• 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-7280SR2A-48YC6M-F | 7280R2 48-Port 25G Switch, AlgoMatch, 6x 100G QSFP28

DCS-7280SR2A-48YC6M-F

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Description

The Arista DCS-7280SR2A-48YC6M-F is a high-performance 1RU data center switch featuring 48x 25GbE SFP28 ports and 6x 100GbE QSFP28 uplinks with 3.6 Tbps switching capacity. Enhanced with AlgoMatch technology for advanced packet matching and expanded memory support, this switch delivers ultra-low latency performance and exceptional scalability for modern cloud, spine-leaf architectures, and high-speed data center deployments. Front-to-rear airflow design with redundant power supplies ensures reliable operation in demanding environments.

Features

AlgoMatch advanced packet classification engine for scalable ACL and policy-based forwarding
- Expanded memory support (8GB base, upgradable to 32GB) for large routing tables and high-scale deployments
- Ultra-low latency forwarding (3.8 microseconds) for time-sensitive applications
- Non-blocking 3.6 Tbps switching fabric with line-rate performance on all ports
- 32MB shared packet buffer for traffic burst absorption
- Layer 2 features: MLAG, VXLAN, EVPN, LACP, MSTP, VLANs, 802.1Q tagging
- Layer 3 features: BGP, OSPFv2/v3, IS-IS, ECMP (128-way), PIM multicast, HSRP, VRRP
- MACsec encryption on all ports for wire-speed secure connectivity
- VXLAN network virtualization with hardware VTEP support
- FlexRoute engine for Internet-scale routing table support
- Arista EOS with advanced automation, telemetry, and programmability
- Zero Touch Provisioning (ZTP) for automated deployment
- CloudVision integration for centralized network management and analytics
- eAPI, NETCONF/YANG, OpenConfig, gNMI support for programmable automation
- Python scripting and Linux shell access for custom workflows
- LANZ (Latency Analyzer) for microsecond-level congestion visibility
- Streaming telemetry for real-time network monitoring
- Hot-swappable redundant power supplies and fan modules for high availability
- Secure boot and role-based access control (RBAC) for enhanced security
- NEBS Level 3, ETSI, and RoHS compliant

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 (1/10/25G speeds configurable in groups of 4)
- 6x 100GbE QSFP28 uplink ports (supports 100G, 40G, 25G, and 10G breakout)
- Switching capacity: 3.6 Tbps full-duplex
- Forwarding rate: 1.67 Bpps (billion packets per second)
- Latency: 3.8 microseconds typical
- MAC address table: 768,000 entries
- System memory: 8GB (expandable to 32GB)
- Flash storage: 4GB
- CPU: Quad-core x86 processor
- AlgoMatch technology for enhanced packet classification and policy-based forwarding
- Expanded memory support for large-scale routing tables
- Front-to-rear airflow (port side to fan side)
- Redundant hot-swappable power supplies: 2x 747W AC (1+1 redundancy)
- Hot-swappable fan modules: 4x FAN-7000H-F (N+1 redundancy)
- Power consumption: 263W typical, 381W maximum
- Dimensions: 48.3 x 4.4 x 52.3 cm (19 x 1.75 x 20.6 inches), 1RU
- Weight: 10.4 kg (22.9 lbs)
- Management: RS-232 RJ45 console, 1x out-of-band Ethernet, 2x USB ports
- Operating system: Arista EOS with full programmability support

FAQs

Q: What is AlgoMatch technology and how does it benefit this switch?
A: AlgoMatch is Arista's innovative packet matching technology that combines advanced software algorithms with flexible memory architecture to deliver enhanced ACL scale, policy-based forwarding, and network telemetry capabilities beyond standard merchant silicon. This enables more efficient and scalable access control and traffic management for large-scale data center deployments.

Q: Can the QSFP28 ports be broken out into lower-speed connections?
A: Yes, the 6x 100GbE QSFP28 uplink ports support flexible breakout configurations including 6x 100GbE, 24x 25GbE, 6x 40GbE, or 24x 10GbE, providing deployment flexibility for various network architectures and allowing you to maximize port density based on your connectivity requirements.

Q: What is the difference between front-to-rear and rear-to-front airflow models?
A: The DCS-7280SR2A-48YC6M-F features front-to-rear airflow (air flows from the port side to the fan side), which is ideal for cold-aisle containment deployments. The -R variant has rear-to-front airflow for hot-aisle configurations. Select the model that matches your data center cooling design for optimal thermal management.

Q: Is this switch suitable for spine-leaf data center architectures?
A: Absolutely. With 3.6 Tbps throughput, ultra-low 3.8μs latency, and support for VXLAN, EVPN, ECMP, and MLAG, this switch is ideal for leaf-spine deployments. The high port density and 100G uplinks make it perfect for leaf-layer aggregation or top-of-rack applications requiring high-speed server connectivity and scalable fabric architectures.

Q: What Layer 2 and Layer 3 protocols does this switch support?
A: The switch supports comprehensive Layer 2 features including MLAG, VXLAN/EVPN, LACP, MSTP, and MACsec on all ports. Layer 3 capabilities include BGP, OSPFv2/v3, IS-IS, ECMP (up to 128-way), PIM-SM/SSM, HSRP, and VRRP. It also supports advanced automation via eAPI, NETCONF/YANG, OpenConfig, gNMI, and streaming telemetry through Arista EOS.

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