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Cisco Meraki MS125-48-HW: A Comprehensive Guide




1:04 PM


As a comprehensive technology partner, A5 IT provides a full range of IT products and services to empower businesses of all sizes. One of the top-notch network hardware we offer is the Cisco Meraki MS125-48-HW switch. In this comprehensive guide, we will cover everything you need to know about this powerful switch, including its key features, installation, management, and use cases.


Brief overview of Cisco MS125-48-HW switch

The Cisco Meraki MS125-48-HW is a versatile and reliable layer 2 switching solution, perfect for small to medium-sized businesses and enterprise networking environments. With 48 Gigabit Ethernet ports, this cloud-managed switch offers advanced network management features and simplifies the configuration and monitoring of your network infrastructure.

Purpose of the guide

This comprehensive guide aims to provide you with in-depth knowledge of the Cisco Meraki MS125-48-HW switch, helping you make an informed decision about whether it’s the right solution for your networking needs.

What readers can expect to learn from the guide

By the end of this guide, you will have a thorough understanding of the Cisco Meraki MS125-48-HW switch’s features, installation process, management, monitoring capabilities, integrations, use cases, and comparisons to similar products.

Key Features

Port and power specifications

The Cisco Meraki MS125-48-HW switch comes with:

  • 48 x 10/100/1000BASE-T Gigabit Ethernet ports
  • 4 x SFP+ 10 Gbps uplink interfaces
  • Non-PoE (MS125-48-HW) and PoE (MS125-48LP-HW and MS125-48FP-HW) models
  • Maximum power consumption of 30W (non-PoE), 400W (MS125-48LP-HW), and 740W (MS125-48FP-HW)

Layer 2 and Layer 3 switching capabilities

As a layer 2 switch, the MS125-48-HW supports:

  • VLAN configuration
  • Spanning Tree Protocol (STP)
  • Link aggregation
  • IGMP snooping
  • Quality of Service (QoS) settings

Cloud-based management

The Cisco Meraki MS125-48-HW leverages cloud-based networking, offering:

  • Centralized management through the Meraki dashboard
  • Real-time network monitoring and troubleshooting
  • Automatic firmware updates
  • Intuitive configuration of settings and features

Quality of Service (QoS) settings

The switch supports QoS features, allowing you to prioritize network traffic based on:

  • DSCP (Differentiated Services Code Point)
  • CoS (Class of Service)
  • 802.1p (Layer 2 Priority)

Power over Ethernet (PoE) capabilities

For the PoE models (MS125-48LP-HW and MS125-48FP-HW), the switch supports:

  • 802.3af (PoE) and 802.3at (PoE+) standards
  • Up to 30W per port (MS125-48FP-HW) and 15.4W per port (MS125-48LP-HW)
  • PoE scheduling and power allocation control

Installation and Setup

Preparing for installation

Before installing the Cisco Meraki MS125-48-HW switch, ensure you have:

  • A Meraki dashboard account
  • A valid license for the switch
  • A suitable location with adequate ventilation, power, and network connections

Physical setup of the switch

To physically set up the MS125-48-HW switch:

  1. Mount the switch in a rack or on a flat surface
  2. Connect the switch to a power source
  1. Connect the switch to your Internet connection using one of the uplink ports
  2. Connect your devices to the Gigabit Ethernet ports

Configuring the switch through the Meraki dashboard

To configure the MS125-48-HW switch via the Meraki dashboard:

  1. Log in to your Meraki dashboard account
  2. Add the switch to your network by entering its serial number
  3. Configure the switch settings, such as VLANs, QoS, PoE, and more

Best practices for setting up VLANs and QoS

When configuring VLANs and QoS on the MS125-48-HW switch, consider the following best practices:

  • Create separate VLANs for different types of network traffic, such as voice, data, and management
  • Use QoS settings to prioritize latency-sensitive applications, like VoIP and video conferencing
  • Configure inter-VLAN routing to allow communication between different VLANs when necessary
  • Enable Spanning Tree Protocol (STP) to prevent network loops and ensure a stable network topology

Management and Monitoring

Navigating the Meraki dashboard

The Meraki dashboard provides a user-friendly interface to manage and monitor your MS125-48-HW switch. Key features of the dashboard include:

  • Overview of your network’s health and performance
  • Configuration of switch settings, such as VLANs, QoS, and PoE
  • Real-time monitoring of network traffic, port status, and connected devices
  • Access to historical data and reports

Setting up alerts and notifications

To stay informed about your network’s performance and potential issues, configure alerts and notifications in the Meraki dashboard by:

  1. Navigating to “Alerts & administration” in the dashboard
  2. Enabling and configuring the desired alerts, such as switch up/down events, power supply failures, and high-temperature warnings
  3. Specifying the recipients for email and/or SMS notifications

Monitoring network performance

The Meraki dashboard offers various tools to monitor your MS125-48-HW switch’s performance:

  • Real-time traffic analytics and usage trends
  • Port and device status monitoring
  • Network-wide event logs and diagnostics
  • Customizable summary reports

Troubleshooting common issues

The Meraki dashboard simplifies network troubleshooting by providing:

  • Live tools to diagnose connectivity issues, such as ping, traceroute, and cable tests
  • Event logs for detailed information on network events and potential problems
  • Remote packet capture to analyze network traffic and identify issues

Integrations and APIs

Overview of Meraki APIs

The Cisco Meraki platform offers a robust API, enabling you to:

  • Automate network configuration and management tasks
  • Integrate with third-party applications and services
  • Access network data and insights programmatically

Integrating with third-party software

With Meraki APIs, you can integrate the MS125-48-HW switch with various third-party software solutions, such as:

  • Network monitoring and management tools
  • IT service management (ITSM) platforms
  • Security information and event management (SIEM) systems

Automating tasks with APIs

By leveraging Meraki APIs, you can automate tasks like:

  • Bulk configuration changes across multiple switches
  • Dynamic VLAN assignments based on user or device attributes
  • Automated network provisioning for new devices

Use Cases

Small to medium business networks

The MS125-48-HW switch is an ideal solution for small to medium-sized businesses, providing reliable network performance, easy management, and scalability to support future growth.

