• Gray metal arista dcs-7280dr3a-36-dc-f 36-port 400g network switch with indicator lights and 16gb buffer shown from front
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Arista

Arista DCS-7280DR3A-36-FLX-F | 7280R3A 36-Port 400G QSFP-DD Switch, 14.4Tbps

DCS-7280DR3A-36-FLX-F

Stock Status: Enquire

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Description

The Arista 7280R3A DCS-7280DR3A-36-FLX-F is a high-performance data center switch router designed for large-scale cloud and service provider networks. Featuring 36 ports of 400GbE QSFP-DD connectivity with 14.4Tbps switching capacity and 16GB deep packet buffers, this 2RU switch delivers wire-speed Layer 2 and Layer 3 forwarding. The FLX license includes support for over 256K routes, MPLS, VXLAN, EVPN, and Segment Routing, making it ideal for spine, leaf, and peering deployments in modern data centers.

Features

FlexRoute engine for scalable Layer 3 forwarding with 256K+ routes
- Wire-speed unicast and multicast L2/L3 forwarding
- EVPN-VXLAN overlay networking for network virtualization
- MPLS Label Switching (LSR) for MPLS networks
- Segment Routing for simplified traffic engineering
- Algorithmic ACLs for scalable policy enforcement
- Advanced QoS with 8 egress queues and scheduling
- Accelerated sFlow and IPFIX for network telemetry
- LANZ (Latency Analyzer) for congestion monitoring
- Precision Time Protocol (PTP) IEEE 1588-2008
- Synchronous Ethernet (SyncE) support
- Hot-swappable dual redundant AC power supplies
- Front-to-rear airflow for efficient data center cooling
- Arista EOS with in-service software upgrades
- Zero Touch Provisioning (ZTP) and automation
- Comprehensive Layer 2 features: MLAG, LACP, VLANs, STP/RSTP/MSTP
- Layer 3 protocols: BGP, OSPF, IS-IS, PIM, IGMP, static routing
- RoHS, CE, FCC compliant

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

36x 400GbE QSFP-DD ports
- 2x OSFP-LS ports for dense 400G-ZR DWDM
- Switching capacity: 14.4Tbps full-duplex
- Forwarding rate: Up to 5.4 billion packets per second
- Packet buffer: 16GB deep buffer
- Routing capacity: Over 256K routes (FLX license)
- Protocol support: MPLS, VXLAN, EVPN, Segment Routing, BGP, OSPF, ISIS
- Airflow: Front-to-rear cooling
- Power supply: Dual redundant AC power supplies
- Form factor: 2RU rackmount
- Dimensions: 48.3 x 8.8 x 61.2 cm (19 x 3.5 x 24.1 inches)
- Weight: 24.1 kg (53.1 lbs)
- Management: Arista EOS with CLI, REST API, NetDB, CloudVision
- Operating temperature: 0°C to 40°C

FAQs

Q: What is the FLX license included with this model?
A: The FLX license provides full Layer 3 routing capabilities with support for over 256K routes, MPLS LSR functionality, EVPN, VXLAN overlays, and Segment Routing. It enables advanced data center and service provider use cases including spine-leaf architectures and DCI.

Q: Can this switch support 100G and 200G connectivity?
A: Yes, the QSFP-DD ports support flexible breakout options including 2x200G, 4x100G, and 8x50G configurations using appropriate optics and cables, providing deployment flexibility across different speed requirements.

Q: What deployment scenarios is this switch best suited for?
A: The 7280DR3A-36-FLX-F is ideal for high-performance data center spine and leaf roles, internet peering, secure data center interconnect (DCI), content delivery networks (CDNs), and AI/ML workloads requiring ultra-low latency and deep buffers.

Q: Does this model support MACsec encryption?
A: The base DCS-7280DR3A-36-FLX-F model does not include MACsec or TunnelSec encryption. For encryption capabilities, consider the 7280DR3AM or 7280DR3AK variants which support IEEE 802.1AE MACsec and Arista TunnelSec.

Q: Is this switch compatible with Arista CloudVision?
A: Yes, the switch runs Arista EOS and is fully compatible with Arista CloudVision for centralized network management, automation, telemetry, and zero-touch provisioning (ZTP). CloudVision subscriptions are available separately.

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