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Arista

Arista DCS-7280CR3AM-32S-F | 7280R3A 32-Port 100G Switch, 2x 400G QSFP-DD

SKU:DCS-7280CR3AM-32S-F

Stock Status: Enquire

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Description

The Arista DCS-7280CR3AM-32S-F is a high-performance data center switch router designed for demanding cloud and service provider environments. Featuring 32 ports of 100 Gigabit Ethernet with two additional 400 Gigabit uplinks, this switch delivers 4.8 Tbps switching capacity and ultra-low 3.8 microsecond latency. Equipped with TunnelSec encryption capabilities and front-to-rear airflow with dual AC power supplies, it provides scalable Layer 2 and Layer 3 forwarding resources with FlexRoute technology for Internet-scale routing tables.

Features

Wire-speed Layer 2 and Layer 3 forwarding with non-blocking architecture
- FlexRoute engine for scalable routing with algorithmic LPM and ACLs
- Multi-Chassis Link Aggregation (MLAG) for active-active redundancy
- VXLAN routing and bridging with hardware VTEP support
- EVPN control plane for overlay network virtualization
- Advanced QoS with 8 priority queues and flexible scheduling
- Deep packet buffers for lossless Ethernet and storage applications
- Precision Time Protocol (PTP) IEEE 1588 for time synchronization
- sFlow and DANZ for comprehensive network visibility and telemetry
- Zero Touch Provisioning (ZTP) and automated configuration rollback
- Hot-swappable redundant power supplies and fan modules
- Support for 4096 VLANs and VRF-Lite for network segmentation

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: 32x 100GbE QSFP28 ports, 2x 400GbE QSFP-DD uplinks
- Switching Capacity: 4.8 Tbps throughput (7.2 Tbps full-duplex)
- Forwarding Rate: 1.35 billion packets per second
- Latency: 3.8 microseconds (from ingress to egress)
- CPU: Eight-core x86 processor
- Security: TunnelSec encryption with 256-bit AES-GCM
- Airflow: Front-to-rear (port-side intake to fan-side exhaust)
- Power: Dual redundant 1500W AC power supplies (hot-swappable)
- Management: CLI, Web GUI, SNMP, RADIUS, TACACS+, REST API
- Form Factor: 1RU rack-mountable
- Operating System: Arista EOS (Extensible Operating System)

FAQs

Q: What is TunnelSec and how does it benefit my network?
A: TunnelSec provides hardware-accelerated encryption for VXLAN and MPLS tunnels using 256-bit AES-GCM, securing data in transit across Layer 2 and Layer 3 networks without impacting performance. This is ideal for multi-tenant environments, data center interconnects, and compliance-driven deployments where data privacy is critical.

Q: Can this switch support both 100G and 400G connectivity simultaneously?
A: Yes, the DCS-7280CR3AM-32S-F features 32 dedicated 100GbE QSFP28 ports plus 2 additional 400GbE QSFP-DD ports for high-speed uplinks or spine connectivity, allowing flexible deployment as a leaf or spine switch in modern data center fabrics.

Q: What routing scale does the FlexRoute engine support?
A: The 7280R3A Series with FlexRoute technology supports Internet-scale routing tables with flexible forwarding profiles that can accommodate large Layer 3 deployments, including full BGP tables, making it suitable for service provider and Internet exchange applications.

Q: Is this switch compatible with existing Arista management tools?
A: Yes, the switch runs Arista EOS and integrates seamlessly with CloudVision for centralized network-wide management, automation, and telemetry. It also supports Zero Touch Provisioning, REST APIs, and standard management protocols for easy integration into existing workflows.

Q: What is the typical use case for this switch model?
A: The DCS-7280CR3AM-32S-F is designed for high-density data center spine and leaf architectures, cloud provider networks, content delivery networks, and IP storage environments requiring ultra-low latency, high throughput, and hardware-based encryption for secure multi-tenant deployments.

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