Name: DCS-7280CR3A-72-R Arista 72 QSFP Rear to Front Air Switch Router
Brand: Arista
SKU: DCS-7280CR3A-72-R
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The Arista DCS-7280CR3A-72-R is a switch router equipped with 72 QSFP ports and designed for rear to front airflow. It fits into data center racks requiring specific cooling configurations and supports dense, high-throughput networking environments.

General Information
Brand	Arista
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Number of Ports	72-Ports
Port Type	100G QSFP28, QSFP / QSFP+, USB Console, Serial Console (RJ-45)
Port Speed	100G
POE Support	No
Switching Capacity	14.4 Tbps
Switch Forwarding Rate	28.125 Bpps
VLAN Support	Yes
Max VLANs Supported	1-4094
Stackable	No
Layer Support	Layer 3
Connector Type	100G QSFP28

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, OSPF, OSPFv3, BGP, IS-IS, VRRP, PIM-SM, IGMP, Policy-Based Routing (PBR)
Remote Protocols	Yes
Management Interfaces	CLI (Console/SSH),Web UI (HTTP/HTTPS),SNMP,eAPI (JSON-RPC),Serial Console (RJ-45),USB Console
Security Features	ACLs,802.1X,SSH,Role-Based Access Control (RBAC),MAC filtering
Management Type	In-band and Out-of-band
Remote Management Protocol	SNMP,SSH,Telnet,HTTP,HTTPS,REST (eAPI)
Routing Protocol	Static,OSPF,OSPFv3,BGP,IS-IS,VRRP,PIM-SM,IGMP,Policy-Based Routing (PBR)

Power & Cooling
Fans	Hot-swappable redundant fans (rear-to-front airflow)
Power Supply	Dual hot-swappable AC power supplies (redundant)

Physical Characteristics
Dimensions	1.73 x 17.5 x 20.0 in
Weight	3.00
Operating Temperature	0°C to 40°C (32°F to 104°F)

Miscellaneous
Eco Friendly	Yes
Assembly Required	No
Compliance Standards	RoHS, CE, FCC, UL
Compliant Standards	IEEE 802.3,IEEE 802.1Q,IEEE 802.1p,IEEE 802.1D,IEEE 802.3ae

Product Description
The Arista DCS-7280CR3A-72-R is a network switch router equipped with 72 QSFP ports, designed to deliver high-density connectivity in data centers and enterprise environments. This model features a rear to front airflow cooling configuration, making it suitable for specific rack and airflow management setups. Typically used by network engineers and IT professionals, this switch router supports large-scale networking applications demanding substantial port capacity and throughput. Key Features 72 QSFP ports providing dense network connectivity Rear to front air cooling for optimized thermal management Robust switching and routing capabilities ideal for data center use Compact design suitable for high-density rack deployment Manufactured by Arista, a recognized networking equipment provider This switch router is engineered to handle extensive networking workloads in environments where airflow configuration and port density are critical. It plays a central role in managing complex network traffic efficiently within enterprise and data center infrastructures.

Use Cases
The Arista DCS-7280CR3A-72-R is typically deployed in data centers and enterprise networks needing dense, high-capacity switching with rear to front air cooling. It supports environments where airflow direction is a design consideration and high port counts are necessary. How It's Used: Data center core or aggregation switching with rear to front cooling High-density 100GbE or 40GbE connectivity for server farms Enterprise network backbones requiring substantial port capacity Switch deployments in racks designed for rear to front airflow management Network environments that need compact, high-capacity hardware This switch router supports critical network infrastructure roles where airflow direction and port density impact both hardware placement and thermal management. It facilitates high-volume data traffic routing within structured network architectures.

FAQ's
What does QSFP stand for in this switch? QSFP stands for Quad Small Form-factor Pluggable, a compact, hot-pluggable transceiver used for data communication applications. What is the airflow direction of the DCS-7280CR3A-72-R? The switch is designed for rear to front airflow, meaning air is drawn in from the rear and expelled through the front. How many ports does this Arista switch have? This model includes 72 QSFP ports, providing high-density network connectivity. Where is the DCS-7280CR3A-72-R typically installed? It is generally installed in data center racks configured for rear to front airflow cooling setups. Who typically uses the Arista DCS-7280CR3A-72-R? Network engineers and IT professionals use this switch in data centers and enterprise networks requiring dense port capacity and specific airflow configurations. Does this switch support routing functions? Yes, the device includes both switching and routing capabilities suitable for complex network deployments.