• Gray cisco catalyst 9500 series switch with multiple ports and indicator lights shown on the back side of arista dcs-7280sr2k-48c6-m-f switch router
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Arista

Arista DCS-7280SR2K-48C6-M-F | 7280R2 48-Port 10/25G Switch Router, 6x 100G QSFP

DCS-7280SR2K-48C6-M-F

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Description

The Arista DCS-7280SR2K-48C6-M-F is a high-performance data center switch router featuring 24x 10GbE, 24x 25GbE SFP28, and 6x 100GbE QSFP ports, delivering 2.88 Tbps throughput with 835 Mpps forwarding capacity. Equipped with expanded memory, built-in SSD, and front-to-rear airflow, it supports advanced Layer 2/3 routing, AlgoMatch for flexible policy control, and full Arista EOS automation. Ideal for high-density leaf-spine architectures, cloud networking, and enterprise data centers requiring scalable 10/25/100G connectivity with ultra-low latency.

Features

Layer 2 and Layer 3 switch router with full routing protocol support (BGP, OSPF, ISIS, EIGRP)
- AlgoMatch technology for scalable ACLs and policy-based forwarding (>24K ACL entries)
- FlexRoute engine supporting over 2 million IPv4 routes for internet-scale routing
- Wire-speed performance across all ports with line-rate forwarding
- Multi-Chassis Link Aggregation (MLAG) for active-active Layer 2 redundancy
- 128-way ECMP for load balancing across large leaf-spine fabrics
- VXLAN hardware acceleration for network virtualization and overlay networks
- EVPN support for Layer 2 and Layer 3 VPN services
- Segment Routing and advanced MPLS capabilities (LER/LSR)
- 4GB packet buffer for burst absorption and QoS
- Zero Touch Provisioning (ZTP) for automated deployment
- Latency Analyzer (LANZ) for microburst and congestion detection
- Data Analyzer (DANZ) with TAP aggregation and advanced mirroring
- VM Tracer for virtualized workload visibility and mobility
- Precision Time Protocol (PTP/IEEE 1588v2) for timing synchronization
- Advanced Event Management (AEM) for workflow automation
- Accelerated sFlow (RFC 3176) for network telemetry
- Built-in SSD for local logging, packet capture, and application hosting
- Quad-core x86 CPU supporting Linux-based tools and containers
- REST API, JSON-RPC, and OpenFlow for programmability
- Hot-swappable redundant power supplies and fans
- Front-to-rear airflow compatible with standard data center cooling

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

Total Ports: 48x SFP28 (24x 10GbE, 24x 25GbE configurable in groups) + 6x 100GbE QSFP
- Switching Capacity: 2.88 Tbps
- Forwarding Rate: 835 Mpps
- Latency: From 3.8 microseconds
- MAC Address Table: 768,000 entries
- Routing Table: Over 2 million IPv4 routes with FlexRoute, 768K host routes
- Memory: Up to 32GB DRAM (expanded memory configuration)
- Flash: 4GB Flash
- Storage: Built-in SSD for advanced logging and data capture
- CPU: Quad-core x86 processor
- Buffer: 4GB packet buffer
- Airflow: Front-to-rear (port side intake)
- Power Supply: Dual redundant AC power supplies
- Fans: 4 hot-swappable fans (N+1 redundancy), reversible airflow
- Form Factor: 1RU rackmount
- Dimensions: 48.3 x 4.4 x 40.6 cm (19 x 1.75 x 16 inches)
- Weight: 9.0 kg (20.0 lbs)
- Typical Power Consumption: 350W
- Management: CLI, Web GUI, SNMP, Zero Touch Provisioning (ZTP), REST API
- Operating System: Arista EOS (Extensible Operating System)

FAQs

Q: What port configurations are supported on the DCS-7280SR2K-48C6-M-F?
A: The switch supports flexible port configurations with 24x 10GbE and 24x 25GbE SFP28 ports (configurable in groups of 4), plus 6x 100GbE QSFP ports. The QSFP ports can operate as 100GbE, 40GbE, or breakout to 4x 25GbE or 4x 10GbE, providing exceptional deployment flexibility for evolving network requirements.

Q: What is AlgoMatch and how does it benefit this switch?
A: AlgoMatch is Arista's advanced packet matching technology available on the 7280R2K series, combining general-purpose memory with optimized software algorithms to deliver higher-scale access control lists, policy-based forwarding, and flow visibility. It enables over 24,000 ACL entries with minimal performance impact, ideal for security policies and advanced traffic engineering.

Q: What routing capabilities does the 7280SR2K-48C6-M-F offer?
A: The switch router supports full Layer 3 routing with over 2 million IPv4 routes using FlexRoute technology, 768K host routes, and advanced protocols including BGP, OSPF, ISIS, PIM, EVPN, VXLAN, Segment Routing, and MPLS (requires appropriate EOS licenses). It's designed for large-scale leaf-spine fabrics and internet peering applications.

Q: Is the expanded memory configuration beneficial for all deployments?
A: The expanded memory (M designation) is particularly valuable for environments requiring deep routing tables, extensive ACLs, advanced telemetry, or multiple VRF instances. Standard data center leaf deployments may not require it, but internet edge routers, large enterprise aggregation layers, and service provider networks benefit significantly from the additional DRAM and built-in SSD.

Q: What Arista EOS features are available on this platform?
A: The switch runs the full Arista EOS with support for Zero Touch Provisioning, VM Tracer, LANZ (microburst detection), DANZ (advanced mirroring and TAP aggregation), Advanced Event Management, sFlow, MLAG, 128-way ECMP, and stateful failover. EOS provides Linux-based programmability with REST APIs, Python scripting, and third-party application integration.

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