Applications For The Device; Internet Access - ZyXEL Communications VMG4380-B10A User Manual

Chapter 1 Introducing the Device
• Back up the configuration (and make sure you know how to restore it). Restoring an earlier
working configuration may be useful if the device becomes unstable or even crashes. If you
forget your password, you will have to reset the Device to its factory default settings. If you
backed up an earlier configuration file, you would not have to totally re-configure the Device. You
could simply restore your last configuration.

1.4 Applications for the Device

Here are some example uses for which the Device is well suited.

1.4.1 Internet Access

Your Device provides shared Internet access by connecting the DSL port to the DSL or MODEM
jack on a splitter or your telephone jack. You can have multiple WAN services over one ADSL or
VDSL. The Device cannot work in ADSL and VDSL mode at the same time.
Note: The ADSL and VDSL lines share the same WAN (layer-2) interfaces that you
configure in the Device. Refer to
> Broadband screen.
Computers can connect to the Device's LAN ports (or wirelessly).
Figure 1 Device's Internet Access Application
WLAN
LAN
WLAN
LAN
You can also configure IP filtering on the Device for secure Internet access. When the IP filter is on,
all incoming traffic from the Internet to your network is blocked by default unless it is initiated from
18
Section 6.2 on page 79
Bridging
IPoE
PPPoE
ADSL / VDSL
A
Bridging
PPPoE
IPoE
PPPoA
IPoA
ADSL
A
VMG4380-B10A / VMG4325-B10A User's Guide
for the Network Setting
WAN
WAN