Arista DCS-7280SR3AM-48YC8-FLX-F | 7280R3A 48-Port 50G Switch, TunnelSec, FLX, Front-to-Rear

SKU:DCS-7280SR3AM-48YC8-FLX-F

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Description

The Arista 7280R3A is a 1RU fixed data centre and service provider switch router built for leaf and spine roles, enterprise data centres, carrier edge and secure internet peering. This TunnelSec model adds wire-speed MACsec, IPsec and VXLANsec encryption on every port, which suits encrypted data centre interconnect and EVPN services for 5G, MEC and metro deployments.

The 48 SFP50 ports run at 10, 25 or 50G, backed by 4 x QSFP200 and 4 x QSFP100 uplink ports for up to 6 x 200G or 8 x 100G. It forwards 3.6 Tbps (7.2 Tbps full duplex) at 1.35 Bpps with latency from 3.8 us, and carries 4 GB of packet buffer for lossless forwarding. This variant is the front-to-rear airflow version with two hot-swap AC power supplies and three hot-swap fans, and it runs Arista EOS with the FLX routing licence bundle.

The QSFP200 ports accept 200G optics and DACs plus 100G, 50G and 25G breakouts, while the SFP50 ports take 10, 25 and 50G SFP optics and cables. The switch is managed through Arista CloudVision and open APIs such as JSON-RPC and NETCONF.

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

Features

- TunnelSec line-rate AES-256-GCM encryption using MACsec (IEEE 802.1AE), IPsec (RFC 4303) and VXLANsec
- Virtual Output Queues on every port to eliminate head-of-line blocking
- Deep packet buffers for lossless forwarding
- PTP (IEEE 1588) and Synchronous Ethernet precision timing
- LANZ microburst detection and Accelerated sFlow
- EVPN-VXLAN, MPLS and segment routing support
- Open APIs (JSON-RPC, NETCONF), Zero Touch Provisioning and CloudVision integration
- Single 64-bit EOS binary image with full Linux shell access
- Redundant hot-swap power supplies and fans, designed for NEBS

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: 48 x SFP50 (10/25/50G), 4 x QSFP200, 4 x QSFP100
- Maximum 200G ports: 6
- Maximum 100G ports: 8
- Maximum 50/25/10G ports: 48
- Maximum 40G ports (using QSFP+): 8
- Maximum total interfaces: 56
- Encryption: TunnelSec on all ports (MACsec, IPsec, VXLANsec)
- Throughput: 3.6 Tbps (7.2 Tbps full duplex)
- Packets per second: 1.35 Bpps
- Latency: from 3.8 us
- Packet buffer: 4 GB
- CPU: eight-core x86
- System memory: 64 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 port, 1 x USB port
- Power supplies: 2 x hot-swap 1000 W (1+1 redundant), PWR-1011-AC or PWR-1011-DC
- Fans: 3 x hot-swap (N+1), FAN-7011H, front-to-rear airflow
- Power draw: 290 W typical, 391 W maximum, excluding transceivers
- Size (WxHxD): 43.99 x 4.37 x 50.31 cm, 1RU
- Weight: 11.23 kg
- Operating temperature: 0 to 40 C
- Storage temperature: -40 to 70 C
- Relative humidity: 5 to 90%
- Minimum EOS: 4.32.1

FAQs

Q: Does this switch need a licence?
A: It runs Arista EOS, version 4.32.1 or later, and this SKU is the FLX routing licence variant. TunnelSec encryption is an EOS licensed feature that needs a licence file to enable.

Q: What power supplies does it use?
A: It uses two hot-swap 1000 W power supplies in a 1+1 redundant arrangement. This AC variant uses the PWR-1011-AC, which accepts 100-240 VAC, and typical draw is 290 W.

Q: Which optics and cables work with this switch?
A: The QSFP200 ports accept 200G optics and DACs such as 200GBASE-SR4, FR4 and CR4, plus 100G, 50G and 25G breakouts. The QSFP100 ports accept 100GBASE-SR4, XSR4, SWDM4, SRBD, LR and LR4, and the SFP50 ports take 10, 25 and 50G SFP optics and cables.

Q: What airflow direction does this model use?
A: This SKU is front-to-rear airflow, supplied with the FAN-7011H fan tray. Spare fan trays and power supplies are available as hot-swap parts.

Q: How does it differ from other 7280R3A variants?
A: This variant adds TunnelSec wire-speed encryption on all ports, along with the FLX routing licence, front-to-rear airflow and dual AC power supplies.