Cisco N9K-C9236C Quick Specs
| Specification |
Details |
| Product Model |
Cisco Nexus N9K-C9236C |
| Product Series |
Nexus 9000 Series |
| Device Type |
Data Center Spine/Leaf Switch |
| Port Type |
36 x 100G QSFP28 |
| Interface Speed |
100GbE |
| Switching Capacity |
Up to 7.2 Tbps |
| Forwarding Rate |
Up to 3.6 Bpps |
| Network OS |
Cisco NX-OS |
| Form Factor |
1RU Rack Mount |
| Application |
Data Center, Cloud, Enterprise Network |
Cisco N9K-C9236C Technical Specifications
| Category |
Specification |
| Model Number |
N9K-C9236C |
| Manufacturer |
Cisco Systems |
| Product Family |
Cisco Nexus 9000 Series |
| Chassis |
Fixed Configuration Switch |
| Rack Height |
1RU |
| Downlink/Uplink Ports |
36 x QSFP28 100 Gigabit Ethernet Ports |
| Port Speed |
40/100GbE |
| Transceiver Support |
QSFP+, QSFP28 Optical Modules |
| Switching Capacity |
7.2 Tbps |
| Forwarding Performance |
3.6 Billion Packets Per Second |
| Latency |
Ultra-low latency architecture |
| MAC Address Table |
Large-scale Layer 2 forwarding table |
| VLAN Support |
IEEE 802.1Q VLAN |
| Routing Features |
OSPF, BGP, IS-IS, PIM, VRF |
| Data Center Features |
VXLAN, EVPN, ACI Ready |
| Software |
Cisco NX-OS |
| Automation Support |
Python, REST API, NETCONF/YANG |
| Security Features |
ACL, DHCP Snooping, Storm Control |
| Power Supply |
Hot-swappable redundant PSU support |
| Cooling |
Hot-swappable fan modules |
| Management |
CLI, SNMP, Cisco DCNM/Nexus Dashboard |
| Deployment |
Spine, Leaf, Core Aggregation |
Product Overview
The Cisco N9K-C9236C Nexus 9000 Series Switch is a high-performance 100 Gigabit Ethernet data center switch designed for modern cloud computing, enterprise data centers, and large-scale network environments. Featuring 36 ports of QSFP28 100GbE connectivity, the N9K-C9236C provides exceptional bandwidth density, low latency, and operational flexibility.
Built on the Cisco Nexus 9000 architecture, the N9K-C9236C supports both traditional Cisco NX-OS mode and Cisco ACI deployment models, making it suitable for organizations requiring scalable, programmable, and automation-ready networking infrastructure.
With support for VXLAN, EVPN, BGP, advanced Layer 2/Layer 3 routing, and network automation, this switch enables efficient spine-leaf architectures and high-performance data center fabrics.
The Cisco N9K-C9236C is widely deployed in:
- Cloud data centers
- Enterprise core networks
- Service provider infrastructure
- High-performance computing environments
- AI and data-intensive applications
- Spine-leaf network architectures
Key Features and Benefits
1. High-Density 100GbE Connectivity
The N9K-C9236C provides 36 * 100G QSFP28 ports, enabling high-bandwidth connections between servers, leaf switches, and spine layers.
2. Designed for Modern Data Centers
Supports Cisco ACI and VXLAN EVPN architectures to simplify large-scale network deployment and management.
3. Low Latency and High Performance
The switch delivers wire-speed forwarding with optimized latency for demanding applications such as cloud services, virtualization, and AI workloads.
4. Flexible Deployment Options
Supports Cisco NX-OS mode for traditional networking and ACI mode for policy-based automated data center networking.
5. Enterprise-Grade Reliability
Hot-swappable power supplies and fan modules improve availability and reduce maintenance downtime.
Cisco N9K-C9236C vs Other Nexus Switches
N9K-C9236C vs N9K-C9336C-FX2
| Feature |
N9K-C9236C |
N9K-C9336C-FX2 |
| Port Type |
QSFP28 |
QSFP28 |
| 100G Ports |
36 |
36 |
| Generation |
Nexus 9000 Classic |
Nexus 9000 FX2 |
| VXLAN EVPN |
Supported |
Enhanced Support |
| ACI Support |
Yes |
Yes |
| Best For |
Enterprise Data Center |
Next-Generation Cloud Data Center |
Which one should I choose?
- Choose N9K-C9236C for reliable 100G spine/core deployments requiring proven Nexus 9000 performance.
- Choose N9K-C9336C-FX2 for newer deployments requiring enhanced telemetry, higher scalability, and future-ready features.
FAQ
Q1: What is Cisco N9K-C9236C used for?
The Cisco N9K-C9236C is mainly used as a high-speed data center spine or aggregation switch. It connects multiple leaf switches and provides high-bandwidth east-west traffic forwarding.
Q2: How many ports does Cisco N9K-C9236C have?
The N9K-C9236C includes 36 QSFP28 ports, supporting 40GbE and 100GbE Ethernet connectivity.
Q3: Does N9K-C9236C support Cisco ACI?
Yes. The N9K-C9236C supports Cisco Application Centric Infrastructure (ACI), enabling automated policy-based data center networking.
Q4: What transceivers are compatible with Cisco N9K-C9236C?
The switch supports various Cisco QSFP+ and QSFP28 optical modules, including:
- 100G QSFP28 SR4
- 100G QSFP28 LR4
- 100G QSFP28 ER4
- 40G QSFP+ optical transceivers
Q5: Is Cisco N9K-C9236C still suitable for modern data centers?
Yes. Although newer Nexus models exist, the N9K-C9236C remains suitable for many enterprise and cloud environments requiring stable 100G switching performance.
Q6: Do you provide warranty and technical support for Cisco N9K-C9236C?
Yes. Professional suppliers typically provide:
- Hardware testing before shipment
- Compatibility verification
- Technical consultation
- Warranty service options
- Worldwide delivery support
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