Hospitality and entertainment venues

For hospitality and entertainment venues, the MS125-48-HW offers robust PoE capabilities and QoS settings, ensuring smooth and reliable connectivity for guests, staff, and critical services like VoIP and video surveillance.

Educational institutions

The MS125-48-HW switch is perfect for educational institutions, offering a reliable and easy-to-manage network infrastructure to support digital learning, campus security, and administrative operations.

Healthcare organizations

In healthcare organizations, the MS125-48-HW switch ensures secure and reliable connectivity for patient care, medical equipment, and administrative functions, while complying with industry-specific regulations and standards.

Comparison to Similar Products

Comparison to other Meraki switches

The Cisco Meraki MS125-48-HW is part of a broader family of Meraki switches, including:

  • MS120 Series: Entry-level switches for small businesses and branch offices
  • MS210 Series: Layer 2 switches with stacking capabilities for increased scalability
  • MS250 Series: Layer 3 switches with advanced routing and security features

Compared to these models, the MS125-48-HW provides a balance of performance, features, and affordability, making it an excellent choice for a wide range of network environments.

Comparison to non-Meraki switches

When comparing the MS125-48-HW to non-Meraki switches, key differentiators include:

  • Cloud-based management: The Meraki dashboard simplifies network management, monitoring, and troubleshooting.
  • Automatic firmware updates: The MS125-48-HW receives regular firmware updates to ensure optimal performance and security.
  • Integration with Meraki ecosystem: Seamless integration with other Meraki products, like access points and security appliances, creates a unified network infrastructure.


Summary of key takeaways

The Cisco Meraki MS125-48-HW switch offers a powerful and reliable layer 2 switching solution for businesses of all sizes. Its cloud-based management, advanced features, and scalability make it an excellent choice for a wide range of network environments.

Final thoughts and recommendations

If you’re looking for a versatile and easy-to-manage network switch, the Cisco Meraki MS125-48-HW is an ideal choice. Its robust feature set and cloud-based management ensure a high-performance, secure, and reliable network infrastructure.


What is Cisco Meraki MS125-48-HW switch?

The Cisco Meraki MS125-48-HW is a cloud-managed layer 2 switch with 48 Gigabit Ethernet ports and 4 SFP+ uplink interfaces, designed for small to medium-sized businesses and enterprise networking environments.

What are the benefits of using Cisco Meraki MS125-48-HW switch?

The benefits of using the MS125-48-HW switch include easy cloud-based management, advanced network features, scalability, and seamless integration with other Meraki products.

How do I set up the Cisco Meraki MS125-48-HW switch?

To set up the switch, physically connect it to a power source and your network, then configure it using the Meraki dashboard.

What are the key features of Cisco Meraki MS125-48-HW switch?

Key features include layer 2 switching capabilities, cloud-based management, QoS settings, and optional PoE capabilities.

How do I troubleshoot Cisco Meraki MS125-48-HW switch?

Troubleshooting the switch can be done using the Meraki dashboard, which provides live tools, event logs, and remote packet capture.

How do I manage the Cisco Meraki MS125-48-HW switch?

The switch is managed using the Meraki dashboard, which offers an intuitive interface for configuration, monitoring, and troubleshooting.

What are the best practices for using Cisco Meraki MS125-48-HW switch?

Best practices include setting up separate VLANs for different types of network traffic and using QoS settings to prioritize latency-sensitive applications.

What are the use cases for Cisco Meraki MS125-48-HW switch?

Use cases for the MS125-48-HW switch include small to medium business networks, hospitality and entertainment venues, educational institutions, and healthcare organizations.

How does Cisco Meraki MS125-48-HW compare to other Cisco switches?

The MS125-48-HW provides a balance of performance, features, and affordability compared to other Meraki switches, making it suitable for a wide range of network environments.

How does Cisco Meraki MS125-48-HW integrate with other Cisco Meraki products?

The MS125-48-HW switch seamlessly integrates with other Meraki products, such as access points and security appliances, creating a unified network infrastructure.

What are the deployment scenarios for Cisco Meraki MS250-48LP-HW?

The MS250-48LP-HW, a higher-end Meraki switch, is ideal for deployment scenarios requiring advanced layer 3 features, such as routing, access control lists, and dynamic routing protocols. It is suitable for larger networks or those with more complex requirements.

What are the licensing options for Cisco Meraki MS250-48LP-HW?

Cisco Meraki switches, including the MS250-48LP-HW, require a valid license to operate. Licensing options include Enterprise (1, 3, 5, 7, or 10-year terms) and Advanced Security (1, 3, 5, 7, or 10-year terms). The Enterprise license covers all the essential features, while the Advanced Security license includes additional security and SD-WAN capabilities for more complex network environments.

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