• 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-M-F | 7280R2 48-Port 25G Switch, 8GB, 6x 100G QSFP28

DCS-7280SR2-48YC6-M-F

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Description

The Arista DCS-7280SR2-48YC6-M-F is a high-performance 1RU data center switch engineered for leaf-spine architectures and cloud-scale environments. With 48 wire-speed 25GbE SFP28 ports and 6 100GbE QSFP28 uplinks, it delivers 3.6 Tbps switching capacity and ultra-low 3.8 microsecond latency. This model includes expanded memory, an SSD for enhanced telemetry and automation, and front-to-rear airflow for optimized data center cooling.

Features

48 wire-speed 25GbE SFP28 ports with 1/10/25G multi-rate support and Forward Error Correction (FC/RS FEC)
- 6 QSFP28 100G uplinks with flexible breakout to 25G/40G/10G
- 3.6 Tbps non-blocking switching capacity with full line-rate performance across all ports
- 8GB deep packet buffer for lossless forwarding and burst absorption
- Ultra-low latency of 3.8 microseconds with deterministic performance
- Expanded memory and SSD storage for advanced telemetry and automation
- Arista EOS with VXLAN/EVPN for overlay networking and multi-tenant segmentation
- 128-way ECMP for optimal load balancing in leaf-spine fabrics
- Advanced Layer 3 routing: BGP, OSPF, IS-IS with internet-scale routing tables
- MLAG (Multi-Chassis Link Aggregation) for high availability and simplified cabling
- Streaming telemetry with sFlow, LANZ (Latency Analyzer), and gRPC support
- IEEE 1588 PTP (Precision Time Protocol) for precise network timing
- MACsec support for wire-speed encryption on all ports
- CloudVision integration for centralized automation and zero-touch provisioning (ZTP)
- Stateful Fault Repair (SFR) and hitless ISSU for zero-downtime upgrades
- Programmable via Python, eAPI, NETCONF/YANG, and OpenConfig
- Dual hot-swappable redundant AC power supplies (1+1)
- N+1 hot-swappable fan modules with front-to-rear airflow
- NEBS Level 3 and ETSI compliance for carrier-grade reliability
- Energy-efficient design with optimized power consumption

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

48x 25GbE SFP28 ports (supporting 1/10/25G with FC and RS FEC)
- 6x 100GbE QSFP28 ports (breakout capable: 6x100G, 24x25G, 6x40G, or 24x10G)
- Switching capacity: 3.6 Tbps full-duplex
- Forwarding rate: 1.67 billion packets per second (Bpps)
- Latency: 3.8 microseconds (approximate)
- Packet buffer: 8GB deep buffer for burst handling
- MAC address table: 768,000 entries
- System memory: 8GB base (expandable to 32GB)
- Flash storage: 4GB (includes SSD for expanded storage)
- Processor: Quad-core x86 CPU
- Management: CLI, eAPI, NETCONF/YANG, OpenConfig, gNMI, SNMP, Python scripting
- Power: Dual redundant hot-swappable AC power supplies
- Airflow: Front-to-rear (port side to fan side)
- Form factor: 1RU rack-mountable
- Dimensions: 1.75H x 17.5W x 16D inches (approx.)
- Weight: Approximately 17.8 lbs (8.1 kg)
- Compliance: NEBS Level 3, ETSI, RoHS

FAQs

Q: What is the difference between the standard and M variant models?
A: The M variant (DCS-7280SR2-48YC6-M-F) includes expanded memory and an integrated SSD, providing enhanced capacity for advanced telemetry, automation workloads, streaming analytics, and complex network configurations compared to the base model.

Q: Can the QSFP28 ports be broken out to lower speeds?
A: Yes, the 6 QSFP28 ports support flexible breakout configurations including 24x 25GbE, 24x 10GbE, or 6x 40GbE, in addition to native 100GbE operation, providing deployment flexibility for diverse connectivity requirements.

Q: What does the F suffix in the model number indicate?
A: The F suffix denotes front-to-rear airflow, meaning air flows from the switch port side to the fan side. This cooling design is optimized for cold-aisle/hot-aisle data center configurations where front intake and rear exhaust are required.

Q: Is Arista EOS included with this switch?
A: Yes, the switch runs Arista Extensible Operating System (EOS) which provides comprehensive Layer 2 and Layer 3 features, VXLAN/EVPN support, streaming telemetry, automation via Python and APIs, and CloudVision integration for centralized management.

Q: What deployment scenarios is this switch best suited for?
A: The DCS-7280SR2-48YC6-M-F is ideal for leaf-spine topologies, top-of-rack deployments, storage fabrics, high-frequency trading environments, cloud service provider networks, and enterprise data centers requiring high-density 25G server connectivity with 100G uplinks and minimal latency.

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