# Devices and Interfaces

## Ethernet Devices and Interfaces

### VLAN

## Loopback Interfaces

## WAN Interfaces

There are probably a boatload of devices I know nothing about, but this section should include something on ppp0 (PPP over modem, PPPoE), ippp0 (ISDN), and wan0 (Sangoma T1) types of interfaces.

## Virtual Interfaces

### tun

### tap

### IPIP

### GRE

### CIPE

### IPSec

### dummy

## Grouped Interfaces

### Bonding

### Bridging