Arista DCS-7280CR3AK-24D12-R | 7280R3A 24x100G + 12x400G Switch, Large Routes, TunnelSec

SKU:DCS-7280CR3AK-24D12-R

Stock Status: Enquire

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Description

The 7280R3A is a fixed-configuration 1RU data centre switch router from Arista's 7280R3A family, built for large-scale Layer 2 and Layer 3 cloud designs, enterprise data centres, service provider networks, secure internet peering and carrier edge VPN services. This R3AK model adds large route scale and TunnelSec encryption.

It provides 24 x QSFP100 ports and 12 x QSFP-DD ports for 400G, with 7.2 Tbps (14.4 Tbps full duplex) of throughput, 2.7 Bpps of packet forwarding, latency from 3.8 us and an 8 GB packet buffer. The R3AK model supports over 5M IPv4 routes, and TunnelSec delivers wire-speed MACsec, IPsec and VXLANsec encryption on all ports. This SKU is the rear-to-front airflow version with 2 x hot-swap AC power supplies in a 1+1 arrangement, plus three hot-swap fans in an N+1 arrangement. It runs Arista EOS from release 4.31.1 and falls in EOS Feature License Group 4.

The QSFP100 ports accept 100G QSFP optics and 40G QSFP+, while the QSFP-DD ports support 400G and breakout to 25G, 50G and 100G. Spare parts include fan module FAN-7011H and power supplies PWR-1511-AC.

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

Features

- Arista EOS single 64-bit binary image with stateful fault repair and live software patching
- TunnelSec wire-speed encryption (MACsec, IPsec, VXLANsec) with AES-256-GCM on all ports
- Large-scale routing with over 5M IPv4 routes and up to 384K MAC addresses
- Virtual Output Queues per port to eliminate head-of-line blocking
- Deep packet buffers for bursty data centre traffic
- PTP (IEEE 1588) and SyncE precision timing
- CloudVision, EVPN-VXLAN, LANZ microburst detection, Zero Touch Provisioning and Accelerated sFlow
- Open programmable APIs including JSON-RPC and NETCONF

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
- Maximum total interfaces: 116
- Throughput: 7.2 Tbps (14.4 Tbps full duplex)
- Packet forwarding: 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
- Management ports: 1 x 100/1000, 1 x RS-232 serial (RJ-45), 1 x USB
- Power supplies: 2 x hot-swap AC (1+1 redundant), PWR-1511-AC
- Fans: 3 x hot-swap (N+1 redundant), FAN-7011H
- Airflow: rear to front
- Typical / maximum power draw: 346 W / 845 W
- Dimensions (W x H x D): 43.99 x 4.37 x 59.2 cm
- Weight: 14.79 kg
- Rack units: 1RU
- Minimum EOS: 4.31.1
- Operating temperature: 0 to 40 C
- Storage temperature: -40 to 70 C
- Relative humidity: 5 to 90%
- Operating altitude: 0 to 3,000 m

FAQs

Q: What does the R3AK model add over other 7280R3A switches?
A: The R3AK model provides large route scale of over 5M IPv4 routes and TunnelSec encryption on all ports, which are the attributes that separate it from other 7280R3A variants.

Q: Which airflow direction does this model use?
A: This SKU uses rear-to-front airflow with 2 x AC power supplies. Check this against your rack's hot and cold aisle layout before ordering.

Q: What optics do the ports accept?
A: The QSFP100 ports accept 100G QSFP optics and 40G QSFP+. The QSFP-DD ports support 400G and breakout to 25G, 50G and 100G.

Q: Which software release does it need?
A: It runs Arista EOS and requires release 4.31.1 or later. This SKU falls in EOS Feature License Group 4.

Q: Which power supplies and fans does it use?
A: It uses PWR-1511-AC power supplies in a 1+1 redundant arrangement and FAN-7011H fan modules in an N+1 arrangement, all hot-swappable.