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The Arista DCS-7280SR2-48YC6-R is engineered to meet the rigorous demands of next-generation data centers and enterprise networks requiring uncompromising performance, scalability, and flexibility. As a pivotal member of Arista’s 7280R Series, this switch combines high-density 25G/100G Ethernet connectivity with advanced hardware acceleration, comprehensive telemetry, and extensible software capabilities—making it an ideal choice for cloud providers, hyperscale operators, financial services, and telecommunications.
Built on a proven silicon foundation and powered by Arista’s Extensible Operating System (EOS), the DCS-7280SR2-48YC6-R employs a deep pipeline architecture designed for deterministic and consistent performance. This design delivers sub-microsecond forwarding latency, approximately 3.8 microseconds, and industry-leading low jitter, critical for latency-sensitive workloads such as financial trading and real-time analytics.
With a non-blocking switching capacity of 3.6 Tbps, the switch supports all ports at full line rate without oversubscription, ensuring predictable and stable packet forwarding across complex network fabrics.
The switch’s 48 SFP28 ports at 25GbE provide dense access-layer connectivity, complemented by 6 QSFP28 uplink ports supporting 40/100GbE, enabling scalable aggregation and spine-layer connections. The DCS-7280SR2-48YC6-R supports a broad optics portfolio, including:
This adherence to IEEE 802.3 and SFF-8431 standards ensures broad interoperability in multi-vendor environments, making the switch adaptable to diverse data center topologies.
Designed for modern fabric architectures, the DCS-7280SR2-48YC6-R fully supports VXLAN EVPN, facilitating scalable Layer 2 and Layer 3 overlay networks. This capability enables seamless multi-tenant segmentation and workload mobility essential for cloud service providers.
Its robust Equal-Cost Multipath (ECMP) routing optimizes load balancing and fault tolerance across leaf-spine fabrics, simplifying network expansion and providing high availability for demanding environments.
Arista EOS equips the DCS-7280SR2-48YC6-R with a rich telemetry stack supporting streaming telemetry, gRPC, and standard SNMP, delivering real-time network insights critical for proactive operations. Key tools include:
EOS APIs enable full programmability via Python, eAPI, and automation frameworks like Ansible, Puppet, and Terraform, streamlining configuration, orchestration, and troubleshooting.
The DCS-7280SR2-48YC6-R supports running containerized applications directly on EOS, allowing integration of custom microservices and third-party tools. This Linux-based extensibility enhances compatibility with modern DevOps workflows and accelerates innovation cycles—future-proofing your network infrastructure.
The “-R” suffix denotes rear-to-front airflow, aligning with hot-aisle/cold-aisle data center cooling strategies to optimize thermal management. Its compact 1RU form factor incorporates energy-efficient fans and power supplies designed to reduce overall power consumption.
The DCS-7280SR2-48YC6-R complies with NEBS Level 3 and ETSI standards for environmental robustness, while meeting RoHS directives to minimize hazardous materials—supporting sustainability and operational reliability in carrier-grade and enterprise deployments.
Security built into the DCS-7280SR2-48YC6-R is foundational, encompassing multiple layers that ensure robust protection, including:
These layered protections enable safe handling of sensitive workloads and multi-tenant environments.
The DCS-7280SR2-48YC6-R delivers exceptional performance and flexibility, making it highly effective across a variety of demanding environments:
The DCS-7280SR2-48YC6-R serves as a high-density 25G leaf switch, efficiently handling massive east-west traffic flows common in hyperscale data centers. Its deep buffers and high throughput enable seamless scaling of compute resources and storage, supporting the intense workload demands of cloud-native applications and big data analytics.
With comprehensive VXLAN EVPN support, the DCS-7280SR2-48YC6-R enables scalable and secure multi-tenant network segmentation, essential for cloud providers hosting diverse clients on shared infrastructure. Its fabric-ready design facilitates workload mobility and rapid provisioning, empowering cloud operators to deliver elastic, agile services with minimal operational complexity.
Ultra-low latency switching with consistent low jitter makes the DCS-7280SR2-48YC6-R ideal for high-frequency trading environments, where microseconds can translate into significant financial gains or losses. Its deterministic forwarding and rapid packet processing ensure transaction data is delivered with minimal delay, supporting time-sensitive decision-making and regulatory compliance.
