The ENTERASYS A4H254-8F8T is a versatile Layer 3 managed gigabit Ethernet switch, engineered by Enterasys Networks (now part of Extreme Networks). This hybrid switch is uniquely designed with a balanced combination of fiber and copper ports, making it an ideal solution for network aggregation points where flexibility and performance are critical.
In a multi-story university library, the IT team needs to connect staff workstations (via copper) on one floor to the main data center (via fiber) in another building. The ENTERASYS A4H254-8F8T is deployed as a distribution switch. Its 8 copper ports connect directly to local devices, while the 8 fiber ports form a high-speed, noise-immune backbone link to the core network. This hybrid design eliminates the need for separate media converters, simplifying the infrastructure and providing a robust, all-in-one solution for a complex connectivity environment.
Main Parameters | Value/Description |
Product Model | ENTERASYS A4H254-8F8T |
Manufacturer | Enterasys Networks (Extreme Networks) |
Product Category | Layer 3 Managed Gigabit Ethernet Switch |
Copper Ports | 8 x 10/100/1000BASE-T (RJ-45) |
Fiber Ports | 8 x 100/1000BASE-X SFP Slots ( Gigabit Fiber) |
Switching Capacity | High backplane capacity for non-blocking wire-speed performance |
Management Level | Layer 3 (Static Routing, RIP, OSPF) |
Key Features | VLAN, QoS, ACLs, Link Aggregation, IPv6 Support |
Power Supply | Redundant, hot-swappable power supply option |
Enclosure | 1U Rack-mountable |
· •Innovation Point 1: Hybrid Port Design for Maximum Deployment Flexibility. The A4H254-8F8T's key innovation is its balanced 8x copper and 8x SFP fiber port configuration. This allows network architects to seamlessly connect both local end-devices and long-distance fiber links within a single, manageable unit, reducing complexity and total cost of ownership.
· •Innovation Point 2: Layer 3 Routing at the Aggregation Layer. This switch brings intelligent routing capabilities to the network edge. It can perform inter-VLAN routing locally, offloading traffic from the core network and reducing latency for internal communications, which significantly improves overall network efficiency.
· •Innovation Point 3: Advanced Policy-Based Management for Granular Control. Beyond basic connectivity, the switch supports detailed Access Control Lists (ACLs) and robust Quality of Service (QoS) policies. This enables precise control over network traffic, ensuring optimal performance for critical applications across both copper and fiber connections.
A regional hospital was expanding its imaging center and needed to connect new high-resolution medical imaging machines (PACS) to the main server room. The machines required local copper connections, but the link to the data center needed the bandwidth and immunity of fiber. By deploying the ENTERASYS A4H254-8F8T, the hospital connected the imaging equipment to the copper ports and used the SFP slots for a high-speed fiber uplink. The switch's Layer 3 capabilities created a secure, prioritized VLAN for medical imaging traffic. This solution resulted in faster image transfer times for doctors and a more reliable network infrastructure, directly enhancing patient care efficiency.
· •Enterasys A4H124-24TX P0973JM: A 24-port copper access switch that can aggregate end-user devices and connect to the A4H254-8F8T via Gigabit copper uplinks.
· •Enterasys A4H124-24FX P0973JN: A 24-port fiber switch that can be used in conjunction for high-density fiber aggregation, connecting via the A4H254-8F8T's SFP ports.
· •Enterasys C3G124-48P: A high-density PoE+ switch for connecting IP phones and cameras, with fiber uplinks to the A4H254-8F8T.
· •Enterasys B5K125-48x: A high-performance data center core switch that the A4H254-8F8T can connect to via 10 Gigabit fiber uplink modules for larger network architectures.
· •ExtremeXOS® Operating System: The robust network operating system that powers the A4H254-8F8T, providing a consistent and reliable feature set.
Installation of the ENTERASYS A4H254-8F8T is a standard 1U rack-mount process. The RJ-45 ports allow for easy connection of local devices, while the SFP slots provide flexibility for various fiber optic distances and types. The support for redundant, hot-swappable power supplies ensures maximum uptime. Configuration is intuitive via a web GUI or CLI.Routine maintenance involves monitoring performance statistics and keeping the firmware updated. The switch's robust design ensures long-term reliability. We provide comprehensive support, from initial network design consultation to configuration assistance for Layer 3 routing and traffic policies. Our technical support team is available for troubleshooting, and we guarantee a reliable supply of genuine ENTERASYS A4H254-8F8T switches and compatible SFP modules.
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