center deployments. Hot-swappable power components facilitate maintenance and replacement operations without requiring full system shutdowns.

Security and Traffic Control Capabilities

The Arista DCS-7280SRA-48C6-R integrates multiple security-oriented networking functions designed to protect enterprise and cloud environments. These features help administrators enforce policies, monitor traffic behavior, and secure network communication paths.

Access Control Policy Enforcement

Granular access control capabilities enable administrators to define traffic handling rules and segmentation policies across network domains. These policies improve security posture while supporting regulatory and operational requirements. Traffic filtering and policy-based forwarding contribute to more secure application communication within shared infrastructure environments.

Network Visibility

Comprehensive telemetry and monitoring capabilities improve operational visibility across data center infrastructures. Real-time traffic analytics help administrators identify performance bottlenecks, congestion patterns, and anomalous behavior. Enhanced visibility supports proactive performance optimization within large-scale network deployments.

Integrated Traffic Analytics

The platform supports advanced telemetry frameworks that provide detailed traffic insights for operational analysis and capacity planning. These capabilities improve network optimization efficiency. Operational intelligence contributes to better resource allocation and more informed infrastructure planning decisions.

Application-Aware Traffic Prioritization

Traffic prioritization mechanisms help ensure that latency-sensitive storage and application traffic receive appropriate handling during congestion events. Quality-of-service capabilities improve application responsiveness and service consistency. This functionality is valuable for enterprise applications, real-time analytics, and business-critical workloads operating within shared network fabrics.

Rack Integration and Physical Infrastructure Efficiency

The Arista DCS-7280SRA-48C6-R is engineered for efficient rack deployment within high-density data center environments. Its compact chassis design supports optimal space utilization while maintaining serviceability and airflow efficiency.

Data Center Rack Optimization

High port density enables organizations to maximize connectivity within limited rack space. This reduces infrastructure footprint requirements while simplifying cable organization and deployment planning. The switch design supports modern rack-scale architectures commonly used in enterprise and cloud environments.

Front-to-Rear Airflow Design

Efficient airflow management contributes to thermal stability and operational reliability. Front-to-rear airflow compatibility aligns with standard hot aisle and cold aisle containment strategies used in enterprise data centers. Optimized thermal design helps reduce cooling inefficiencies while supporting consistent operation under high traffic loads.