• Gray metal arista dcs-7280sr2-48yc6-f network switch with 48 black 25g ports and blue indicator lights on front panel
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Arista

Arista DCS-7280SR2-48YC6-F | 7280R2 48-Port 25G Switch, 6x 100G QSFP28

DCS-7280SR2-48YC6-F

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Description

The Arista DCS-7280SR2-48YC6-F is a high-performance data center switch engineered for leaf-spine architectures, storage networks, and content delivery environments. Featuring 48 25GbE SFP28 ports and 6 100GbE QSFP28 uplinks, it delivers 3.6 Tbps throughput with ultra-low 3.8 microsecond latency. Front-to-rear airflow design suits modern hot-aisle/cold-aisle deployments, while Arista EOS software provides comprehensive Layer 2/Layer 3 features, VXLAN network virtualization, deep buffering, and advanced telemetry for scalable, deterministic performance.

Features

Arista Extensible Operating System (EOS) with modular, Linux-based architecture
- VXLAN gateway, bridging, and routing with VMTracer integration
- Up to 128-way ECMP for highly scalable leaf-spine designs
- Multi-Chassis Link Aggregation (MLAG) with sub-second failover
- Deep buffering architecture with 8 GB shared packet buffer for lossless forwarding
- Advanced telemetry: sFlow, LANZ (Latency Analyzer), streaming telemetry, gRPC, SNMP
- Precision Time Protocol (PTP) and Network Time Protocol (NTP) support
- Comprehensive QoS with priority queuing and traffic shaping
- Layer 2 protocols: IEEE 802.1Q VLANs, 802.1D/802.1w/802.1s STP, LACP
- Layer 3 routing: OSPF, BGP, VRRP, static routing, IPv4/IPv6
- Zero Touch Provisioning (ZTP) and centralized management via CloudVision
- Hot-swappable, redundant power supplies and fan modules
- Forward Error Correction (FEC): RS-FEC and FC-FEC support
- Programmability: Python, eAPI, RESTful APIs for automation with Ansible, Puppet, Terraform
- Stateful Fault Containment and Stateful Fault Repair for high availability
- Support for 25GBASE-SR, LR, ER optics and Direct Attach Copper (DAC) cables
- 100G optics: 100GBASE-SR4, LR4, ER4, and Active Optical Cables (AOC)

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

48 x 25GbE SFP28 ports (support 1/10/25G speeds)
- 6 x 100GbE QSFP28 ports (support 40/100G speeds)
- Switching capacity: 3.6 Tbps full-duplex
- Forwarding rate: 1.67 billion packets per second (Bpps)
- Latency: 3.8 microseconds (typical)
- Quad-core x86 CPU with 8 GB system memory (expandable to 32 GB)
- 4 GB flash storage
- 8 GB shared packet buffer memory
- MAC address table: 768,000 entries
- Front-to-rear airflow cooling (-F suffix)
- Dual hot-swappable 500W AC power supplies (2 x AC included with C13-C14 power cords)
- Form factor: 1RU rack-mountable
- Management: 1 x 100/1000 Ethernet port, 1 x RS-232 serial console (RJ-45), 2 x USB ports
- Operating temperature: 0°C to 40°C
- Arista Extensible Operating System (EOS)
- Certifications: RoHS compliant, NEBS Level 3, ETSI environmental standards

FAQs

Q: What network topologies is the DCS-7280SR2-48YC6-F best suited for?
A: This switch is ideal for leaf-spine data center fabrics, storage network aggregation, content delivery networks, and data center interconnects. Its high-density 25GbE ports and 100GbE uplinks enable scalable, low-latency connectivity for modern hyperscale and enterprise environments.

Q: What is the difference between the -F and -R airflow variants?
A: The -F model features front-to-rear airflow (port side to fan side), while the -R variant offers rear-to-front airflow. The -F model aligns with cold-aisle intake designs, making it suitable for most traditional data center cooling strategies.

Q: Does this switch support VXLAN and network virtualization?
A: Yes, the DCS-7280SR2-48YC6-F fully supports VXLAN bridging and routing with EVPN control plane, enabling scalable Layer 2 and Layer 3 overlay networks for multi-tenant cloud environments and workload mobility.

Q: Can the memory and storage be upgraded?
A: The base configuration includes 8 GB system memory (expandable to 32 GB) and 4 GB flash storage. Variants with expanded memory and SSD are available as separate SKUs (such as -M suffix models).

Q: What Layer 2 and Layer 3 features are supported?
A: The switch provides comprehensive Layer 2 features including VLANs, STP, MLAG, and LACP, as well as Layer 3 capabilities such as OSPF, BGP, IPv4/IPv6 routing, ECMP (up to 128-way), and internet-scale routing tables for peering environments.

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