• 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-R | 7280R3 40-Port 10GBASE-T Switch, 6x 100G QSFP

DCS-7280TR3-40C6-R

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Description

The Arista DCS-7280TR3-40C6-R is a 1RU data center switch router delivering 800 Gbps non-blocking switching capacity with 40x 10GBASE-T copper ports and 6x 100G QSFP uplinks. Built on a next-generation VOQ ASIC with 2GB HBM2 packet buffer and ultra-low latency, it provides comprehensive Layer 2/3 routing capabilities including BGP, MPLS, EVPN, VXLAN, and up to 512-way ECMP. The -R suffix denotes rear-to-front airflow for hot aisle exhaust deployments in modern data center leaf-spine architectures.

Features

Full Layer 3 switch router with BGP, OSPF, IS-IS routing protocols
- MPLS support including LDP, RSVP-TE, BGP-LU, and Segment Routing
- EVPN with Integrated Routing and Bridging for Layer 2/3 overlay services
- VXLAN hardware VTEP with 512-way ECMP load distribution
- Virtual Output Queue architecture eliminates head-of-line blocking
- Dynamic deep buffering with 2GB HBM2 for lossless forwarding
- Algorithmic ACLs for high-scale access control and policy enforcement
- IEEE 1588v2 PTP hardware-assisted precision timing
- Multi-Chassis Link Aggregation for active-active Layer 2 topologies
- Hot-swappable dual AC PSU with N+1 fan redundancy
- Arista EOS with Python/Bash scripting and RESTful API automation
- CloudVision network-wide management and Zero-Touch Provisioning
- Standards-based management via SNMP, NETCONF, RESTCONF, OpenConfig

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

40x 10GBASE-T RJ45 copper ports supporting 100M/1G/10G auto-negotiation
- 6x 100G QSFP uplinks with breakout support for 4x25G or 4x10G
- 800 Gbps wire-speed non-blocking switching capacity
- 1.0 Bpps forwarding rate with 2GB HBM2 deep packet buffer
- 3.8 microsecond store-and-forward latency
- Quad-core x86 CPU with 8GB DRAM standard, 64GB optional
- Dual hot-swappable AC power supplies, 1+1 redundancy
- Rear-to-front airflow for hot aisle exhaust cooling
- 1RU 19-inch rack-mount form factor
- Arista EOS with CloudVision integration and Zero-Touch Provisioning

FAQs

Q: What is the difference between the -R and -F airflow variants?
A: The -R suffix indicates rear-to-front airflow where cool air enters from the port side and exhausts from the non-port side, ideal for hot aisle exhaust deployments. The -F variant has front-to-rear airflow for cold aisle intake configurations.

Q: What routing scale does the 7280TR3 series support?
A: The 7280R3 Series supports over 2 million IPv4 LPM routes, over 1.4 million IPv6 LPM routes, and 384K MAC addresses with FlexRoute technology, providing full Internet routing table support with hardware acceleration.

Q: Can this switch be deployed as both a leaf and spine switch?
A: Yes, the DCS-7280TR3-40C6-R is designed for universal leaf and spine deployments in modern data center fabrics, supporting both Layer 2 MLAG and Layer 3 ECMP architectures with up to 512-way load balancing.

Q: What advanced telemetry features are included?
A: The switch includes LANZ congestion analytics, Accelerated sFlow with hardware sampling, Advanced Event Management, DANZ mirroring and filtering, Inband Network Telemetry, IPFIX, and gNMI streaming for comprehensive network visibility.

Q: Does this model support network virtualization and overlay protocols?
A: Yes, it fully supports VXLAN with hardware VTEP, EVPN with IRB, MPLS including LDP and RSVP-TE, Segment Routing, and Layer 2/3 VPN services for modern software-defined data center deployments.

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