Arista DCS-7280CR3AM-24D12-FLX-F | 7280R3A 24x100G + 12x400G Switch, MACsec, FLX, 2x AC

SKU:DCS-7280CR3AM-24D12-FLX-F

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Description

The Arista 7280CR3AM-24D12-FLX-F is a fixed-configuration 1RU switch router from the 7280R3A family, built for large-scale cloud and enterprise data centres and for service provider and WAN routing roles that need dense 100G and 400G, large routing tables and EVPN/VXLAN with MPLS or segment routing.

It provides 24 x 100GbE QSFP100 ports and 12 x 400GbE QSFP-DD ports, with up to 116 interfaces in breakout configurations. Throughput is 7.2 Tbps (14.4 Tbps FDX) with 2.7 Bpps forwarding, latency from 3.8 us and 8 GB of packet buffer. The M model adds encryption on all ports, covering MACsec, IPsec and VXLANsec, and the FLX licence tier enables full routing, EVPN, VXLAN, segment routing and advanced MPLS with traffic engineering.

This variant uses front-to-rear airflow and two hot-swap AC power supplies in a 1+1 arrangement, with three N+1 hot-swap fans. It supports 400G QSFP-DD optics and cables as well as 100G QSFP100 modules, with breakout options such as 4 x 25G and 2 x 50G, and requires EOS 4.31.1 or later.

Enquire with XS Network Tech for new or used pricing and availability.

Features

- Runs Arista EOS, a single 64-bit binary image with a modular network OS and Linux shell access
- FlexRoute engine with large routing table scale, plus EVPN, VXLAN, segment routing and advanced MPLS (LER/LSR) with traffic engineering under the FLX licence
- MACsec (IEEE 802.1AE), IPsec and VXLANsec encryption on all ports
- PTP (IEEE 1588) and SyncE precision timing with OCXO
- 400G ZR/ZR+ ecosystem support across the 7280R3A series
- Hot-swappable 1+1 power supplies and N+1 fans for high availability
- LANZ latency analysis, microburst detection, ZTP, CloudVision management, eAPI, NETCONF, gNMI and OpenConfig
- Deep buffering with virtual output queueing, plus PFC, ETS and DCBX QoS

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

- Ports: 24 x QSFP100, 12 x QSFP-DD
- Maximum 400G ports: 12
- Maximum 100G ports: 72
- Maximum 50G ports: 116
- Maximum 40G ports (using QSFP+): 36
- Maximum 25/10G ports: 116
- Encryption: all ports (7280CR3AM model)
- Throughput (FDX): 7.2 (14.4) Tbps
- Packet forwarding rate: 2.7 Bpps
- Latency: from 3.8 us
- CPU: eight-core x86
- System memory: 64 GB
- Packet buffer memory: 8 GB
- SSD storage: 480 GB
- Precision timing: PTP and SyncE with OCXO and PPS/10M/ToD inputs
- Management port: 1 x 100/1000
- Serial console: 1 x RS-232 (RJ-45)
- USB ports: 1
- Power supplies: 2 x hot-swap AC (PWR-1511-AC), 1+1 redundant
- Fans: 3 x hot-swap, N+1 redundant (FAN-7011H)
- Airflow: front to rear
- Typical / maximum power draw: 346 W / 845 W
- Dimensions (W x H x D) including handles: 43.99 x 4.37 x 59.2 cm
- Rack units: 1 U
- Weight: 14.79 kg
- Operating temperature: 0 to 40 C
- Minimum EOS: 4.31.1

FAQs

Q: What does the FLX licence tier provide?
A: The FLX tier enables full routing with up to 2M routes, more than 24K ACL entries, EVPN, VXLAN, segment routing and advanced MPLS LER/LSR with traffic engineering and link/node protection.

Q: Which ports does the encryption cover?
A: The 7280CR3AM model provides encryption on all ports, supporting MACsec (IEEE 802.1AE), IPsec and VXLANsec.

Q: What power supplies and airflow does this variant use?
A: It uses two hot-swap AC power supplies (PWR-1511-AC) in a 1+1 redundant arrangement, with front-to-rear airflow and an N+1 three-fan tray (FAN-7011H).

Q: What optics and speeds does it support?
A: The 400G QSFP-DD ports support 400G optics and cables such as SR8, DR4, XDR4, FR4 and LR4, and the QSFP100 ports support 100G. Breakout options include 4 x 25G and 2 x 50G.

Q: What EOS version does it need?
A: It requires Arista EOS 4.31.1 or later, with feature licences in Group 4.