• Gray metal back side of arista dcs-7280cr3a-32s-flx-f network switch with multiple ports and ventilation slots
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Arista

Arista DCS-7280CR3A-32S-FLX-F | 7280R3A 28-Port 100G + 2x 400G Switch, 6.4 Tbps

DCS-7280CR3A-32S-FLX-F

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Description

The Arista DCS-7280CR3A-32S-FLX-F is a high-performance 1RU data center switch router delivering 6.4 Tbps of non-blocking capacity with 28 x 100GbE QSFP ports and 2 x 400GbE QSFP-DD uplinks. Featuring the FLX license for advanced routing with support for over 256K routes, MPLS, VXLAN, EVPN, BGP, and segment routing, this switch is ideal for spine, leaf, or internet peering deployments. Front-to-rear airflow design and deep packet buffers ensure reliable performance in demanding data center environments.

Features

Non-blocking 6.4 Tbps switching fabric with Virtual Output Queue (VOQ) architecture
- Deep 8GB packet buffer for superior burst absorption and lossless operation
- Advanced FlexRoute engine supporting large routing tables and algorithmic ACLs
- Full Layer 2 and Layer 3 switching with MLAG, ECMP, and VRF support
- Comprehensive MPLS support including LDP, RSVP-TE, BGP Labeled Unicast, and Segment Routing
- EVPN and VXLAN for overlay network virtualization and data center interconnect
- BGP, OSPF, IS-IS routing protocols with multicast PIM support
- Accelerated sFlow and IPFIX for wire-rate network telemetry
- Precision Time Protocol (PTP) and Synchronous Ethernet (SyncE)
- Hot-swappable redundant power supplies and fan modules
- Arista EOS operating system with in-service software upgrades
- CloudVision integration for zero-touch provisioning and network automation
- Comprehensive security with ACLs, MACsec support, and control plane protection
- Energy-efficient design with advanced thermal management
- Standards-based interoperability with IEEE 802.1Q, 802.1ad, 802.3, RFC compliance

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: 28 x 100GbE QSFP ports, 2 x 400GbE QSFP-DD ports
- Switching Capacity: 6.4 Tbps non-blocking throughput
- Forwarding Rate: 2.4 billion packets per second (Bpps)
- Routing Capacity: Over 256K routes with FLX license (supports up to 2M routes)
- Buffer Memory: 8GB deep packet buffer
- System Memory: 32GB DRAM standard
- Storage: 64GB SSD
- Protocol Support: BGP, OSPF, IS-IS, MPLS (LDP, RSVP-TE), Segment Routing, EVPN, VXLAN, PIM
- Layer 2 Features: MLAG, VLAN, STP, LACP
- Layer 3 Features: Static routing, ECMP, VRF, ACLs
- Management: CLI, EOS REST API, SNMP, NetDB, CloudVision integration
- Power Supplies: Dual AC power supplies (redundant, hot-swappable)
- Airflow: Front-to-rear (port-side intake)
- Form Factor: 1RU rackmount
- Operating Temperature: 0°C to 40°C
- Certifications: CE, FCC, NEBS Level 3

FAQs

Q: What is the FLX license and what features does it enable?
A: The FLX license unlocks advanced routing capabilities including full routing up to 2M routes, OSPF, IS-IS, BGP, PIM, AlgoMatch ACLs, EVPN, VXLAN, Segment Routing, and advanced MPLS LER/LSR functionality. It's ideal for internet peering, service provider edge, and large-scale data center spine applications.

Q: Can the 100GbE QSFP ports support lower speeds?
A: Yes, the QSFP ports support breakout configurations for 40GbE (QSFP+), 50GbE, 25GbE, and 10GbE optics, providing flexibility for mixed-speed deployments and migration scenarios.

Q: What are the typical use cases for the DCS-7280CR3A-32S-FLX-F?
A: This switch is designed for high-performance data center spine deployments, internet peering routers, content delivery networks (CDNs), high-bandwidth leaf switches, EVPN/VXLAN gateway roles, and large-scale Layer 3 routing environments requiring deep buffers and advanced telemetry.

Q: Does this switch support precision timing protocols?
A: Yes, the 7280R3A Series supports both IEEE 1588v2 Precision Time Protocol (PTP) and Synchronous Ethernet (SyncE) for applications requiring precise time synchronization, such as financial trading platforms and 5G fronthaul networks.

Q: What monitoring and telemetry features are available?
A: The switch includes Accelerated sFlow for wire-rate sampling, LANZ (Latency Analyzer) for microburst detection, DANZ (Data Analyzer) for advanced mirroring, Inband Network Telemetry (INT), and native integration with Arista CloudVision for network-wide visibility and automation.

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