ZyXEL Communications NBG420N - Manual (Page 32)

Chapter 1 Getting to Know Your NBG420N
NBG420N User’s Guide
32
1.3 AP Mode
Select AP Mode if you already have a router or gateway on your network which provides
network services such as a firewall or bandwidth management.
The following figure shows computers in a WLAN connecting to the NBG420N, which acts as
an access point (A). The NBG420N allows the wireless computers to share the same Internet
access as the other computers connected to the router (B) on the same network.
Figure 2 Wireless Internet Access in AP Mode
1.4 Router Features vs. AP Features
The following table shows which features are available in Router or AP Mode.
A
B
Table 1 Features Available in Router Mode vs. AP Mode
FEATURE ROUTER MODE AP MODE
DHCP
This allows individual clients to obtain IP addresses at start-
up from a DHCP server.
YES NO
Firewall
This establishes a network security barrier, protecting your
network from attacks and controlling access between your
network and the Internet.
YES NO
Bandwidth Management
This allows you to allocate network bandwidth to specific
applications and or subnets.
YES NO
Any IP
This allows a computer to access the NBG420N when the
IP addresses of the computer and the NBG420N are not in
the same subnet.)
YES NO
VPN
A virtual private network (VPN) provides secure
communications between sites without the expense of
leased site-to-site lines.
YES NO
Wireless
This allows two or more devices to communicate without
wires, based on IEEE 802.11 wireless standards.
YES YES