ZyXEL Communications P-870HN-51B - V1.0 Manual page 23

WAN services over one ADSL or VDSL line. The ZyXEL Device cannot work in ADSL
and VDSL mode at the same time.
Figure 1 ZyXEL Device's Internet Access Application
LAN
You can also configure IP filtering on the ZyXEL 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 your network. This means that probes
from the outside to your network are not allowed, but you can safely browse the
Internet and download files.
P-870HN-51b User's Guide
Chapter 1 Introducing the ZyXEL Device
WAN
Bridging
IPoE
PPPoE
ADSL / VDSL
WAN
IPoA / PPPoA
ADSL
Internet
Internet
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