Setting Up MikroTik Router As A VPN Server Step-by-Step Tutorial

PPPoe is an acronym that stands for Point-to-Point Protocol over Ethernet. It is a network protocol used for encapsulating PPP frames in Ethernet frames. The PPPoE protocol is often used by Internet Service Providers (ISPs) to provide Internet access to users via a broadband connection.

The PPPoE protocol has several advantages over other methods of delivering Internet access, including:

Security: PPPoE is a secure protocol that encrypts all user data that is transmitted over the Internet, thereby protecting sensitive information from being intercepted by hackers.
Flexibility: PPPoE can be used over various types of physical media, including copper wires, optical fibers, and wireless networks.
Scalability: PPPoE can be easily scaled to accommodate new users, making it an ideal protocol for growing networks and ISPs.
Reliability: PPPoE is a reliable protocol that uses error-checking and correction mechanisms to ensure that data is transmitted correctly and without errors.

How PPPoE Works

The PPPoE protocol works by encapsulating PPP frames in Ethernet frames. This allows ISPs to transmit PPP frames over Ethernet networks, thereby providing Internet access to users over broadband connections.

The PPPoE protocol is typically used in the following way:

The user's computer sends a PPPoE discovery packet to the ISP's server, requesting to establish a PPPoE session.
The ISP's server responds with a PPPoE offer packet, which includes information about the available services and parameters.
The user's computer sends a PPPoE request packet, which indicates that it has accepted the offer and is ready to establish a PPPoE session.
The ISP's server responds with a PPPoE session packet, which includes the PPPoE session ID and other relevant information.
Once the PPPoE session has been established, the user's computer can then send and receive PPP frames over the PPPoE connection, allowing it to access the Internet.

Configuring PPPoE on a MikroTik Router

MikroTik routers are a popular choice for ISPs that provide broadband Internet access to users via PPPoE. To configure a MikroTik router for PPPoE authentication, follow these steps:

Open the MikroTik RouterOS Web Interface and navigate to the PPP menu.
Click the PPPoE tab and then click the Add button to create a new PPPoE configuration.
In the General tab, enter the Username and Password that the user will use to authenticate with the ISP's server.
In the Dial Out tab, enter the ISP's server IP address and the VLAN ID (if required).
In the Dial In tab, enter the local network interface that the PPPoE connection will use, and enter a local IP address and subnet mask for the router.
Click the Apply button to save the configuration.

Once the PPPoE configuration has been created, the MikroTik router will automatically establish a PPPoE connection with the ISP's server and provide Internet access to connected devices on the local network.

Conclusion

PPPoE is a powerful protocol that is used by many ISPs to provide Internet access to users over broadband connections. With its advanced security features, flexibility, scalability, and reliability, PPPoE is an ideal protocol for growing networks and ISPs.

By following the steps outlined above, you can easily configure a MikroTik router for PPPoE authentication and provide Internet access to your customers. If you have any questions or need further assistance, please consult the MikroTik RouterOS documentation or contact a professional IT consultant.