• Gray metal arista dcs-7280cr3am-24d12-flx-f network switch with 24 100g and 12 400g ports and ventilation slots
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Arista

Arista DCS-7280CR3AM-24D12-FLX-F | 7280R3A 24-Port 100G + 12-Port 400G Switch, 7.2Tbps

DCS-7280CR3AM-24D12-FLX-F

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Description

The Arista 7280R3A data center switch delivers exceptional performance with 24x 100GbE QSFP ports and 12x 400GbE QSFP-DD ports, providing up to 7.2 Tbps throughput in a compact 1RU form factor. This FLX-licensed model supports over 256K routes with advanced MPLS and VXLAN capabilities, making it ideal for large-scale data centers, internet peering, and high-performance cloud networking. Enhanced MACsec encryption across all ports ensures comprehensive security for demanding enterprise and service provider environments.

Features

Arista EOS operating system with advanced state-sharing architecture
- FlexRoute engine supporting over 256K IPv4/IPv6 routes with FLX license
- Full Layer 2/3 switching with MLAG, ECMP, VXLAN, EVPN-VXLAN overlay support
- Advanced MPLS with LER/LSR, segment routing, and pseudowire support
- Line-rate MACsec, TunnelSec, and IPsec encryption across all ports
- Algorithmic ACLs for scalable access control and policy-based forwarding
- 8GB deep packet buffer with VOQ architecture for lossless forwarding
- Accelerated sFlow with 1:500 sampling rates at wire speed
- Inband Network Telemetry (INT) for real-time per-flow visibility
- Precision timing with PTP, SyncE, OCXO, and PPS/10M/ToD inputs
- Hot-swappable redundant AC power supplies and fan modules
- Zero Touch Provisioning (ZTP) and CloudVision integration
- Comprehensive routing protocols: BGP, OSPF, ISIS, PIM, mLDP
- DANZ monitoring with multi-port mirroring and tap aggregation
- Support for 400G-ZR coherent optics for DCI applications

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

Port Configuration: 24x 100GbE QSFP ports, 12x 400GbE QSFP-DD ports
- Maximum Port Configurations: Up to 72x 100G, 12x 400G, or 116x 50G/25G/10G via breakout
- Switching Capacity: 7.2 Tbps (14.4 Tbps full-duplex)
- Forwarding Rate: 2.7 billion packets per second
- Packet Buffer: 8GB deep buffer memory
- CPU & Memory: Eight-core x86 processor, 64GB system memory, 480GB SSD
- Routing Capacity: Over 256K IPv4/IPv6 routes with FLX license
- Latency: From 3.8 microseconds
- Encryption: Line-rate MACsec AES-256-GCM on all ports, TunnelSec, IPsec support
- Power Supply: Dual redundant 1900W AC PSU, front-to-rear airflow
- Dimensions: 48.3 x 4.4 x 59.2 cm (19 x 1.75 x 23.3 inches), 1RU
- Weight: 14.8 kg (32.6 lbs)
- Management: CLI, SNMP, Telnet, REST API, CloudVision support
- Operating Temperature: 0°C to 40°C

FAQs

Q: What is the difference between the FLX-F model and standard 7280CR3AM models?
A: The FLX-F variant includes enhanced routing licenses supporting over 256K routes with advanced MPLS-LER/LSR and VXLAN capabilities, compared to standard models with base routing. It also includes front-to-rear airflow and dual AC power supplies for data center deployment.

Q: Does this switch support encryption across all ports?
A: Yes, the 7280CR3AM model includes Enhanced MACsec with line-rate AES-256-GCM encryption on all 24x 100G and 12x 400G ports. It also supports TunnelSec for layer 2/3 IPsec encryption and VXLANsec for encrypted overlay networks.

Q: What breakout options are available on this switch?
A: The 100G QSFP ports support breakout to 4x 25G or 4x 10G. QSFP-DD 400G ports can operate as 100G or support 2x 200G, 4x 100G, or 8x 50G configurations, providing maximum flexibility for mixed-speed deployments up to 116 total interfaces.

Q: Is this switch suitable for spine or leaf deployments?
A: Yes, the 7280R3A is ideal for both roles. Its 8GB deep buffer eliminates head-of-line blocking in spine applications handling incast traffic, while the high-density 100G/400G ports and advanced L2/L3 features make it excellent for leaf-spine architectures in modern data centers.

Q: What software licensing is required for this model?
A: The FLX license is built into this SKU, providing full routing up to 256K routes, EVPN, VXLAN, Segment Routing, and advanced MPLS capabilities. Arista EOS software is included. Optional CloudVision subscriptions are available separately for network-wide automation and telemetry.

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