• 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-R | 7280R2 48-Port Multi-Rate Switch, 2.88 Tbps, 6x 100G

DCS-7280SR2K-48C6-M-R

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Description

The Arista DCS-7280SR2K-48C6-M-R is a high-performance data center switch router featuring 24 ports of 10GbE and 24 ports of 25GbE with 6x100GbE QSFP uplinks, delivering 2.88 Tbps switching capacity. Built with AlgoMatch technology for advanced flow matching and policy control, it includes expanded memory and integrated SSD storage for demanding routing tables and advanced telemetry applications. The rear-to-front airflow design optimizes data center cooling efficiency.

Features

AlgoMatch technology for advanced packet classification and policy-based forwarding
- Virtual Output Queue (VOQ) architecture eliminates head-of-line blocking
- Full Layer 2 and Layer 3 switching with wire-speed performance
- Advanced routing protocols: BGP, OSPF, IS-IS, MPLS, Segment Routing
- VXLAN and EVPN support for network virtualization and overlay networks
- 128-way ECMP for scalable load balancing across leaf-spine architectures
- MLAG (Multi-Chassis Link Aggregation) for active-active redundancy
- Integrated SSD for advanced logging, telemetry, and traffic capture
- Hardware-accelerated sFlow for comprehensive network visibility
- LANZ (Latency Analyzer) for real-time microburst detection
- IEEE 1588v2 PTP for precision time synchronization
- Zero Touch Provisioning (ZTP) for automated deployment
- CloudVision integration for centralized management and analytics
- Redundant hot-swappable power supplies and fan trays
- Advanced QoS with flexible queuing and traffic shaping
- Comprehensive security features including ACLs, uRPF, and AAA

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

Ports: 24x SFP+ (10GbE), 24x SFP28 (25GbE), 6x QSFP100 (100GbE)
- Switching Capacity: 2.88 Tbps
- Forwarding Rate: 835 Mpps
- Latency: 3.8 microseconds
- Packet Buffer: 4 GB deep buffer with VOQ architecture
- CPU: Quad-core x86 processor
- Memory: Expanded memory configuration with integrated SSD
- Routing Scale: 768K MAC addresses, 768K IPv4/IPv6 host routes, 2M+ IPv4 routes with AlgoMatch
- Airflow: Rear-to-front (port side to fan side)
- Power Supply: Dual AC power supplies (redundant)
- Form Factor: 1U 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)
- Power Consumption: Approximately 350W typical
- Operating System: Arista EOS (Extensible Operating System)

FAQs

Q: What is AlgoMatch and how does it benefit this switch?
A: AlgoMatch is Arista's hardware-accelerated policy engine that combines general-purpose memory with advanced software algorithms to deliver flexible, scalable solutions for access control, policy-based forwarding, and network telemetry. It enables higher performance flow matching and policy enforcement with better efficiency and scale than traditional TCAM-based approaches.

Q: What licensing is required for advanced Layer 3 features?
A: The switch supports optional licenses including Enhanced L3 License for routing protocols (BGP, OSPF, ISIS, PIM, NAT), Virtualization License for VMTracer and VXLAN, and FLX-Lite or FLX licenses for full routing with EVPN, VXLAN, Segment Routing, and MPLS capabilities. Base Layer 2 switching is included without additional licensing.

Q: Can the 100G QSFP ports be used for lower-speed connections?
A: Yes, the 6x100GbE QSFP ports support breakout configurations, allowing each port to operate as 4x25GbE or 4x10GbE connections, providing up to 24 additional lower-speed ports for flexible connectivity options.

Q: What makes this model suitable for data center deployments?
A: The DCS-7280SR2K-48C6-M-R combines high-density multi-rate ports with deep buffering, low latency, and advanced routing capabilities. The expanded memory and SSD support large routing tables for internet-scale BGP, while AlgoMatch enables sophisticated traffic engineering and telemetry for modern leaf-spine and data center interconnect architectures.

Q: What is the difference between -M-R and -M-F models?
A: The suffix indicates airflow direction: -M-R has rear-to-front airflow (cool air enters from port side, exhausts from fan side), while -M-F has front-to-rear airflow (reverse direction). The -M denotes expanded memory and SSD. Choose the airflow direction that matches your data center hot aisle/cold aisle configuration.

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