PPP Link Control Protocol LCP
PPP LCP Features:
| Function | LCP Feature | Description |
|---|---|---|
| Looped link detection | Magic number | Detects if the link is looped, and disables the interface, allowing rerouting over a working route. |
| Error detection | Link Quality Monitoring (LQM) | Disables an interface that exceeds an error percentage threshold, allowing rerouting over better routes. |
| Multilink support | Multilink PPP | Load-balances traffic over multiple parallel links |
| Authentication | PAP and CHAP | Exchanges names and passwords so that each device can verify the identity of the device on the other end of the link. |