Name: DCS-7280CR3AK-48D6-R Arista 48x100GbE QSFP 6xQSFP-DD Switch Router
Brand: Arista
SKU: DCS-7280CR3AK-48D6-R
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (130 reviews)

Product Overview
The Arista DCS-7280CR3AK-48D6-R is a network switch router featuring 48 100GbE QSFP ports combined with 6 QSFP-DD ports, enabling dense 100 Gigabit Ethernet connectivity along with extended uplink flexibility. It supports core switching and routing tasks in demanding network environments.

General Information
Brand	Arista
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	48 x 100GbE (QSFP28), 6 x QSFP-DD (400GbE)
Number of Ports	54-Ports
Port Type	100G QSFP28
Port Speed	100GbE,400GbE,40GbE (via breakout)
UpLink Ports	6 x QSFP-DD (400GbE)
POE Support	No
Switching Capacity	7.2 Tbps
DRAM	32 GB (system DRAM, typical for 7280CR3 series)
Flash Memory	32 GB
VLAN Support	Yes
Max VLANs Supported	1-4094
Stackable	No
Layer Support	Layer 3
Connector Type	QSFP28, QSFP-DD, RJ-45 (management/console)

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static
Remote Protocols	Yes
Management Interfaces	Serial Console (RJ-45), USB Console, Dedicated 1GbE management port, SSH, HTTPS, SNMP, NETCONF, RESTCONF
Security Features	Port ACLs, 802.1X, RADIUS/TACACS+ authentication, Role-based access control, SSH, SSL, MACsec (platform/port dependent)
Management Type	Arista EOS, CLI, CloudVision
Security	802.1X, ACLs, RADIUS/TACACS+, MACsec (optional/on supported ports)
Remote Management Protocol	SSH, HTTPS, SNMP, NETCONF, RESTCONF, Telnet (optional/disabled by default)

Power & Cooling
Fans	Front-to-back redundant hot-swappable fans (variable speed)
Power	AC, redundant hot-swappable power supplies (field-replaceable)
Power Supply	Dual hot-swappable AC PSUs (typical: 1100W each)

Physical Characteristics
Dimensions	1.73 x 17.5 x 22.0 in
Weight	3.00
Operating Temperature	0°C to 40°C

Miscellaneous
Eco Friendly	Yes
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, FCC, UL, TUV

Product Description
The Arista DCS-7280CR3AK-48D6-R is a switch router equipped with 48 100 Gigabit Ethernet QSFP ports and 6 QSFP-DD ports. It is engineered to handle large-scale network traffic with high port density and versatile connectivity options. This device is typically deployed in data centers and enterprise networks to provide scalable and flexible network aggregation and core routing capabilities. Networking professionals and data center operators benefit from its combination of high throughput and advanced protocol support, enabling integration into complex network architectures. Key Features 48x 100GbE QSFP ports enable substantial bandwidth aggregation. 6x QSFP-DD ports offer extended uplink capacity and future-proofing. Supports both switching and routing functions for versatile deployment. Compact design suited for dense data center rack environments. Designed by Arista, a recognized provider of network infrastructure solutions. This switch router plays a crucial role in managing high-volume data flows and connecting multiple network segments efficiently. Its port configuration and form factors facilitate flexible network design choices without compromising on performance or scalability.

Use Cases
The Arista DCS-7280CR3AK-48D6-R is typically used in data center and large enterprise networking environments. It is suited for aggregating high-speed traffic and providing robust routing capabilities where high port density and multiple uplink options are necessary. How It's Used: Core or aggregation switch in data center networks with high bandwidth requirements. Interconnecting multiple 100GbE network segments in large enterprise infrastructures. Providing uplink connections to higher-speed QSFP-DD enabled devices or networks. Supporting Layer 2 and Layer 3 protocols for flexible network traffic management. Deployments where port density and scalability are critical factors. Integration into environments requiring compact, high-density rack solutions. Overall, this switch router helps organize and direct large volumes of network traffic efficiently, enabling network architects to build scalable and adaptable network topologies.

FAQ's
What types of ports does the DCS-7280CR3AK-48D6-R provide? This model offers 48 ports of 100GbE QSFP and 6 ports of QSFP-DD, facilitating high-density 100 Gigabit Ethernet connectivity with extended uplink options. Can the QSFP-DD ports be used for uplinks? Yes, the 6 QSFP-DD ports are designed to provide higher-capacity uplink connectivity, supporting flexible network expansion and scalability. What environments is this switch router designed for? It is intended for data center and enterprise network environments where high port density and combined switching and routing capabilities are required. Does the device support Layer 3 routing? Yes, the DCS-7280CR3AK-48D6-R supports both Layer 2 switching and Layer 3 routing functions for versatile deployment scenarios. Is the switch suitable for dense rack installations? The switch features a compact design aimed at high-density rack environments common in data centers. Who manufactures the DCS-7280CR3AK-48D6-R? Arista is the manufacturer, known for its network infrastructure solutions focusing on data center and enterprise markets.