High-density Gigabit Fabric Extender — Cisco Nexus 2000 Series with 48×1G and 4×10G uplinks for centralized, scalable data center access
Product Description
The Cisco N2K-C2248TPE-FA-B is a 48-port Gigabit Ethernet Fabric Extender (FEX) module in the Cisco Nexus 2000 Series. Designed to work as a remote line-card extension of a parent Cisco Nexus switch, it delivers high-density access ports alongside high-speed uplinks to the core.
Model Type: Enterprise/Data Center Switch Module
Category: Cisco Nexus 2000 Series Fabric Extender (FEX)
Key Features
48 × 10/100/1000BASE-T Ports – Full Gigabit access ports for servers, blade systems, and edge devices.
4 × 10G SFP+ Uplinks – High-speed uplink interfaces for connection to parent Nexus switches (such as Nexus 5K/6K/7K).
Fabric Extender Architecture – Functions as a remote line card for a parent Nexus switch, delivering simplified management and consistent policies.
Cisco NX-OS Software – Run via the parent Nexus supervisor with consistent data center feature set, high reliability, and virtualization support.
Low-Latency, High-Density Design – Optimal for top-of-rack (ToR) aggregation in data center and campus environments.
Unified Management – Managed as part of the parent Nexus switch — no independent control plane required.
Advanced Scalability – Supports large-scale environments with simplified provisioning, decreased management overhead, and centralized control.
Technical Specs at a Glance
| Specification | Details |
|---|---|
| Product Model | N2K-C2248TPE-FA-B |
| Ports | 48 × Gigabit RJ-45 |
| Uplink Interfaces | 4 × 10G SFP+ |
| Forwarding | Line-rate Gigabit switching |
| Fabric Extender Type | Cisco Nexus 2000 Series |
| Management | Via parent Cisco Nexus switch (Nexus 5000/6000/7000) |
| Operating System | Cisco NX-OS (controlled by parent) |
| Form Factor | 1RU Fabric Extender module |
| Use Case | ToR access/aggregation in data centers |
Typical Use Cases
Top-of-Rack (ToR) Data Center Access – Provides high-density Gigabit Ethernet for server connections in racks.
Campus Distribution Layer – Extends parent Nexus switch fabric to edge devices with centralized policies.
Virtualized Data Centers – Supports converged access for VMs, hypervisors, and overlay networks.
Simplified Operations – Managed through Cisco NX-OS on parent Nexus switches — one software image, one management plane.








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