• Gray metal arista dcs-7280tr3-40c6-f server rack back with multiple ports and indicator lights for high-speed networking
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Arista

Arista DCS-7280TR3-40C6-FLX-R | 7280R3 40-Port 10GBASE-T Switch, 6x 100G, FLX

DCS-7280TR3-40C6-FLX-R

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Description

The Arista DCS-7280TR3-40C6-FLX-R is a high-performance 1RU data center switch router featuring 40 x 10GBASE-T ports and 6 x 100G QSFP uplinks with 800 Gbps wire-speed performance and 2GB deep buffer. This model includes the FLX software license enabling full routing capabilities with up to 2M routes, advanced MPLS, EVPN, VXLAN, BGP, OSPF, ISIS, and Segment Routing. The rear-to-front airflow configuration is optimized for cold-aisle data center deployments, making it ideal for leaf-spine architectures, aggregation layers, and internet peering applications.

Features

Virtual Output Queue (VOQ) architecture eliminates head-of-line blocking
- Deep 2GB packet buffer with HBM2 memory for lossless forwarding
- Full Layer 2 and Layer 3 switching and routing capabilities
- BGP, OSPF, ISIS, and PIM routing protocols with up to 2M routes
- MPLS Label Edge Router (LER) and Label Switch Router (LSR) functionality
- EVPN and VXLAN for overlay network virtualization
- Segment Routing for traffic engineering and simplified MPLS
- Algorithmic ACLs with advanced pattern matching and high-scale access control
- Multi-Chassis Link Aggregation (MLAG) for active-active Layer 2 topology
- 512-way Equal Cost Multi-Path (ECMP) routing
- Hardware-accelerated sFlow for high-performance network telemetry
- Inband Network Telemetry (INT) for per-flow visibility and latency monitoring
- LANZ (Latency Analyzer) for real-time congestion detection
- DANZ (Data Analyzer) for advanced traffic mirroring and tap aggregation
- IEEE 1588v2 Precision Time Protocol with nanosecond accuracy
- CloudVision integration for centralized management and automation
- Zero-Touch Provisioning (ZTP) for rapid deployment
- Hot-swappable redundant power supplies and fan modules
- Arista EOS with stateless restart and in-service software upgrades
- Python scripting, REST API, NETCONF, and OpenConfig support

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

40 x 10GBASE-T RJ45 ports
- 6 x 100G QSFP ports
- Switching Capacity: 800 Gbps wire-speed (1.6 Tbps full-duplex)
- Forwarding Rate: 600 Mpps
- Packet Buffer: 2GB deep buffer with VOQ architecture
- Latency: From 3.8 microseconds
- CPU: Quad-core x86 processor
- System Memory: 8GB (expandable to 64GB)
- Flash Storage: 8GB
- FLX License: Full routing up to 2M routes, MPLS-LER/LSR, EVPN, VXLAN, Segment Routing, advanced ACLs
- Routing Protocols: BGP, OSPF, ISIS, PIM, up to 2M routes
- Airflow: Rear-to-front (blue PSU/fan)
- Power Supply: 2 x AC redundant hot-swappable PSUs
- Form Factor: 1RU fixed configuration
- Management: Arista EOS, CLI, web GUI, REST API, NETCONF, gNMI
- Standards: IEEE 802.3, 802.1Q, 802.1D, 802.1s, 802.3ad, 802.1ax, 1588v2 PTP

FAQs

Q: What is the difference between FLX and FLX-Lite licenses?
A: The FLX license provides full routing capabilities with up to 2M routes, advanced MPLS-LER/LSR, more than 24K ACL entries, and AlgoMatch features. The FLX-Lite license supports up to 256K routes with base MPLS-LSR functionality, suitable for smaller routing deployments.

Q: What does the -R suffix indicate in this model?
A: The -R suffix denotes rear-to-front airflow, where air flows from the fan side to the switch port side. This configuration is designed for cold-aisle data center deployments. If your environment requires front-to-rear airflow, consider the DCS-7280TR3-40C6-FLX-F variant.

Q: What deployment scenarios is the 7280TR3-40C6 best suited for?
A: This switch is ideal for data center leaf-spine architectures, aggregation layers, internet peering, and high-density server connectivity. The 10GBASE-T ports provide copper connectivity for direct server attachment, while the 100G QSFP uplinks deliver high-speed connectivity to spine switches or core infrastructure.

Q: Does this switch support VXLAN and EVPN?
A: Yes, with the FLX license included, this switch supports full VXLAN and EVPN capabilities for network virtualization and overlay networks, including EVPN with IRB and multi-tenancy features essential for modern data center fabrics.

Q: What advanced features are available with this model?
A: The 7280R3 series includes Arista EOS features such as CloudVision integration, Zero-Touch Provisioning, LANZ latency monitoring, DANZ tap aggregation, Accelerated sFlow, Inband Network Telemetry, Algorithmic ACLs, MLAG, and hardware-accelerated MACsec and IPsec encryption.

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