• Gray metal Arista DCS-7280QR-C72-F network switch with 72 ports and blue lights for high-speed 40G and 100G connections
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Arista

Arista DCS-7280QR-C72M-F | 7280R 72-Port 40G Switch, 6.4Tbps, 16GB Buffer

DCS-7280QR-C72M-F

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Description

The Arista DCS-7280QR-C72M-F is a high-density 2RU data center switch designed for cloud, content delivery, and high-performance compute environments. It delivers 72 ports of 40GbE QSFP+ connectivity with 16 ports supporting 100GbE, combined with 6.4 Tbps switching capacity and ultra-low 3.8 microsecond latency. Enhanced with expanded memory, SSD storage, and front-to-rear airflow, this switch is ideal for spine-leaf architectures and internet peering applications requiring deep packet buffers and internet-scale routing tables.

Features

Wire-speed Layer 2 and Layer 3 forwarding with non-blocking architecture
- FlexRoute engine for internet-scale routing with large routing table support
- Deep 16 GB packet buffer memory with Virtual Output Queueing (VOQ) for lossless forwarding
- VXLAN gateway, bridging, and routing for network virtualization
- BGP, OSPF, IS-IS, MPLS, Segment Routing, and EVPN support
- Up to 128-way ECMP for flexible and scalable leaf-spine designs
- Multi-Chassis Link Aggregation (MLAG) for active-active Layer 2 topologies
- Advanced Quality of Service with 8 priority queues per port
- Jumbo frame support up to 9216 bytes
- 1152 Link Aggregation Groups (LAGs) with up to 32 ports per LAG
- IEEE 1588v2 Precision Time Protocol (PTP) hardware support
- Arista LANZ for real-time latency and congestion monitoring
- Arista DANZ for traffic visibility, filtering, replication, and aggregation at wire speed
- Accelerated sFlow for network telemetry and flow analysis
- CloudVision integration for centralized management and automation
- Zero-Touch Provisioning (ZTP) for automated deployment
- Hot-swappable dual redundant power supplies and N+1 fan redundancy
- Stateful Fault Repair (SFR) and Smart System Upgrade (SSU) for continuous operations
- Full Linux access with Python, Bash, and C++ extensibility
- OpenFlow, OpenConfig, and gNMI support for programmable networking
- 802.1Q VLAN support (4096 VLANs)
- Rapid Spanning Tree (802.1w), Multiple Spanning Tree (802.1s), and RPVST+
- Advanced security with ACLs and policy-based routing
- VM Tracer integration for virtualized environment visibility
- Front-to-rear airflow design 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

Total Ports: 72 x QSFP+ (56 x 40GbE, 16 x 100GbE capable)
- Switching Capacity: 6.4 Tbps full-duplex
- Forwarding Rate: 2.88 billion packets per second (Bpps)
- Latency: 3.8 microseconds (store-and-forward)
- MAC Address Table: 768,000 entries
- System Memory: 8 GB DRAM, expandable to 32 GB (expanded memory model)
- Packet Buffer: 16 GB deep packet buffer memory
- CPU: Multi-core x86 processor
- Storage: Integrated SSD for enhanced storage and logging
- Routing Table: Internet-scale routing support with FlexRoute engine
- Layer 2/Layer 3: Wire-speed L2 and L3 forwarding with BGP, OSPF, VXLAN, MPLS, Segment Routing, EVPN
- ECMP: Up to 128-way Equal Cost Multi-Path routing
- Power Supplies: Dual 1+1 hot-swappable AC power supplies, 1900W each
- Airflow: Front-to-rear airflow (port side to fan side)
- Fans: Four hot-swappable fan modules with N+1 redundancy
- Management: CLI, Web UI, SNMP, eAPI, CloudVision, Zero-Touch Provisioning (ZTP)
- Monitoring: LANZ (Latency Analyzer), DANZ (Data Analyzer), sFlow, IEEE 1588v2 PTP, Advanced Event Management
- Form Factor: 2RU rack-mountable
- Dimensions: 48.3 x 8.9 x 56.3 cm (W x H x D)
- Weight: Approximately 21.5 kg
- Operating Temperature: 0°C to 40°C
- Storage Temperature: -40°C to 70°C
- Relative Humidity: 5% to 95% non-condensing
- Power Cables: Includes two C19-C20 power cables (2m)
- Operating System: Arista EOS (Extensible Operating System)

FAQs

Q: What is the difference between the DCS-7280QR-C72M-F and the standard DCS-7280QR-C72-F?
A: The DCS-7280QR-C72M-F includes expanded memory (up to 32 GB) and an integrated SSD for enhanced storage, logging, and advanced analytics capabilities. The standard model has 8 GB memory without the SSD option. Both models offer the same 72-port QSFP+ configuration with 6.4 Tbps capacity.

Q: What deployment scenarios is the DCS-7280QR-C72M-F best suited for?
A: This switch is ideal for data center spine-leaf architectures, high-performance compute (HPC) environments, cloud networking, internet peering applications, content delivery networks, and IP storage. Its deep buffers and internet-scale routing tables make it particularly well-suited for demanding east-west traffic patterns and internet peering.

Q: Does the DCS-7280QR-C72M-F support VXLAN and overlay networks?
A: Yes, the switch fully supports VXLAN gateway, bridging, and routing capabilities, along with EVPN and Segment Routing for modern overlay networks. It integrates with Arista VM Tracer and CloudVision for comprehensive virtualized data center deployments and orchestration.

Q: What advanced monitoring and telemetry features are included?
A: The switch includes Arista LANZ for real-time congestion and micro-burst monitoring, DANZ for traffic visibility at 40/100 Gbps, accelerated sFlow for network telemetry, IEEE 1588v2 PTP for precision timing, and Advanced Event Management (AEM). All features are integrated into Arista EOS for proactive network analysis.

Q: Is the DCS-7280QR-C72M-F compatible with multi-vendor environments?
A: Yes, the switch supports open standards including BGP, OSPF, MPLS, VXLAN, and standard protocols for multi-vendor interoperability. Arista EOS provides comprehensive Layer 2 and Layer 3 features with no proprietary lock-in, ensuring compatibility in heterogeneous network environments.

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