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

Arista DCS-7280CR3AM-24D12-F | 7280R3A 24-Port 100G + 12-Port 400G Switch, Enhanced MACsec

DCS-7280CR3AM-24D12-F

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Description

The Arista DCS-7280CR3AM-24D12-F is a high-performance 1RU data center switch router designed for modern cloud and enterprise networks. Combining 24x 100GbE QSFP ports and 12x 400GbE QSFP-DD ports, this switch delivers 7.2 Tbps throughput with 2.7 Bpps forwarding capacity and deep packet buffers for lossless performance. Enhanced with line-rate AES-256 MACsec encryption (TunnelSec), it's ideal for spine-leaf architectures, Internet peering, high-performance computing, and data center interconnect applications requiring scalable Layer 2/3 forwarding with advanced security.

Features

Wire-speed Layer 2 and Layer 3 forwarding with non-blocking architecture
- TunnelSec: Line-rate MACsec, IPsec, and VXLANsec encryption at 14.4 Tbps
- Advanced routing: BGP, OSPF, IS-IS, MPLS, Segment Routing, EVPN-VXLAN
- FlexRoute engine for flexible forwarding table allocation and Internet-scale routing
- Deep packet buffers with Virtual Output Queue (VOQ) architecture for lossless performance
- Accelerated sFlow for high-rate traffic sampling without CPU overhead
- Inband Network Telemetry (INT) for real-time per-flow latency and congestion monitoring
- Comprehensive QoS with multiple scheduling algorithms and dynamic buffer allocation
- Precision Time Protocol (PTP) IEEE 1588v2 and SyncE for timing synchronization
- Multi-Chassis Link Aggregation (MLAG) for active/active redundancy
- Advanced mirroring capabilities: port mirroring, SPAN, ERSPAN, RSPAN
- CloudVision integration for network-wide automation and telemetry
- Zero Touch Provisioning (ZTP) for automated deployment
- Arista EOS: Single modular OS with in-service upgrades and stateful switchover
- Hot-swappable fans and power supplies for high availability

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

24x 100GbE QSFP ports supporting 40G/100G operation
- 12x 400GbE QSFP-DD ports supporting 100G/200G/400G operation
- Switching capacity: 7.2 Tbps (14.4 Tbps full-duplex)
- Forwarding rate: 2.7 billion packets per second (Bpps)
- Latency: From 3.8 microseconds
- Enhanced MACsec encryption: Line-rate AES-256-GCM on all ports (TunnelSec)
- Deep packet buffers for burst absorption and lossless forwarding
- CPU: Multi-core x86 processor with up to 64GB system memory
- Management: Arista EOS with CLI, REST API, CloudVision support
- Airflow: Front-to-rear (port-side intake, fan-side exhaust)
- Power: 2x hot-swappable AC power supplies
- Form factor: 1RU, 48.3 x 4.4 x 59.2 cm (19 x 1.75 x 23.3 inches)
- Weight: 14.8 kg (32.6 lbs)

FAQs

Q: What encryption features does the DCS-7280CR3AM-24D12-F support?
A: This model includes TunnelSec with line-rate AES-256-GCM encryption supporting IEEE 802.1AE MACsec, IPsec, and VXLANsec across all ports at full wire speed for secure Layer 2 and Layer 3 connectivity.

Q: What network roles is this switch designed for?
A: The DCS-7280CR3AM-24D12-F is ideal for data center spine and leaf deployments, Internet peering, high-performance storage networks, AI/ML fabrics, DCI applications, and anywhere requiring high-density 100G/400G with deep buffers and encryption.

Q: Can this switch support flexible port speed configurations?
A: Yes, the 12x QSFP-DD ports support 100G, 200G, and 400G operation, while the 24x QSFP ports support 40G and 100G, allowing flexible bandwidth allocation based on deployment requirements.

Q: What makes the 7280R3AM model different from the standard 7280R3A?
A: The R3AM variant includes enhanced MACsec encryption capabilities with TunnelSec, providing line-rate IPsec and VXLANsec in addition to MACsec for comprehensive Layer 2/3 security at full wire speed across WAN and DCI links.

Q: Does this switch support advanced routing protocols?
A: Yes, running Arista EOS, it supports full Layer 3 routing including BGP, OSPF, IS-IS, MPLS, Segment Routing, EVPN, VXLAN, and large routing tables with FlexRoute for Internet-scale deployments.

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