What Is Network Management? Definition & How It Works

Network management is the ongoing practice of monitoring, configuring, securing, and maintaining a computer network so it remains available and performs reliably. It encompasses five functional areas, commonly known as FCAPS: fault, configuration, accounting, performance, and security management. Together, these disciplines give IT teams the visibility and control needed to monitor network health, manage changes, and respond to operational and security issues.

This guide breaks down the five FCAPS areas, explains how network management systems work, and clarifies how network management software, systems, and tools differ, so you can evaluate what your organization needs.

Key Takeaways

• Network management is the ongoing practice of monitoring, configuring, securing, and maintaining a network.
• It spans five functional areas known as FCAPS: fault, configuration, accounting, performance, and security management.
• A network management system collects device data through SNMP, APIs, and telemetry to enable centralized monitoring and control.
• Network management software and tools manage network infrastructure, while a network management system integrates multiple management functions into a centralized platform.
• Network management platforms can be cloud-managed, with the management platform hosted by a cloud provider, or deployed on-premises on local hardware or a server.

The Five Functional Areas of Network Management (FCAPS)

FCAPS is the ISO-defined framework that organizes network management into five functional areas: fault, configuration, accounting, performance, and security. Many network management platforms provide capabilities that map to these categories, whether or not they use the FCAPS terminology explicitly. Understanding each area helps you evaluate what a platform actually covers.

Fault Management

Fault management detects, diagnoses, and helps isolate network problems to minimize service disruption and downtime. It relies on alerts, system logs, and fault diagnosis tools to identify failed devices, dropped connections, or degraded links. Effective fault management shortens the time between a problem occurring and an administrator responding.

Configuration Management

Network configuration management tracks and controls device settings, firmware versions, hardware inventory, and changes across the network. It maintains records of how network devices are configured. When the platform retains configuration history or backups, administrators can roll back a faulty change or replicate a working setup to a new site. Without configuration management, administrators can lose visibility into what changed and when.

Accounting Management

Accounting management tracks network resource usage and allocation, including information that can support usage analysis, capacity planning, or billing. In non-billing organizations, this function is sometimes called administration management instead. In enterprise and service provider environments, this can include measuring bandwidth or other resource consumption and associating usage with users, services, or customers. For managed service providers (MSPs), accounting data can support service reporting and client billing across multiple networks.

Performance Management

Network performance management monitors throughput, latency, and utilization to identify performance degradation and capacity constraints. It involves collecting device metrics and comparing them against baselines, helping administrators catch congestion or bandwidth bottlenecks before they escalate. This is especially important for latency-sensitive applications such as Voice over Internet Protocol (VoIP) calls and video conferencing.

Security Management

Security management governs network access and enforces security policies while monitoring the network for security events and suspicious activity. It covers authentication, firewall and access control list (ACL) policies, and ongoing monitoring for potential threats. Security management works alongside the other FCAPS areas because security policies, configuration changes, faults, and performance events can affect one another.

How Does Network Management Work?

A network management system collects status, performance, configuration, and event data from managed devices, then gives administrators tools to monitor the network and act on that information. Devices such as switches, access points, and gateways can provide information through mechanisms such as Simple Network Management Protocol (SNMP), syslog, application programming interfaces (APIs), and device telemetry, depending on the platform and device.

In practice, this plays out as a repeating workflow:

• Discover and onboard devices. New switches, access points, and gateways are discovered or added to the management platform and provisioned according to the organization's requirements.
• Monitor network health. The system collects status, performance, and event data from managed devices at configured intervals or as events occur.
• Identify and prioritize issues. Alerts identify faults, security events, or performance degradation based on configured thresholds, rules, or received events.
• Apply configuration changes. Where supported, administrators can push configuration, firmware, and policy changes to multiple devices from a central interface.
• Verify the outcome. Administrators can verify that configuration changes were applied and monitor subsequent device and network performance for unexpected issues.

This workflow provides centralized visibility and control, reducing the need to access individual devices separately to monitor their status or make supported configuration changes.

Network Management Software, Systems, and Tools

These three terms are often used interchangeably, but they describe different layers of the same discipline. Network management software and network management tools refer to the specific applications used to perform tasks, such as monitoring dashboards, configuration utilities, or alerting applications. A network management system is a broader management platform that integrates multiple network management functions, such as monitoring, configuration, alerting, reporting, and automation, into a centralized interface.

Core capabilities to look for in either include device monitoring, configuration management, alerting, reporting, and automation for repetitive tasks.

