Introduction
In our increasingly networked world, fast and stable Internet connections are essential. Access points (APs) play a central role in this, especially in environments that need to cover large areas or support a high number of users. But what exactly are access points, how do they work and why are they so important for modern networks? In this blog post, you'll find out everything you need to know about access points.
What is an access point?
An access point is a device that makes it possible to connect wireless devices such as smartphones, laptops and tablets to a wired network. It acts as an intermediary between the wireless and wired network by sending and receiving Wi-Fi signals. Access points are typically found in businesses, schools, airports and other high-traffic facilities where they extend the main network and provide wireless connectivity.
How does an access point work?
An access point emits a Wi-Fi signal that wireless devices can connect to. It is usually connected to a router or switch that provides access to the internet or other network resources. The basic steps for operating an access point are
Connecting to the router/switch: the access point is connected via an Ethernet cable to a router or switch that provides access to the Internet or a local network.
Sending WLAN signals: The access point sends out WLAN signals that can be received by wireless devices. These signals are based on standards such as Wi-Fi 5 (802.11ac) or Wi-Fi 6 (802.11ax). Newer models even use Wi-Fi 7 (802.11be).
Data processing: The access point receives data from the wireless devices and forwards it to the wired network. Conversely, it receives data from the wired network and sends it to the wireless devices.
Authentication and security: Access points can also support security protocols such as WPA3 to ensure that only authorized users can access the network.
Types of access points
Access points can be divided into different categories depending on their purpose and functionality:
Standalone access points: These devices operate independently and are often used in small networks or home networks. They are easy to configure and are a cost-effective solution for simple network requirements.
Controller-based access points: These access points are managed by a central controller that controls multiple access points in a large network. This is ideal for organizations and large facilities that require a high level of control and coordination between access points.
Cloud-managed access points: These offer the ability to manage the network via a cloud platform, allowing for flexible network management regardless of location. They are particularly suitable for companies that want to manage their networks centrally at multiple locations.
Mesh access points: These form a meshed network in which multiple access points are linked together to provide seamless coverage over large areas. They are ideal for environments with difficult structural conditions or for large outdoor areas.
Why are access points important?
Access points are essential for several reasons:
Extending network coverage: access points extend the range of the network and improve coverage in areas that would otherwise be difficult to reach.
Increasing capacity: In environments with many users, access points can increase network capacity and provide better performance by spreading the load and avoiding congestion.
Flexible network design: Access points enable flexible network design by facilitating the deployment of wireless devices and reducing cabling requirements.
Support for modern technologies: By supporting new WLAN standards such as Wi-Fi 6, access points can offer higher data rates, improved efficiency and lower latency, which is particularly important for modern applications and IoT devices.
Installation and configuration of access points
Installing an access point can be done in a few simple steps:
Positioning: choose a location for the access point that provides good coverage and is free from obstructions such as walls or metal surfaces.
Cabling: Connect the access point to a router or switch using an Ethernet cable.
Configuration: Configure the access point using the software supplied or the web interface. This includes settings such as SSID (network name), security protocols and channel selection.
Test: Test the connection and make sure that all wireless devices have a stable connection.
Conclusion
Access points are a key component of modern networks that enable wireless connections in large and complex environments. They extend network coverage, increase capacity and provide flexible solutions for a variety of network requirements. With the right understanding and configuration, access points can significantly improve network performance and facilitate access to critical network resources.