Lan; Basics Of Lan - Draytek Vigor 2110 Series User Manual

IP Address
Assignment
Method(IPCP)
WAN IP Network
Settings
3 . 2 L A N
3 . 2 L A N
Local Area Network (LAN) is a group of subnets regulated and ruled by router. The design of
network structure is related to what type of public IP addresses coming from your ISP.
3 . 2 . 1 B a s i c s
3 . 2 . 1 B a s i c s
The most generic function of Vigor router is NAT. It creates a private subnet of your own. As
mentioned previously, the router will talk to other public hosts on the Internet by using public
IP address and talking to local hosts by using its private IP address. What NAT does is to
translate the packets from public IP address to private IP address to forward the right packets
to the right host and vice versa. Besides, Vigor router has a built-in DHCP server that assigns
private IP address to each local host. See the following diagram for a briefly understanding.
Fixed IP - Usually ISP dynamically assigns IP address to you each
time you connect to it and request. In some case, your ISP provides
service to always assign you the same IP address whenever you
request. In this case, you can fill in this IP address in the Fixed IP
field. Please contact your ISP before you want to use this function.
Click Yes to use this function and type in a fixed IP address in the
box.
Fixed IP Address -Type a fixed IP address.
Obtain an IP address automatically – Click this button to obtain
the IP address automatically.
Specify an IP address – Click this radio button to specify some data.
IP Address – Type the IP address.
Subnet Mask – Type the subnet mask.
o f L A N
o f L A N
28 Vigor2110 Series User's Guide