Cisco Nexus 56128P Switch
Flexible 10 GE Unified Port Switch
The Cisco Nexus 56128P is a wire-rate Layer 2 and Layer 3 switch offering 10 Gigabit Ethernet, unified ports (UP) and 2 expansion slots in a two-rack-unit form factor. It is optimized for 10 Gigabit Ethernet top-of-rack access, Cisco Fabric Extender (FEX) aggregation, VXLAN segmentation, and LAN-SAN convergence. It delivers high performance, operational efficiency, and design flexibility for traditional, virtualized, and cloud environments.
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Features and Capabilities
The Cisco Nexus 56128P Switch is part of the Cisco Nexus Family of data center switches, offering capabilities of the comprehensive Cisco NX-OS feature set.
High Scalability and Performance
The Cisco 56128P switch is designed to meet the scaling demands of traditional and cloud deployments
- Up to 96 10GE ports (of which 48 are UP) and 8 true 40GE QSFP ports.
- Hardware based VXLAN (L2, L3, Gateway) and NVGRE capable
- Up to 1152 ports in a single management domain via Cisco FEX architecture
- Large table sizes and buffers with 1 us latency
Operational Efficiency
The Cisco 56128P switch delivers ease of operations via single point of management and programmability:
- Advanced analytics tool kit with latency and buffer monitoring
- Single point of management with Cisco FEX Architecture
- Programmability - Python scripting, TCL scripting, the Cisco One Platform Kit, OnePK and Openflow.
Architectural Flexibility
The Cisco 56128P switch provides deployment flexibility for varying customer needs:
- LAN/SAN Convergence
- Supports Dynamic Fabric Automation (DFA) for simplified virtualized and cloud deployments
- FabricPath support for scalable layer 2 networks
Specifications at a Glance
| Form factor | 2-rack unit |
| Expansion slots | 2 |
| Number of ports | 1152 with FEX |
| 10 GE | Up to 96 wire-rate ports |
| 40 GE | Up to 8 QSFP ports |
| Unified ports | Up to 48 ports (Ethernet; FCoE; 2/4/8-gigabit FC) |
| 10 and 40 Gbps FCoE | Yes |
| Hardware VXLAN | Yes |
| NVGRE capable | Yes |
| Latency | 1 microsecond |
Data Sheets and Literature 
