Question

What added functionality does a router have that an access point does not?

Answer 1

A router and an access point (AP) serve different roles in a network, and there are several functionalities that a router typically has that an access point does not. Here are some key added functionalities of a router:

1. **Routing**: A router directs data packets between different networks based on IP addresses. It connects multiple devices and enables communication between different networks (e.g., your local home network and the internet).

2. **Network Address Translation (NAT)**: Routers use NAT to allow multiple devices on a local network to share a single public IP address. This is important for conserving IP addresses and enhancing security.

3. **DHCP Server**: Routers can act as a Dynamic Host Configuration Protocol (DHCP) server, automatically assigning IP addresses to devices on the network, which helps manage IP address allocation efficiently.

4. **Firewall Functionality**: Most routers include built-in firewall features that help protect the network by blocking unauthorized access and filtering traffic.

5. **WAN Connectivity**: Routers typically have a WAN (Wide Area Network) port for connecting to the internet through a modem, allowing access to external networks.

6. **Quality of Service (QoS)**: Many routers feature QoS settings that prioritize certain types of traffic (like video streaming or gaming) to ensure better performance based on the type of data being transmitted.

7. **VPN Support**: Routers can provide Virtual Private Network (VPN) functionality, allowing secure remote access to the network and data encryption for connections over the internet.

8. **Advanced Security Features**: Routers may include various security features, such as WPA3 encryption, guest network capabilities, and intrusion detection/prevention systems.

9. **Traffic Management and Monitoring**: Routers often come with user interfaces for monitoring network traffic, managing bandwidth, and configuring parental controls or content filtering.

In contrast, an access point primarily serves to extend a wireless network, allowing devices to connect wirelessly to the network but does not manage traffic or routes data between different networks. It relies on a router for those functionalities.