Arista DCS-7280CR3AK-32S-FLX-F | 7280R3A 32-Port 100G Switch, 2x 400G, FLX Licence

SKU:DCS-7280CR3AK-32S-FLX-F

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Description

The Arista 7280R3A is a 1RU fixed data centre switch router built for spine and leaf roles in large-scale layer 2 and layer 3 cloud designs, enterprise data centres and service provider networks. This 7280CR3AK-32S variant adds large route scale and TunnelSec encryption on all ports, which suits secure Internet peering, carrier edge VPN services and EVPN deployments for 5G/MEC, CIN and metro.

The switch provides 30 x QSFP100/200 ports and 2 x QSFP200/QSFP-DD ports, delivering 3.6 Tbps of throughput (7.2 Tbps full duplex) and 1.35 Bpps with latency from 3.8 us. Breakouts support up to 2 x 400G, 18 x 200G, 36 x 100G, 56 x 50G or 56 x 25/10G interfaces. It carries 4 GB of packet buffer, 64 GB of system memory and a 120 GB SSD. This SKU is the front-to-rear airflow model with 2 x hot-swap AC power supplies in 1+1 redundancy and 3 hot-swap fans in N+1, bundled with the FLX routing licence for full routing up to 2M routes, EVPN, VXLAN, SR and advanced MPLS.

The 400G ports accept 400G DAC, AOC, SR8, DR4, XDR4 and FR4 optics as well as 200G optics, and the QSFP100 ports accept a wide range of 100G and 40G optics and DACs. EOS 4.32.1 or later is required.

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

Features

- TunnelSec encryption on all ports, with MACsec, IPsec and VXLANsec support
- Large route scale with over 5M IPv4 routes
- Algorithmic ACLs for 400K+ rules
- Virtual Output Queues per port to eliminate head-of-line blocking
- EVPN-VXLAN, LANZ microburst detection and Accelerated sFlow
- PTP and SyncE precision timing
- Open programmable APIs (JSON-RPC, NETCONF) and Zero Touch Provisioning
- Single 64-bit EOS binary image with redundant hot-swap power and fans

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: 30 x QSFP100/200 and 2 x QSFP200/QSFP-DD
- Maximum 400G ports: 2
- Maximum 200G ports: 18
- Maximum 100G ports: 36
- Maximum 50G ports: 56
- Maximum 25/10G ports: 56
- Encryption: TunnelSec on all ports
- Throughput: 3.6 Tbps (7.2 Tbps full duplex)
- Packets per second: 1.35 Bpps
- Latency: from 3.8 us
- CPU: eight-core x86
- System memory: 64 GB
- Packet buffer memory: 4 GB
- SSD storage: 120 GB
- Precision timing: PTP and SyncE with OCXO and PPS/10M/ToD inputs
- Management: 1 x 100/1000 port, 1 x RJ-45 RS-232 serial, 1 x USB
- Power supplies: 2 x hot-swap AC, 1+1 redundant (PWR-1512-AC, 1500 W)
- Fans: 3 hot-swap, N+1 redundant (FAN-7011H)
- Airflow: front to rear
- Power draw: 302 W typical, 481 W maximum (excluding transceivers)
- Size (W x H x D): 43.99 x 4.37 x 56.57 cm, 1RU
- Weight: 12.81 kg
- Operating temperature: 0 to 40 C
- Minimum EOS: 4.32.1

FAQs

Q: Does this switch need a software licence?
A: It needs an Arista EOS feature licence. This -FLX-F SKU is the bundle that includes the FLX licence, which provides full routing up to 2M routes, EVPN, VXLAN, SR and advanced MPLS.

Q: What power supplies does this model use?
A: It has 2 x hot-swap AC power supplies in 1+1 redundancy, using the PWR-1512-AC (1500 W, 200-240 VAC, 50/60 Hz). Typical draw is 302 W and maximum 481 W, excluding transceivers.

Q: Which optics do the 400G and 100G ports support?
A: The 400G QSFP-DD/QSFP200 ports support 400G DAC, AOC, SR8, DR4, XDR4 and FR4 plus 200G optics. The QSFP100 ports support 100G SR4, LR4, CWDM4, PSM4, AOC and CR4 and 40G QSFP+ optics and DACs, with breakouts to 50G, 25G and 10G.

Q: What airflow direction does this SKU have?
A: This SKU is front-to-rear airflow with 3 hot-swap N+1 fans (FAN-7011H).

Q: What is the difference between the 7280CR3AK and other 7280R3A models?
A: The 7280CR3AK variant adds large route scale (over 5M IPv4 routes) and TunnelSec encryption on all ports.