• Gray metal arista dcs-7280cr3am-48d6-f network switch with 48 100g ports and 6 400g qsfp-dd ports and ventilation slots
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Arista

Arista DCS-7280CR3AM-48D6-F | 7280R3A 48-Port 100G Switch, 6x 400G QSFP-DD

DCS-7280CR3AM-48D6-F

Stock Status: Enquire

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Description

The Arista DCS-7280CR3AM-48D6-F is a high-performance 2RU data center switch router delivering 48 ports of 100GbE QSFP and 6 ports of 400GbE QSFP-DD connectivity with 7.2 Tbps throughput and 2.7 billion packets per second forwarding capacity. Featuring Enhanced MACsec encryption, front-to-rear airflow, and deep packet buffering, this switch is purpose-built for large-scale cloud, leaf-spine, and service provider networks requiring wire-speed Layer 2 and Layer 3 performance. Part of the 7280R3A Series, it combines FlexRoute scalability with Arista EOS for comprehensive data center automation and telemetry.

Features

Wire-speed Layer 2 and Layer 3 switching with non-blocking architecture
- Enhanced MACsec with Arista TunnelSec for AES-256-GCM encryption
- IPsec and VXLANsec support for encrypted tunnels across Layer 2, Layer 3, and overlay networks
- 8 GB deep packet buffer with Virtual Output Queue (VOQ) architecture for lossless forwarding
- FlexRoute engine with flexible forwarding table allocation and 1.4M+ route scale
- EVPN-VXLAN gateway and routing for modern overlay architectures
- Multi-Chassis Link Aggregation (MLAG) for active/active Layer 2 topologies
- Up to 512-way ECMP for scalable leaf-spine designs
- Advanced telemetry: sFlow, LANZ, DANZ, Inband Network Telemetry (INT), streaming via gNMI
- IEEE 1588v2 PTP for hardware-assisted precision timing
- Algorithmic ACLs for scalable access control and policy enforcement
- BGP, OSPF, IS-IS, MPLS (LDP, RSVP-TE), Segment Routing (SR-MPLS) support
- Comprehensive QoS with flexible scheduling: strict priority, weighted round-robin, and hybrid modes
- Hot-swappable power supplies and fan trays for high availability
- Arista EOS with modular Linux-based architecture and in-service software upgrades
- CloudVision integration with Zero-Touch Provisioning (ZTP) and programmable automation
- OpenConfig and gNMI support for vendor-neutral configuration and telemetry
- Advanced Event Management (AEM) for event-driven automation

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 100GbE QSFP ports
- 6x 400GbE QSFP-DD ports
- Switching capacity: 7.2 Tbps (14.4 Tbps full-duplex)
- Forwarding rate: 2.7 billion packets per second
- 8 GB deep packet buffer
- 4,096 virtual interfaces
- 120 GB SSD storage
- 8-core CPU with 64 GB memory
- Enhanced MACsec encryption (IEEE 802.1AE)
- Front-to-rear airflow design
- 2x AC power supplies (PWR-1511-AC)
- Hot-swappable fans and power supplies
- Dimensions: 48.3 x 8.8 x 68.4 cm (2RU)
- Weight: 22.0 kg
- FlexRoute engine supporting 1.4M+ routes
- Operating system: Arista EOS
- Management: CLI, eAPI, CloudVision, SNMP, gNMI

FAQs

Q: What is the difference between the DCS-7280CR3AM-48D6-F and the base DCS-7280CR3A-48D6 model?
A: The DCS-7280CR3AM-48D6-F includes Enhanced MACsec encryption capabilities with Arista TunnelSec support, enabling line-rate AES-256-GCM authenticated encryption for Layer 2, Layer 3, and VXLAN overlay networks. The base model does not include these advanced encryption features. The -F suffix indicates front-to-rear airflow with 2x AC power supplies included.

Q: What network architectures is this switch designed for?
A: The DCS-7280CR3AM-48D6-F is optimized for high-performance data center leaf-spine topologies, cloud fabrics, service provider networks, Data Center Interconnect (DCI), content delivery networks, and AI/ML workloads. It supports Layer 2 MLAG, Layer 3 ECMP, and EVPN-VXLAN overlay architectures with non-blocking performance and deep buffering for lossless forwarding.

Q: Does this switch support flexible port speeds on the QSFP and QSFP-DD interfaces?
A: Yes, the 48x 100GbE QSFP ports support flexible breakout modes including 10G, 25G, 40G, 50G, and 100G using industry-standard optics. The 6x 400GbE QSFP-DD ports support 100G, 200G, and 400G connectivity, allowing for phased migration and mixed-speed environments in modern data centers.

Q: What routing table scale does this switch support?
A: The DCS-7280CR3AM-48D6-F features Arista's FlexRoute engine, supporting full internet routing tables with over 1.4 million IPv4 and IPv6 routes in hardware. The flexible database approach allows optimal allocation of forwarding resources for MAC, routing, host, and ARP tables based on specific deployment requirements.

Q: Is this switch compatible with Arista CloudVision for centralized management?
A: Yes, the switch runs Arista EOS and integrates seamlessly with CloudVision for centralized configuration management, network-wide change control, topology visualization, telemetry streaming, and compliance monitoring. It supports Zero-Touch Provisioning (ZTP), streaming telemetry via gNMI, and programmable automation through Python and eAPI.

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