• Stack of four silver-colored arista dcs-7280sr3am-48yc8-flx-f 48-port 50g network switches with ventilation grilles
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Arista

Arista DCS-7280SR3AM-48YC8-FLX-F | 7280R3A 48-Port 50G Switch, 6x 200G QSFP-DD, FLX

DCS-7280SR3AM-48YC8-FLX-F

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Description

The Arista DCS-7280SR3AM-48YC8-FLX-F is a high-performance data center switch router from the 7280R3A Series, delivering 48 ports of 50GbE SFP and 6 ports of 200G QSFP with TunnelSec encryption capabilities. With 3.6 Tbps switching capacity, 4GB deep packet buffers, and support for advanced layer 2/3 features including EVPN-VXLAN, MPLS, and segment routing, this switch is ideal for cloud data centers, spine-leaf architectures, and secure DCI deployments. The FLX license tier provides full routing up to 256K routes with advanced encryption using AES-256-GCM for MACsec, IPsec, and VXLANsec, making it suitable for enterprises requiring wire-speed strong encryption across WAN and DCI links.

Features

TunnelSec line-rate encryption with MACsec, IPsec, and VXLANsec for secure layer 2/3 connectivity
- FlexRoute engine with flexible forwarding profiles for diverse network roles
- Deep 4GB packet buffers for lossless forwarding and burst absorption
- Advanced layer 3 routing: BGP, OSPF, ISIS, PIM, VRRP with ECMP and BFD
- VXLAN routing and bridging with EVPN control plane for overlay networks
- MPLS and Segment Routing for service provider and WAN edge applications
- Algorithmic ACLs for scalable policy-based forwarding and security
- Accelerated sFlow and IPFIX for granular traffic visibility and telemetry
- Inband Network Telemetry (INT) for real-time packet and flow forensics
- Hot-swappable redundant power supplies and fans for high availability
- Zero-touch provisioning (ZTP) and automated configuration management
- Advanced QoS with 8 hardware queues and flexible scheduling
- IEEE 1588v2 PTP and Synchronous Ethernet for precision timing
- SNMP, TACACS+, RADIUS, and 802.1X for comprehensive security and AAA
- EOS native streaming with OpenConfig and YANG models for automation

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

48x 50GbE SFP ports supporting 1G/10G/25G/50G with flexible optics
- 6x 200G QSFP-DD ports for high-speed uplinks and spine connectivity
- 3.6 Tbps total switching capacity with wire-speed performance
- 4GB deep packet buffer for burst absorption and lossless forwarding
- Up to 256K IPv4 routes with FLX license tier, EVPN, VXLAN, SR, base MPLS LSR
- TunnelSec encryption: MACsec, IPsec, VXLANsec with AES-256-GCM at line rate
- 384K MAC address table capacity
- 1U rackmount form factor, front-to-rear airflow
- Dual hot-swappable AC power supplies
- Arista EOS operating system with advanced automation, telemetry, and programmability
- Management: CLI, REST API, SNMP, NetDB, CloudVision Portal integration
- Standards-based protocols: BGP, OSPF, ISIS, PIM, MPLS, Segment Routing, VXLAN

FAQs

Q: What encryption capabilities does the DCS-7280SR3AM-48YC8-FLX-F support?
A: This switch supports Arista TunnelSec technology with line-rate AES-256-GCM encryption for MACsec (IEEE 802.1AE), IPsec (RFC 4303), and VXLANsec. This allows flexible encryption at layer 2, layer 3, or overlay networks from 1G to 200G speeds without performance penalty. TunnelSec requires an enhanced security encryption license to enable these features.

Q: What is the difference between the FLX and standard license tiers?
A: The FLX license tier provides full routing capabilities up to 256K routes with support for EVPN, VXLAN, segment routing, and base MPLS LSR without traffic engineering. It enables advanced data center and cloud networking features. Standard licensing provides basic layer 2/3 functionality, while FLX-K (large route) variants support up to 2M routes with advanced MPLS LER/LSR capabilities.

Q: What are the typical deployment scenarios for this switch?
A: The DCS-7280SR3AM-48YC8-FLX-F is designed for data center spine or aggregation roles, secure DCI (data center interconnect) deployments requiring encryption, high-performance leaf switches in 25G/50G/100G fabrics, internet peering applications, and cloud networking with EVPN-VXLAN overlays. The deep buffers also suit IP storage and content delivery networks requiring lossless forwarding.

Q: Is this switch compatible with Arista CloudVision management?
A: Yes, this switch runs Arista EOS and is fully compatible with CloudVision Portal for centralized network-wide provisioning, telemetry, and automation. It supports zero-touch provisioning (ZTP), streaming telemetry, LANZ for latency monitoring, and programmable APIs for integration with orchestration platforms.

Q: What optics and breakout options are supported?
A: The 48 SFP ports support 1G, 10G, 25G, and 50G transceivers with flexible optics compatibility. The 6 QSFP-DD ports support 200G optics and can be configured for 100G QSFP28 operation or breakout configurations. Arista supports a wide range of SR, LR, ER, ZR, AOC, and DAC options across all speeds. Refer to Arista's transceiver compatibility matrix for specific module support and EOS version requirements.

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