What is PPPoE?

Point to Point Protocol over Ethernet (PPPoE) is network protocols that allow data communication between two network entities or points, which supports network layer protocols including IPv4 and IPv6. PPP supports three types of user authentication protocols that provide varying levels of security.

1. PAP

2. CHAP

3. EAP

PAP

1. Clear text

2. Less secure

3. Two way handshake method

    Auth. Request

    Auth. Acknowledgment

4. No periodic Check up

CHAP

1. Encrypted

2. High secure

3. Three way handshake method

    Challenge

    Response

    Success

4. Periodical Check up

Extensible Authentication Protocol (EAP) is most commonly used for authentication on wireless networks