Built to meet stringent carrier-grade reliability standards, including NEBS Level 3 compliance, the DCS-7280SR2-48YC6-R excels at edge aggregation roles in telecom networks. Its robust hardware and software features support network function virtualization (NFV) deployments, enabling service providers to deliver scalable, resilient, and secure services close to end users, improving latency and bandwidth efficiency.
Arista guarantees long-term EOS software support with continuous feature and security updates. The switch’s modular hardware enables field-replaceable fans and power supplies, minimizing downtime and maintenance overhead. Its architecture anticipates evolving standards, supporting 400G uplinks via breakout cables, ensuring investment protection as data center speeds advance.
Against comparable models like Cisco Nexus 93180YC-FX and Juniper QFX5110-48S, the DCS-7280SR2-48YC6-R delivers:
These advantages position it as a top choice for organizations prioritizing speed, operational efficiency, and future scalability.
The Arista DCS-7280SR2-48YC6-R combines industry-leading performance, programmability, and operational insight in a compact, energy-efficient platform. Its advanced architecture and extensive feature set empower network teams to build scalable, low-latency fabrics optimized for the complexities of modern data centers.
For enterprises and service providers aiming to future-proof their infrastructure, this switch represents a high-value, strategic investment that meets today’s needs and tomorrow’s challenges.
Also available: DCS-7280SR2-48YC6-F with front-to-rear airflow.
Related Arista 7280 Series model: DCS-7280CR-48-R.
The Arista DCS-7280SR2-48YC6-R offers 48 ports that support 1/10/25GbE via SFP28 and 6 ports for 40/100GbE using QSFP28, allowing for high-density connectivity in demanding data center environments.
Yes, the Arista DCS-7280SR2-48YC6-R supports a comprehensive suite of Layer 2 and Layer 3 protocols, including VLAN, Spanning Tree, MLAG, OSPF, BGP, IS-IS, VRF, and full multicast capabilities like PIM-SM and IGMP.
The Arista DCS-7280SR2-48YC6-R is fully capable of supporting network virtualization technologies such as VXLAN with an EVPN control plane, making it suitable for scalable and flexible data center fabric deployments.
The Arista DCS-7280SR2-48YC6-R delivers a system switching capacity of 3.6 Tbps with a forwarding rate of 1.67 billion packets per second, ensuring high-performance packet handling for large-scale network environments.
Yes, the Arista DCS-7280SR2-48YC6-R is engineered for high reliability with features such as redundant, hot-swappable power supplies and fans, NEBS Level 3 compliance, secure boot, and role-based access control, ensuring continuous and secure network operation.
The DCS-7280SR2-48YC6-R features rear-to-front airflow, ensuring efficient cooling in data center rack configurations that require this airflow direction.
The DCS-7280SR2-48YC6-R comes with 2 AC power supplies, offering redundancy to enhance system reliability and minimize downtime.
AlgoMatch technology in the DCS-7280SR2-48YC6-R enhances packet matching efficiency by leveraging advanced algorithms and optimized memory utilization for superior performance in large-scale deployments.
The DCS-7280SR2-48YC6-R supports a MAC address table size of up to 768,000 entries, accommodating large-scale Layer 2 networks.
The DCS-7280SR2-48YC6-R offers ultra-low latency switching with a typical forwarding delay of approximately 3.8 microseconds, ideal for latency-sensitive applications.
The DCS-7280SR2-48YC6-R includes 4x FAN-7000H-R hot-swappable fan modules to maintain optimal thermal performance during operation.
The DCS-7280SR2-48YC6-R includes support for Power over Ethernet (PoE), allowing it to power compatible network devices directly through the Ethernet connection.
Yes, the DCS-7280SR2-48YC6-R can be remotely managed using Arista’s EOS platform, along with various network management tools and automation frameworks.
The main difference between the DCS-7280SR2-48YC6-R and the DCS-7280SR2A-48YC6-F is the airflow direction; the “-R” model uses rear-to-front airflow, while the “-F” model uses front-to-rear airflow.
The DCS-7280SR2-48YC6-R is ideal for bandwidth-intensive and latency-sensitive applications such as real-time analytics, high-frequency financial trading, and large-scale cloud and virtualization environments.
