• Arista dcs-7280cr3mk-32p4s-flx-f gray metal network switch with 32 100g ports and 4 400g osfp back side view
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Arista

Arista DCS-7280CR3MK-32P4S-FLX-F | 7280R3 32-Port 100G Switch, 4x 400G OSFP, MACsec, 256K Routes

DCS-7280CR3MK-32P4S-FLX-F

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Description

The Arista DCS-7280CR3MK-32P4S-FLX-F is a high-performance 1RU data center switch router delivering 4.8 Tbps of wire-speed throughput. Designed for cloud networking, content delivery, and service provider environments, it features 32x 100GbE QSFP28 ports and 4x 400GbE OSFP uplinks with line-rate MACsec encryption. With 8GB packet buffer, over 256K routes, and support for MPLS, VXLAN, and Segment Routing, this switch excels in large-scale leaf-spine architectures and data center interconnect applications requiring lossless forwarding and strong security.

Features

Layer 2 and Layer 3 wire-speed forwarding with full routing protocol support
- Virtual Output Queue (VOQ) architecture with 8GB deep buffers for lossless operation
- Line-rate MACsec, IPsec, and VXLANsec encryption using AES-256-GCM
- FlexRoute engine with over 256K routes for internet-scale routing and peering
- EVPN and VXLAN support for overlay networks and data center interconnect
- MPLS with LDP, RSVP-TE, Segment Routing, and BGP labeled unicast
- 512-way ECMP and Unequal Cost Multi-Path (UCMP) for advanced traffic engineering
- Advanced QoS with hierarchical scheduling, ingress policing, and traffic shaping
- Comprehensive network telemetry with sFlow, LANZ, DANZ, and PTP/SyncE precision timing
- Arista EOS with Zero Touch Provisioning, CloudVision integration, and full Linux shell access
- Dual redundant hot-swappable AC power supplies and fans for high availability
- Front-to-rear airflow optimized for efficient data center cooling

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

32x 100GbE QSFP28 ports (supports 100G, 50G, 40G, and breakout to 25G/10G)
- 4x 400GbE OSFP ports (backward compatible with 100G/200G optics)
- Switching capacity: 4.8 Tbps wire-speed, 2 billion packets per second
- Packet buffer: 8GB deep buffer with Virtual Output Queue (VOQ) architecture
- Routing table: Over 256K IPv4/IPv6 routes with FLX license
- MACsec and TunnelSec: Line-rate AES-256-GCM encryption on all ports
- Management: CLI, EOS API, SNMP, NETCONF, CloudVision integration
- Power: Dual redundant hot-swappable AC power supplies
- Airflow: Front-to-rear (F suffix)
- Form factor: 1RU rack-mountable, compact and energy-efficient design

FAQs

Q: What encryption capabilities does the DCS-7280CR3MK-32P4S-FLX-F support?
A: This model supports line-rate MACsec, IPsec, and VXLANsec encryption using AES-256-GCM. TunnelSec technology enables encrypted tunnels across layer 2, layer 3, and VXLAN overlays, ideal for secure data center interconnect and WAN deployments.

Q: Can the 400GbE OSFP ports be used for lower-speed connections?
A: Yes, the 400GbE OSFP ports are backward compatible and can be configured for 200GbE or 100GbE connections. The QSFP28 ports support flexible breakout configurations for 50G, 40G, 25G, and 10G connectivity.

Q: What routing protocols and scale does this switch support?
A: The FLX license provides over 256K IPv4/IPv6 routes, full BGP, OSPF, IS-IS, MPLS (LDP, RSVP-TE, Segment Routing), EVPN, VXLAN, and 512-way ECMP. It is designed for internet peering, service provider edge, and large-scale cloud data center fabrics.

Q: Is the switch suitable for lossless storage networks?
A: Absolutely. The 8GB deep buffer with VOQ architecture eliminates head-of-line blocking, making it ideal for IP storage, high-performance computing, and content delivery applications requiring lossless forwarding under heavy traffic loads.

Q: What high availability features are included?
A: The switch includes dual redundant hot-swappable AC power supplies, hot-swappable fans with N+1 redundancy, and Arista EOS support for stateful switchover and in-service software upgrades without impacting the data plane.

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