Aruba 5406R zl2 Switch

Overview

The Aruba J9821A is a modular network switch from the 5406R zl2 family designed to deliver high capacity and simplified management for campus cores, large access layers, or aggregation points. It offers a switching capacity of 960 Gbps and a forwarding throughput of 571.4 million packets per second, ensuring smooth and responsive network performance even during peak traffic periods. With six open module slots, this chassis allows flexible port configurations to meet current needs and future growth.

Key features

• Modular chassis with six open slots enables customized port configurations for diverse network requirements.
• Supports a mix of up to 144 Gigabit Ethernet ports, 48 10 Gb SFP+ ports, or 12 40 GbE connections to accommodate various device types and speeds.
• Virtual Switching Framework technology allows stacking multiple units under a single IP address, simplifying management and providing fast failover for high availability.
• Includes a fan tray and management module for built-in redundancy and reliable operation.
• Chassis form factor supports easy upgrades by sliding in new line cards, helping networks scale without replacing the entire switch.
• Compact 4U height fits standard racks while leaving space for additional equipment in crowded data centers or wiring closets.

Key specs

• Switching capacity: 960 Gbps
• Switch fabric speed: 1,015 Gbps
• Forwarding throughput: 571.4 million packets per second
• Latency: below 1.5 microseconds at 40 GbE
• Port capacity: up to 144 1 Gb Ethernet, 48 10 Gb SFP+, or 12 40 GbE connections
• Chassis size: 4U rack height
• Included components: fan tray and management module
• Power supply: sold separately to allow tailored wattage and redundancy

Connectivity and compatibility

This switch supports a wide range of network configurations thanks to its modular design. You can equip it with a combination of Gigabit Ethernet ports for high-density edge connections, 10 Gb SFP+ ports for server uplinks, or 40 GbE ports for high-speed aggregation. The Virtual Switching Framework enables seamless stacking of multiple switches, making it easier to manage large campus networks or data centers with multiple closets.

Performance and reliability

With a forwarding throughput exceeding half a billion packets per second and latency under 1.5 microseconds at 40 GbE speeds, this switch maintains low-latency, high-speed data flow essential for demanding environments. The built-in fan tray and management module provide basic redundancy, while the option to select power supplies with the desired wattage and redundancy level ensures the switch can meet specific uptime and power requirements.

Ideal uses and environments

The Aruba 5406R zl2 switch is well suited to enterprise campus cores, large access layers, and aggregation points where high port density and flexible configurations are needed. It fits well in busy classrooms, office floors, or production environments that require consistent network responsiveness during peak usage. IT teams managing multiple wiring closets will benefit from the stacking capabilities and simplified management offered by the Virtual Switching Framework.