Vigor2912 Series User’s Guide
123
Dest Port End
Type the destination port end for the destination IP. If this
field is blank, it means that all the destination ports will be
passed through the WAN interface.
When you finish the configuration, please click OK to save and exit this page.
4
4
.
.
2
2
L
L
A
A
N
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.
4
4
.
.
2
2
.
.
1
1
B
B
a
a
s
s
i
i
c
c
s
s
o
o
f
f
L
L
A
A
N
N
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.
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