MikroTik CRS125-24G-1S-IN Switch

In modern business networks, having a reliable, flexible, and scalable switching solution is essential. Organizations, small data centers, and professional network setups require hardware built for stability, high performance, and advanced Layer 3 capabilities, without driving the cost through the roof. The MikroTik CRS125-24G-1S-IN Switch delivers exactly that balance. Designed for those who need enterprise-class control in a compact and user-friendly form factor, it has become a trusted choice for IT managers, MSPs, and system integrators around the world.

This mikrotik switch blends intelligent switching, routing, and centralized network management capabilities in a single box. The CRS125-24G-1S-IN is not just another access switch; it is a professional-grade solution for structured enterprise environments, expanding office networks, and managed network deployments. With 24 Gigabit Ethernet ports, one SFP uplink slot, a powerful CPU, and RouterOS, this MikroTik CRS125-24G-1S-IN Switch is engineered to deliver real value where reliability and configurability matter most. At ITMan, we proudly offer this model for those seeking a long-term, future-ready switching solution at a competitive price point.

Full Product Overview: MikroTik CRS125-24G-1S-IN Switch

The MikroTik CRS125-24G-1S-IN Switch is part of MikroTik’s Cloud Router Switch lineup, built to offer hybrid switching and routing functionality for advanced networking environments. What sets this model apart is its combination of enterprise traffic control features, robust hardware, and versatile management capabilities. Powered by MikroTik RouterOS L5 and featuring an Atheros CPU, it can perform not only standard Layer 2 switching but also support advanced Layer 3 features such as routing, firewall rules, and VLAN manipulation.

The chassis is desktop-friendly yet professional. Fanless design enables near-silent operation, making it ideal for offices and workspaces. A built-in LCD touchscreen provides quick status checks and easy interaction. It includes 128 MB RAM and 16 MB Flash storage, enough to handle advanced configuration sets for medium-sized networks. For IT professionals who demand flexibility, the CRS125-24G-1S-IN supports WebFig, WinBox, and CLI configuration, ensuring accessibility regardless of management style.

Performance-wise, the switch is designed to handle mixed environments. It excels in handling VLAN-segmented traffic, VoIP networks, CCTV deployments, and enterprise wireless infrastructures. With the SFP uplink, it can connect directly to fiber backbones or long-distance distribution switches. This makes the MikroTik CRS125-24G-1S-IN Switch a perfect fit for organizations looking to unify performance and network intelligence in one device.

Key Applications for MikroTik CRS125-24G-1S-IN Switch

The MikroTik CRS125-24G-1S-IN Switch is suitable for a wide range of professional scenarios. It fits especially well in structured business networks where managed Ethernet switching is required. Popular applications include corporate offices, educational institutions, call centers, co-working spaces, hospitality networks, and retail chains.

This switch is also widely used for wireless infrastructure deployments. Many installers choose the CRS125-24G-1S-IN to manage multiple MikroTik or Ubiquiti access points thanks to its VLAN flexibility and stability. For IP camera setups, the 24 GbE ports support large CCTV environments when paired with PoE injectors or downstream PoE switches. Given its routing features, small enterprises can even use the CRS125 as the core gateway device. Its robust OS ensures future feature expansions and long-term support.

Port and Connectivity Layout

The MikroTik CRS125-24G-1S-IN Switch includes:

• 24 Gigabit Ethernet ports
• 1 SFP fiber uplink slot (1 Gb fiber support)
• Console/serial management port
• USB port for storage or configuration
• LCD touchscreen status panel

This layout makes it convenient to deploy for wired dense setups while maintaining a high-speed uplink path to distribution or core switching equipment. The SFP uplink ensures clean fiber backbone connectivity, essential for multi-floor or multi-building enterprise networks. The 24-port Gigabit layer is ideal for handling large client clusters like workstations, printers, VoIP phones, POS systems, and APs.

Creating Secure VLAN Architecture

When deploying MikroTik CRS125-24G-1S-IN Switch in business networks, properly segmenting traffic ensures performance and security. Here is a workflow to define a common VLAN structure:

• Create VLANs for Staff, Guest Wi-Fi, CCTV, Servers
• Assign each VLAN to a separate bridge interface
• Tag uplink port to core or gateway
• Untag access ports for client end devices
• Apply inter-VLAN routing where required

This approach protects internal resources, boosts broadcast efficiency, and supports enterprise wireless deployments.

Centralized Access Control

For managed corporate environments, pairing the CRS125-24G-1S-IN with user authentication systems like RADIUS creates seamless identity-based control. You can grant access based on user groups, monitor login sessions, and enforce bandwidth and QoS policies for each authenticated device.

Such configuration is ideal for modern offices, co-working hubs, and organizations needing centralized user governance.

MikroTik CRS125-24G-1S-IN vs Similar MikroTik Models

The CRS125-24G-1S-IN Switch stands out as a flexible office switch with integrated routing and LCD display, while newer CRS326 models focus heavily on higher-speed uplinks and data-center environments. The CRS109 adds Wi-Fi but lacks the port capacity for larger offices.

Technical Specifications: MikroTik CRS125-24G-1S-IN Switch

FAQ

1. Is the MikroTik CRS125-24G-1S-IN Switch good for business use?
   Yes, it is designed for enterprise, SMB, and high-availability office networks.
2. Can it perform routing tasks?
   Yes, it supports Layer 3 features including VLAN routing and firewall rules.
3. Does this model support PoE?
   It does not have native PoE; external injectors or PoE switches can be used.
4. Is it silent?
   Yes, it has a fanless cooling system.
5. Can it handle large Wi-Fi deployments?
   Yes, it is commonly used for AP aggregation and VLAN isolation.
6. What type of SFP modules are supported?
   Standard 1G SFP fiber modules.
7. Can it be used as a core switch?
   For small to medium networks, yes.
8. Which management interfaces are supported?
   CLI, WebFig, WinBox, SNMP, LCD interface.
9. Is this unit rackmountable?
   It is designed for desktop but can be rack-mounted with brackets.
10. Does it run RouterOS?
    Yes, RouterOS Level 5 is included.

Conclusion

For organizations looking for a business-class, future-proof, and configurable network switch that blends advanced Layer 2 and Layer 3 capabilities, the MikroTik CRS125-24G-1S-IN Switch stands as a smart investment. Its stability, scalability, quiet operation, and fiber uplink support make it ideal for professional workspaces, growing networks, and office infrastructure. At ITMan, we supply the CRS125-24G-1S-IN ready for deployment, offering full local support and expert guidance to help you build a powerful and structured network environment.