HP J9821A Rack-Mountable Switch
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HPE J9821A Aruba 5406R Ethernet 4U Chassis Managed New

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Part Number#: J9821A
List Price was: $13230.77
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Short Description:
J9821A 5406R Zl2 Rack-Mountable 6-Slots Small Form-Factor Pluggable (SFP) Rack-mountable Managed Power Over Ethernet Plus (PoE+) Switch Module | Made by HPE | Brand New 3 Years Warranty
Brand Warranty:
3 Years Warranty
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days
Product Specification About the HPE J9821A Ethernet

In the ever-evolving landscape of networking technology, the HPE J9821A Aruba 5406R Ethernet 4U Chassis emerges as a powerful and versatile solution. This managed Power over Ethernet Plus (PoE+) rack-mountable switch module is designed to meet the demands of modern network infrastructures. This detailed exploration will delve into the various aspects of the J9821A, examining its key features, capabilities, and how it stands out in the competitive realm of networking equipment.

Overview of HPE J9821A Aruba 5406R

The HPE J9821A belongs to the Aruba 5406R series, showcasing a robust 4U chassis. This chassis is a critical component of the modular switch, providing the physical framework for its functionality. The 6-slot design further enhances its adaptability, allowing for the integration of various switch modules to meet specific networking requirements.

Chassis Design and Form Factor

The 4U form factor is a defining characteristic of the J9821A, emphasizing its suitability for rack-mounted configurations. The compact yet sturdy design ensures efficient use of space while offering the scalability needed for evolving network setups. The 6 available slots signify the chassis's capacity to accommodate multiple switch modules, enabling users to customize their network infrastructure according to their unique needs.

Managed Power Over Ethernet Plus (PoE+)

One of the standout features of the J9821A is its Power over Ethernet Plus (PoE+) capabilities. This technology combines data and power delivery over a single Ethernet cable, simplifying cable management and providing flexibility in device placement. The "Plus" in PoE+ denotes an enhanced power delivery capacity compared to standard PoE, making it suitable for a broader range of devices, including high-power requirements like IP cameras and access points.

PoE+ Benefits and Applications

The inclusion of PoE+ in the J9821A brings several benefits. It eliminates the need for separate power sources for connected devices, reducing the complexity of installations. This feature is especially advantageous in environments where running power cables may be impractical. Devices such as IP cameras, VoIP phones, and wireless access points can draw power directly from the switch, streamlining both installation and maintenance processes.

Rack-Mountable Design for Space Optimization

The rack-mountable design of the J9821A is a key consideration for organizations aiming to optimize their data center or network closet space. This design allows for easy integration into standard server racks, ensuring a neat and organized layout. The 4U form factor strikes a balance between space efficiency and the physical space required for the switch's components, making it a suitable choice for various deployment scenarios.

Advantages of Rack-Mountable Switches

Rack-mountable switches offer several advantages. They enable a systematic arrangement of networking equipment, facilitating easy access for maintenance and troubleshooting. Additionally, the standardized dimensions of rack-mounted devices ensure compatibility with industry-standard server racks, promoting interoperability in mixed-use environments. The J9821A's rack-mountable design aligns with these industry standards, contributing to its versatility and ease of integration.

6-Slots Switch Module for Scalability

The J9821A's 6-slot switch module is a pivotal aspect of its design, allowing users to customize the switch's capabilities based on their specific networking requirements. Each slot can accommodate different types of modules, such as line cards, interface modules, and management modules. This modularity empowers organizations to scale their network infrastructure as needed, adapting to evolving demands without the need for a complete equipment overhaul.

Scalability Benefits and Use Cases

Scalability is a critical factor in network design, and the J9821A addresses this need by providing six available slots for module integration. Organizations can start with a basic configuration and expand as their network grows. This flexibility is particularly beneficial for businesses experiencing dynamic changes in their operational scale. Use cases include the gradual addition of ports, the introduction of advanced features, and the incorporation of redundancy measures for enhanced reliability.

Management and Control Features

A managed switch, such as the J9821A, comes equipped with advanced management and control features. These capabilities empower network administrators to configure, monitor, and optimize the switch's performance to meet specific organizational requirements.

