Decoding Cisco switch model names can be tricky, but understanding their naming structure makes choosing the right one much easier. In this guide, we’ll break down Cisco’s switch naming conventions step by step.
Understanding Cisco Switch Model Names
Choosing the right Cisco switch can be confusing, especially with model names like Catalyst 9300-48P, Nexus 3172PQ, and SG350-28P. What do these numbers and letters mean? How do you know which switch fits your network needs?
Cisco follows a structured naming system that reveals important details about each switch’s features, performance, and capabilities. By understanding how Cisco names its switches, you can quickly compare models and make the right choice for your business.
This guide breaks down the Cisco switch naming convention, helping you decode model prefixes, feature indicators, and product series with ease.
Cisco Switch Naming Structure
Cisco uses a structured naming system consisting of series names, model numbers, and feature indicators. Here’s how it works:
Series Prefix (First Part of the Name)
The first part of a Cisco switch model name indicates the product series and its intended use:
- Catalyst – Enterprise-grade switches designed for campus and branch networks.
- Nexus – High-performance data center switches optimized for virtualization and cloud environments.
- Meraki – Cloud-managed switches with simple deployment and remote management.
- Business Series (SG, CBS, SF, etc.) – Small business and entry-level switches with affordability and ease of use in mind.
Example: In Catalyst 9300-48P, "Catalyst" denotes an enterprise campus switch.
Model Number Breakdown
Cisco switch model numbers follow a pattern that shows key specifications:
- First Digit(s) – Indicates the switch family or series.
- 9000 Series (Catalyst 9200, 9300, 9500, etc.) – Latest generation of enterprise switches.
- 300 Series (SG300, CBS350, etc.) – Small business switches with Layer 2/3 capabilities.
- Nexus 3000, 5000, 9000 Series – High-performance data center switches.
- Port Count – The number of Ethernet ports on the switch.
- Example: 48 in Catalyst 9300-48P means it has 48 ports.
- Power over Ethernet (PoE) Indicators – Switches with PoE capabilities are labeled accordingly:
- P – Standard PoE support.
- LP – Low-power PoE.
- FP – Full PoE support.
Example: The "48P" in Catalyst 9300-48P means it has 48 ports with PoE support.
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Additional Feature Codes
Cisco switch models may include extra suffixes to indicate additional features:
- X – Enhanced model with additional capabilities like stacking or modular uplinks.
- FX – Indicates fiber support.
- L – LAN base image (basic feature set for small networks).
- S – Standard or IP base image (mid-tier feature set).
- E – Enterprise image (advanced Layer 3 features).
Example: The "L" in Catalyst 9200L-48P means it runs a LAN base feature set.
Cisco Switch Categories
Cisco switches cater to a wide range of networking needs, from small business setups to high-performance data centers. The table below highlights the key differences between the main switch series and provides multiple model examples for each.
The table below breaks down these series to help you find the right fit.
Each series is designed for a specific networking environment. Whether you need high-speed, low-latency performance for a data center (Nexus), enterprise-grade reliability (Catalyst), simple cloud-managed networking (Meraki), or an affordable solution for a small business (SG/CBS Series)—Cisco provides options to fit your needs.
| Series | Best For | Key Features | Example Models |
| Catalyst | Enterprise campus and branch networks |
High-performance, scalable, secure, Layer 2/3 switching, advanced PoE options, modular and fixed configurations
|
Catalyst 9200, 9300, 9500, 9600, 3850, 3750X |
| Nexus | Data centers and cloud environments |
Ultra-low latency, high-speed Ethernet, advanced automation, support for SDN (Software-Defined Networking)
|
Nexus 3000, 5000, 7000, 9000, 9300-EX, 9500 |
| Meraki | Cloud-managed networks |
Remote management, zero-touch deployment, intuitive dashboard, security and analytics integration
|
Meraki MS120, MS210, MS225, MS250, MS355, MS425 |
| Business Series (SG, CBS, SF, etc.) | Small businesses and cost-conscious deployments | Easy-to-use, budget-friendly, Layer 2/3 capabilities, essential security and PoE options | SG350, SG550X, CBS250, CBS350, SF220, SF350 |
Making the Right Choice for Your Business
Deciphering Cisco’s switch naming conventions doesn’t have to be complicated. With a clear understanding of model numbers, feature indicators, and series distinctions, you can confidently choose the best switch for your business—whether you're scaling up, optimizing performance, or upgrading outdated equipment.
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