Name: JH561A Arista 7280R Series 24 QSFP+ 40G + 12 QSFP28 100G Layer 3 Switch
Brand: Arista
SKU: JH561A
Price: 1.00 USD
Availability: InStock
Rating: 4.8 (118 reviews)

Product Overview
The JH561A HP Arista 7280R Series switch combines high-density 40G and 100G ports with Layer 3 routing functionality, fitting neatly into a 1U rack space with front-to-back airflow. It's engineered for environments requiring fast, managed connectivity and efficient cooling within data center or enterprise network racks.

General Information
Brand	Arista
Condition	Refurbished

Technical Information
Switch Type	Layer 3, Managed Switch
Form Factor	Rack-Mountable
Mount Type	1U Rack
Switch Ports	36
Number of Ports	36-Ports
Port Type	40G QSFP+, 100G QSFP28, USB Console, Serial Console (RJ-45)
Port Speed	40G,100G
UpLink Ports	12
POE Support	No
Switching Capacity	4.32 Tbps
Switch Forwarding Rate	8437.5 Mpps
DRAM	32 GB
Flash Memory	16 GB
VLAN Support	Yes
Max VLANs Supported	1-4094
Stackable	Yes
Layer Support	Layer 3
Connector Type	QSFP+,QSFP28,USB Console,Serial Console (RJ-45)

Performance
Latency	≤2 µs
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, RIP, OSPF, OSPFv3, BGP, VRRP, PIM-SM, IGMP
Remote Protocols	Yes
Management Interfaces	Serial Console (RJ-45), USB Console, SSH, SNMP, eAPI/REST, HTTP/HTTPS
Security Features	ACLs,802.1X,Port Security,RADIUS,TACACS+,SSH
Management Type	CLI (Arista EOS), Web (Arista CloudVision), SNMP, eAPI
Remote Management Protocol	SSH,SNMP,HTTP/HTTPS,eAPI/REST,NETCONF,gNMI

Power & Cooling
Fans	Front-to-Back hot-swappable redundant fans
Power Supply	Dual hot-pluggable redundant AC power supplies (100-240VAC, 50-60Hz)

Physical Characteristics
Weight	3.00
Operating Temperature	0°C to 40°C

Miscellaneous
Assembly Required	No
Compliance Standards	RoHS, CE, FCC, cULus
Compliant Standards	IEEE 802.3,IEEE 802.3ae,IEEE 802.3ba,IEEE 802.1Q,IEEE 802.1p,IEEE 802.3ad

Product Description
The JH561A HP Arista 7280R Series switch is built to handle demanding network workloads with a mix of 40G and 100G high-throughput ports. Often found in data center environments, this switch delivers robust Layer 3 management features to support complex routing and network segmentation needs. Designed for network engineers and IT professionals managing enterprise or service provider infrastructure, it provides a reliable platform for scalable, high-performance network deployments. The front-to-back airflow and rack-mountable form factor ensure efficient integration into existing hardware setups. Key Features Supports simultaneous 40G and 100G port speeds for flexible connectivity Offers Layer 3 routing protocols for enhanced network control Compact 1U size fits standard rack deployments with optimized cooling Front-to-back airflow design helps maintain stable operating temperatures Managed switch capabilities enable detailed configuration and monitoring This switch plays a critical role in providing consistent network performance and reliability. Its configuration flexibility and hardware design make it suitable for environments where both speed and stability are essential. By maintaining efficient airflow and offering advanced management, it helps reduce downtime and optimize network operations.

Use Cases
The JH561A switch is commonly deployed in data centers and high-capacity enterprise networks where rapid data transfer and advanced routing are essential. Network operators benefit from its mix of 40G and 100G ports, enabling flexible network architecture and scalability. How It's Used: Aggregating high-speed traffic in large data center core layers Supporting virtualization and storage clusters requiring fast interconnects Enabling service provider networks to manage multi-tenant routing efficiently Integrating into enterprise backbone networks for scalable capacity Deploying in rack-dense environments needing optimized airflow and space By providing a versatile combination of port speeds and robust Layer 3 features, this switch helps maintain operational efficiency and network performance. Its design supports scalability and ease of management in complex network environments.