• Gray metal arista dcs-7280pr3-24 server rack with multiple slots for 7280r3 24-port 400g switch network equipment
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Arista

Arista DCS-7280PR3-24 | 7280R3 24-Port 400G Switch, 9.6Tbps, 16GB Buffer

DCS-7280PR3-24

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Description

The Arista DCS-7280PR3-24 is a high-performance 1RU data center switch router designed for cloud, content delivery, and service provider networks. Delivering 9.6 Tbps wire-speed performance with 16GB dynamic deep buffer, it supports 24x 400GbE OSFP ports with flexible breakout capability up to 96x 100G. Advanced features include FlexRoute engine for internet-scale routing, MACsec encryption, algorithmic ACLs, and Arista EOS for comprehensive L2/L3 functionality and network automation.

Features

Wire-speed L2 and L3 forwarding with non-blocking architecture
- Virtual Output Queuing (VOQ) per port eliminates head-of-line blocking
- FlexRoute engine for internet-scale routing (1.3M+ IPv4, 750K+ IPv6 routes)
- Algorithmic ACLs for scalable policy control and network telemetry
- Accelerated sFlow and IPFIX for line-rate flow sampling and monitoring
- Line-rate MACsec, IPsec, and VXLANsec encryption (AES-256-GCM)
- EVPN-VXLAN, MPLS, and Segment Routing for network virtualization
- IEEE 1588 PTPv2 and Synchronous Ethernet (SyncE) for precision timing
- Multi-Chassis Link Aggregation (MLAG) for Layer 2 high availability
- Equal Cost Multi-Path (ECMP) routing with up to 512-way load balancing
- Flexible forwarding table profiles (Balanced, L3, or custom allocation)
- Hot-swappable power supplies and fan modules for continuous operation
- Zero Touch Provisioning (ZTP) and CloudVision integration
- Arista EOS with state sharing architecture and in-memory database
- Advanced QoS with classification, policing, shaping, and hierarchical queuing
- DANZ (Data Analyzer) and LANZ (Latency Analyzer) for visibility
- Comprehensive routing protocols: BGP, OSPF, IS-IS, VRRP, BFD
- MPLS LDP, RSVP-TE, and Segment Routing with TI-LFA and FRR
- Open APIs via JSON-RPC, NETCONF, and RESTful interfaces

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

24x 400GbE OSFP ports (supports flexible breakout to 96x 100G, 192x 50G, or 192x 25G)
- Switching capacity: 9.6 Tbps wire-speed, non-blocking
- Forwarding rate: 4 billion packets per second
- Dynamic deep buffer: 16GB for lossless forwarding with Virtual Output Queues
- MAC address table: up to 768,000 entries (Balanced profile)
- IPv4 routes: up to 1.3 million with FlexRoute engine
- Latency: 3.8 microseconds port-to-port
- Form factor: 1RU rackmount, 48.3 x 4.4 x 58.2 cm (19 x 1.75 x 23.6 inches)
- Weight: 12.7 kg (28.0 lbs)
- Power: Dual hot-swappable 1500W AC power supplies (redundant)
- Cooling: Hot-swappable fan modules with configurable airflow direction
- Management: CLI, Web GUI, JSON-RPC, NETCONF, SNMP, Arista EOS

FAQs

Q: What breakout configurations are supported on the 400G OSFP ports?
A: Each 400G OSFP port supports flexible breakout configurations: 1x400G, 2x200G, 4x100G, 8x50G, or 8x25G per port using compatible optics or DAC/AOC cables. This allows the switch to scale from 24 ports up to 192 logical interfaces depending on deployment requirements.

Q: What is the FlexRoute engine and what routing scale does it support?
A: The FlexRoute engine is Arista's patented algorithmic routing table engine that provides internet-scale Layer 3 forwarding in hardware. The DCS-7280PR3-24 supports up to 1.3 million IPv4 routes, making it ideal for internet peering, data center interconnect, and carrier edge deployments.

Q: Does this switch support encryption and security features?
A: Yes, the 7280R3 Series supports line-rate AES-256 MACsec encryption, IPsec, and algorithmic ACLs with up to 24K TCAM entries. Additional security features include uRPF, CoPP, AAA, and 802.1X authentication, all at wire speed without performance impact.

Q: What licensing is required for advanced routing features?
A: The DCS-7280PR3-24 requires appropriate Arista EOS licensing. The FLX license enables full routing up to 2M routes, advanced MPLS LER/LSR, EVPN, VXLAN, and Segment Routing. The monitoring and automation license enables ZTP, LANZ, TapAgg, API access, and time-stamping features.

Q: What deployment scenarios is the 7280PR3-24 optimized for?
A: The 7280PR3-24 is designed for high-bandwidth spine and leaf architectures, internet peering, content delivery networks, data center interconnect, IP storage fabrics, and service provider edge applications. The 16GB deep buffer ensures lossless forwarding for bursty traffic patterns common in storage and analytics workloads.

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