• Stack of white arista dcs-7280cr3-96 server racks with ventilation slots and front panel indicators for 9.6tbps switch
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Arista

Arista DCS-7280CR3-96 | 7280R3 96-Port 100G QSFP28 Switch, 9.6Tbps

DCS-7280CR3-96

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Description

The Arista DCS-7280CR3-96 is a high-density 2RU data center switch router delivering 96 ports of 100G QSFP28 connectivity with 9.6 Tbps non-blocking throughput. Designed for large-scale data centers, cloud networks, and service providers, this switch features deep buffer VOQ architecture for lossless forwarding, FlexRoute support for over 2 million IPv4 routes, and comprehensive Layer 2/3 capabilities including VXLAN, EVPN, MPLS, and advanced routing protocols. Ideal for spine/leaf architectures, internet peering, data center interconnect, and high-performance IP storage networks.

Features

Virtual Output Queue (VOQ) architecture eliminates head-of-line blocking for lossless forwarding
- Wire-speed Layer 2 and Layer 3 switching with full line-rate performance
- FlexRoute engine with over 2 million IPv4/IPv6 route capacity
- VXLAN hardware VTEP with EVPN control plane for overlay networking
- MPLS support including LDP, RSVP-TE, and Segment Routing
- Accelerated sFlow for hardware-based flow sampling at line rate
- Arista LANZ (Latency Analyzer) for congestion monitoring and microburst detection
- Algorithmic ACLs for flexible, high-scale access control
- IEEE 802.1Q VLAN support with 4K VLANs
- Link aggregation (LACP) with 512-way ECMP
- IPv4 and IPv6 multicast (PIM-SM, PIM-SSM)
- Quality of Service (QoS) with 8 hardware queues per port
- Precision Time Protocol (PTP) IEEE 1588v2 support
- In-band Network Telemetry for flow and packet forensics
- Arista EOS operating system with stateful process separation
- Zero Touch Provisioning (ZTP) and CloudVision integration
- Hot-swappable redundant power supplies and fan trays
- REST API and Python scripting for automation
- Advanced security features including ACLs, MACsec ready hardware

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

96 x 100GbE QSFP28 ports (supports breakout to 192 x 50G)
- Switching capacity: 9.6 Tbps full-duplex, non-blocking
- Forwarding rate: 4 billion packets per second (Bpps)
- Packet buffer: 16 GB deep buffer with VOQ architecture
- Latency: 3.8 microseconds (store-and-forward)
- Routing scale: Over 2M IPv4 routes via FlexRoute (non-K variant)
- ECMP: 512-way equal-cost multi-path load balancing
- Memory: 64 GB DRAM, 120 GB SSD
- Form factor: 2RU rackmount, 48.3 x 8.8 x 76.1 cm (19 x 3.5 x 30 inches)
- Weight: 23.6 kg (52 lbs)
- Power consumption: 750W typical
- Power supplies: Dual hot-swappable 2400W AC PSUs (PWR-2411-AC-RED)
- Cooling: Hot-swappable fan trays (FAN-7012H-RED), front-to-rear airflow
- Operating temperature: 0°C to 40°C
- Management: Arista EOS, CLI, REST API, Zero Touch Provisioning (ZTP)
- Certifications: RoHS compliant

FAQs

Q: What is the difference between the DCS-7280CR3-96 and DCS-7280CR3K-96?
A: The DCS-7280CR3-96 is the standard variant supporting over 2 million IPv4 routes via FlexRoute, while the DCS-7280CR3K-96 (K variant) supports up to 5 million routes with enhanced routing table capacity for internet peering and carrier-grade deployments.

Q: Can the QSFP28 ports be broken out to lower speeds?
A: Yes, each 100G QSFP28 port can be broken out to support 4x25G or 2x50G configurations, providing flexible deployment options for mixed-speed environments. The switch supports up to 192 x 50G ports when fully broken out.

Q: What routing protocols does the DCS-7280CR3-96 support?
A: The switch supports comprehensive Layer 3 routing including BGP (with RPKI), OSPF, IS-IS, MPLS (LDP, RSVP-TE, BGP LU), Segment Routing Traffic Engineering (SR-TE), EVPN, and VXLAN for modern data center and service provider environments.

Q: Is this switch suitable for lossless Ethernet and storage networks?
A: Yes, the DCS-7280CR3-96 features a 16 GB deep buffer with Virtual Output Queue (VOQ) architecture that eliminates head-of-line blocking, making it ideal for lossless forwarding, IP storage, data analytics, and handling TCP incast scenarios without packet drops.

Q: What airflow options are available for the DCS-7280CR3-96?
A: The base SKU DCS-7280CR3-96 has configurable fans and PSUs. The -F suffix (DCS-7280CR3-96-F) indicates front-to-rear airflow, while the -R suffix indicates rear-to-front airflow for hot/cold aisle data center deployments.

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