Network management systems are commonly deployed as cloud-managed or on-premises platforms, although some on-premises platforms also provide cloud-based remote access. Cloud-managed platforms host the management software off-site and are accessed through a web portal or app. On-premises platforms run on local hardware or a server, sometimes referred to as a hardware controller or software controller.

Both models can manage the same categories of devices, including switches, access points, and gateways, depending on the platform and supported device models. The difference is where the management platform itself is hosted.

Neither model requires configuring every device by hand. Both can provide centralized management; the key distinction is where the management platform runs and who maintains it.

Why Network Management Matters: Key Benefits

Network management helps keep network infrastructure available, secure, and performing as expected, supporting reliable business operations in five key ways:

• Less downtime. Fault management helps identify and diagnose failures quickly, so administrators can respond faster and reduce service interruptions.
• Stronger security posture. Centralized management can apply consistent access-control and segmentation policies across supported devices, reducing configuration inconsistencies that can create security gaps.
• Better performance for latency-sensitive applications. Performance management helps identify congestion, latency, packet loss, and other performance issues that can degrade voice and video traffic. This matters for Voice over Internet Protocol (VoIP) and video conferencing, where network performance can directly affect call quality.
• Easier scaling. Configuration management can standardize and replicate device configurations, reducing the work required to deploy a new location instead of configuring each site from scratch.
• Reduced IT workload. A centralized management interface lets administrators monitor and configure multiple devices from one place, reducing the need to access devices individually. This is especially valuable for IT teams without dedicated networking staff.

Who Uses Network Management?

Network management applies wherever a business depends on its network remaining available and reliable, but priorities vary across three common cases:

• Small-business IT managers without a dedicated networking team use network management to monitor and maintain infrastructure while reducing manual intervention. A centralized view lets administrators monitor multiple devices from one interface instead of checking each device separately.
• Managed service providers (MSPs) manage many client networks simultaneously, often across different industries and locations. In this instance, network management should support remote monitoring and, where supported, remote configuration across client sites, reducing the need for on-site visits for routine changes.
• System integrators deploy and configure networks for client organizations across environments such as schools, hotels, and retail locations. These deployments may span multiple buildings or sites, making centralized configuration and consistent policy enforcement valuable during rollout and ongoing support.

Across all three groups, the common thread is the need to monitor and manage network infrastructure consistently. Those requirements become more demanding as the number of devices, sites, or client networks grows.

Centralized and Cloud-Based Network Management

Centralized network management brings multiple management functions together, including fault, configuration, performance, and security management, across managed devices through a centralized platform. Instead of treating access points, switches, and gateways as separate systems, a centralized platform coordinates their management from one interface.

Omada's controller is an example of this model in action. It coordinates access points, switches, and gateways from a single interface, and it is available in three forms depending on how an organization wants to host its management platform:

• A cloud-based controller, which provides unlimited management scale without requiring a local controller
• A hardware controller, a dedicated physical appliance for reliable, always-on network management
• A cloud-based controller, which runs on a PC or server and offers unlimited management scale

All three support zero-touch provisioning, which allows supported devices to be added and pre-configured remotely, reducing or eliminating the need for an IT technician to perform initial configuration on-site. This is particularly useful for MSPs and system integrators managing multi-site deployments, where sending a technician to every location for initial configuration can add significant time and cost. Cloud access extends this further by allowing administrators to monitor, troubleshoot, and make supported configuration changes remotely.

Omada Network 6.3, the latest version of Omada's network management software, further unifies network management with intelligent anomaly detection, health insights, and streamlined WLAN management, helping IT teams identify issues faster and manage deployments more efficiently.

Frequently Asked Questions

What are the five areas of network management?

The five areas of network management are fault, configuration, accounting, performance, and security management, commonly referred to as FCAPS. Each area addresses a different aspect of monitoring and managing network operation, availability, performance, and security.

What is the difference between network management software and a network management system?

Network management software is a broad term for software used to monitor, configure, troubleshoot, or otherwise manage network infrastructure. A network management system is a broader management platform that integrates multiple network management functions, such as monitoring, configuration, and alerting, into a centralized interface.

What devices can a network management system manage?

A network management system can manage access points, switches, gateways, and other networked infrastructure from a central interface, depending on the platform's supported devices and protocols. Many centralized systems can manage multiple device types across one or more sites.

Building a Network Management Strategy That Scales

Network management is not a single tool but an ongoing discipline that spans all five FCAPS areas: fault, configuration, accounting, performance, and security. As a network environment grows, whether that means adding devices, sites, or client networks, centralizing these functions can make network operations more consistent and manageable.

Understanding this framework is the first step toward evaluating which platform fits your organization's scale and structure. For additional information on how centralized network management works in practice, read our introduction to the Omada SDN controller.