Web-Based Management Interface

The J9821A offers a user-friendly web-based management interface, providing a graphical representation of the switch's configuration and status. This interface simplifies the configuration process, making it accessible to administrators with varying levels of expertise. Through this interface, users can adjust settings, monitor network traffic, and implement security measures with ease.

Remote Management Capabilities

Remote management capabilities further enhance the J9821A's utility, allowing administrators to oversee and troubleshoot the switch from a centralized location. This is particularly valuable for organizations with distributed network infrastructures, as it reduces the need for physical access to the switch. Remote management contributes to operational efficiency, enabling timely responses to issues and minimizing downtime.

Security Features for Data Protection

In the era of increased cyber threats, security is a paramount consideration in network design. The J9821A incorporates robust security features to safeguard data integrity and protect against unauthorized access.

Access Control Lists (ACLs) for Traffic Filtering

Access Control Lists (ACLs) enable administrators to define rules for permitting or denying traffic based on specified criteria. The J9821A supports ACLs, providing a granular level of control over network traffic. This capability is instrumental in preventing unauthorized access, mitigating security risks, and ensuring compliance with regulatory requirements.

VLAN Support for Network Segmentation

Virtual Local Area Networks (VLANs) are a fundamental tool for network segmentation, enhancing security by isolating traffic between different segments. The J9821A supports VLANs, allowing organizations to create distinct virtual networks within the same physical infrastructure. This segmentation enhances overall network security by containing potential threats and limiting the impact of security breaches.

General Information about the HPE J9821A
  • Manufacturer: HPE
  • Part Number or SKU# J9821A
  • Type: Networking
  • Switch-Type: Managed Switch
  • Option Part Number: J9821-61001
Technical Information
  • Enclosure Type: Rack-mountable 4U
  • Subtype: Gigabit Ethernet
  • Power Over Ethernet (PoE): PoE+
  • Throughput: 392.8 Mbps
  • Routing/Switching Capacity: 528 Gbps
  • Switching Fabric Bandwidth: 1015 Gbps
  • IPv4 Routing Table Entries: 10,000
  • IPv6 Routing Table Entries: 5,000
  • MAC Address Table Size: 64k Entries
  • Routing Protocol: OSPF, RIP-1, RIP-2, BGP, IGMP, OSPFv2, Static IP Routing, IGMPv3, OSPFv3
  • Remote Management Protocol: SNMP 1, RMON 2, RMON, SNMP 3, SNMP 2c, HTTP, SSH-2, CLI, XRMON
  • VLAN Support
  • Auto-uplink (Auto MDI/MDI-X)
  • IGMP Snooping
  • Half Duplex Mode
  • Full Duplex Mode
  • sFlow
  • Virtual Route Redundancy Protocol (VRRP) Support
  • Access Control List (ACL) Support
  • Quality of Service (QoS)
  • MLD Snooping
  • STP Root Guard
  • Uni-directional Link Detection (UDLD)
  • Rapid Per-VLAN Spanning Tree Plus (PVRST+)
  • LLDP Support
  • Port Security
  • DHCP Protection
  • Class of Service (CoS)
  • sFlow V5
  • Generic Attribute Registration Protocol (GARP)
  • Type of Service (ToS)

Compliant Standards

  • IEEE 802.1Q
  • IEEE 802.3ab
  • IEEE 802.1p
  • IEEE 802.3af
  • IEEE 802.3ad (LACP)
  • IEEE 802.1X
  • IEEE 802.1S
  • IEEE 802.1AD
  • IEEE 802.1V
  • IEEE 802.1AB (LLDP)
  • IEEE 802.3at
  • IEEE 802.3az

Finally, the HPE J9821A Aruba 5406R Ethernet 4U Chassis emerges as a robust and versatile solution for organizations seeking a high-performance networking infrastructure. Its managed switch module, rack-mountable design, 6-slot configuration, and scalability make it well-suited for a variety of applications, from data centers and enterprise networks to campus and telecommunication environments. By understanding the key features, technical specifications, and potential use cases of the Aruba 5406R, businesses can make informed decisions when selecting a networking solution that aligns with their current needs and future growth.

Brand Warranty:
3 Years Warranty
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

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What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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