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Vigor2130 Series User’s Guide
102
Modem Initial String1/2 Such value is used to initialize USB modem. Please use the
default value. If you have any question, please contact to your
ISP.
APN Name
APN means Access Point Name which is provided and
required by some ISPs.
Modem Dial String Such value is used to dial through USB mode. Please use the
default value. If you have any question, please contact to your
ISP.
PPP Username Type the PPP username (optional).
PPP Password Type the PPP password (optional).
Clone MAC Address It is available when the box of Enable is checked. Click Clone
MAC Address. The result will be displayed in the field of
MAC Address.
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.
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.