Catalyst 9300 Series 2×10G/2×25G Network Module
Product Description
The Cisco C9300‑NM‑2Y is a high‑performance uplink network module designed for use with Cisco Catalyst 9300 Series switches. This modular expansion card enhances switch uplink flexibility by providing a combination of 2×10 Gigabit and 2×25 Gigabit Ethernet QSFP28 ports, enabling mixed uplink speeds for scalable aggregation, high‑speed inter‑switch links, and versatile fiber connectivity options.
This network module allows organizations to easily scale network capacity and adapt to evolving bandwidth needs without replacing existing switch hardware, delivering investment protection and deployment flexibility in enterprise campus environments.
Model Type
Modular Uplink Network Module with Mixed 10G and 25G QSFP28 Ports
Category
Networking – Catalyst 9300 Switch Accessories / Uplink Expansion
Key Features
2×25G QSFP28 Ports — High‑speed uplinks for aggregation or server connectivity with enhanced throughput.
2×10G QSFP+ Ports — Additional 10 Gbps uplinks for flexible connectivity options to distribution or core switches.
Modular Plug‑in Design — Fits into the modular uplink slot of supported Catalyst 9300 Series switches and is hot‑swappable for easy upgrades.
QSFP28 Optics Support — Compatible with a broad range of 25 G and 10 G QSFP+ and QSFP28 transceivers for short‑ and long‑reach fiber links.
Uplink Flexibility — Allows mixed‑speed uplinks in a single network module, enabling optimized bandwidth allocation based on network needs.
Scalable Network Expansion — Ideal for expanding uplink capacity in campus aggregation, data center access, or high‑performance backbone links.
Investment Protection — Expands switch capability without requiring platform replacement, supporting future‑proof network growth.
Technical Specs at a Glance
| Specification | Details |
|---|---|
| Model | Cisco C9300‑NM‑2Y |
| Module Type | Catalyst Network Module |
| Uplink Ports | 2× 25G + 2× 10G QSFP28 |
| Port Speed | 25 Gbps and 10 Gbps |
| Optics Supported | QSFP28 / QSFP+ transceivers |
| Module Form Factor | Hot‑swappable uplink card |
| Compatibility | Catalyst 9300 Series modular uplinks |
| Deployment | Enterprise aggregation / high‑speed uplinks |
Typical Use Cases
Mixed‑Speed Uplink Deployments — Combine 25 G and 10 G uplinks for optimized distribution and core connectivity.
High‑Performance Campus Networks — Supports bandwidth‑intensive environments with flexible uplink capability.
Scalable Aggregation Links — Ideal for linking access switches to aggregation/cores with varied speed requirements.
Future‑Proof Network Growth — Enables bandwidth upgrades without hardware replacements.








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