• Silver-colored arista dcs-7020r4-48y-8qc-f server rack with green led indicators and red fan covers on the back side
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Arista

Arista DCS-7020R4-48Y-8QC-F | 7020R4 48-Port 25G Switch, 8x 100G QSFP

DCS-7020R4-48Y-8QC-F

Stock Status: Enquire

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Description

The Arista DCS-7020R4-48Y-8QC-F is a high-performance data center switch router engineered for spine, leaf, and aggregation deployments. Featuring 48 ports of 25GbE SFP28 and 8 ports of 100GbE QSFP, it delivers 2 Tbps non-blocking wire-speed throughput with deep 4GB Virtual Output Queueing buffers for deterministic, lossless forwarding. Running Arista EOS, it supports advanced Layer 2 and Layer 3 routing, EVPN/VXLAN overlay networking, MPLS, Segment Routing, and comprehensive streaming telemetry via CloudVision integration.

Features

Non-blocking 2 Tbps switching fabric with Virtual Output Queueing for lossless forwarding
- Deep 4GB packet buffer eliminates head-of-line blocking in high-congestion environments
- FlexRoute engine supports Internet-scale routing tables up to 2.5M routes with flexible forwarding profiles
- Comprehensive Layer 2 and Layer 3 feature set including BGP, OSPF, ISIS, MPLS, and Segment Routing
- EVPN/VXLAN overlay networking with gateway, bridging, and routing for modern data center fabrics
- Multi-Chassis Link Aggregation (MLAG) for active-active Layer 2 redundancy
- Equal Cost Multi-Path (ECMP) routing with up to 128-way load balancing
- TunnelSec wire-speed encryption at Layer 2 and Layer 3
- Precision Timing Protocol (PTP) and Synchronous Ethernet (SyncE) support
- Accelerated sFlow and DANZ advanced mirroring for comprehensive network visibility
- LANZ (Latency Analyzer) for microburst detection and congestion monitoring
- Zero Touch Provisioning (ZTP) for automated deployment and configuration
- Advanced Event Management (AEM) for customizable alerts and automated actions
- CloudVision integration for streaming telemetry and network-wide automation
- Programmable via eAPI, OpenConfig, and gNMI for DevOps and SDN workflows
- Redundant hot-swappable AC power supplies and fans for high availability

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

48 x 25GbE SFP28 ports (supporting 1G/10G/25G)
- 8 x 100GbE QSFP ports
- Switching capacity: 2 Tbps wire-speed
- Packet buffer: 4GB with Virtual Output Queueing (VOQ) architecture
- System memory: 16GB RAM
- Front-to-rear airflow (port-side intake)
- Dual redundant AC power supplies (1+1)
- Operating system: Arista EOS with FlexRoute engine
- Supports up to 2.5M routing table scale
- Routing protocols: BGP, OSPF, ISIS, MPLS, Segment Routing, EVPN/VXLAN
- Management: CLI, Web GUI, SNMP, eAPI, OpenConfig, gNMI, CloudVision
- Features: ECMP, MLAG, PTP timing, Accelerated sFlow, TunnelSec encryption
- Form factor: 1RU fixed configuration
- Standards compliance: IEEE 802.1Q, 802.3ad, 802.1p, IPv4/IPv6

FAQs

Q: What is the difference between the DCS-7020R4-48Y-8QC-F and the -R variant?
A: The F suffix designates front-to-rear airflow, where cool air enters from the port side and exhausts through the fan side. This is the standard configuration for hot-aisle/cold-aisle data center deployments where cold air is delivered from the front of the rack.

Q: Does this model support hardware encryption?
A: This base model supports TunnelSec wire-speed encryption. For enhanced hardware-accelerated MACsec encryption, the DCS-7020R4M variant (with M designation) is required.

Q: What deployment scenarios is the 7020R4-48Y-8QC suitable for?
A: Ideal for data center leaf-spine architectures, aggregation layers, service provider access networks, and high-performance edge applications. The 48 x 25GbE ports provide high-density server connectivity while 8 x 100GbE uplinks deliver scalable north-south bandwidth.

Q: Does this switch support EVPN/VXLAN overlay networking?
A: Yes. Running Arista EOS, the 7020R4 fully supports EVPN/VXLAN for modern software-defined data center fabrics, multi-tenancy, and Layer 2 extension across Layer 3 networks.

Q: Can this switch be managed with Arista CloudVision?
A: Yes. The 7020R4 integrates natively with Arista CloudVision for centralized provisioning, streaming telemetry, change management, and network-wide visibility, supporting both on-premise and cloud-based management workflows.

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