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Page 96 / 275 Scroll up to view Page 91 - 95
Vigor2110 Series User’s Guide
89
PPTP Setup
Enable
- Click this radio button to
enable a PPTP client to establish
a tunnel to a DSL modem on the WAN interface.
Disable
– Click this radio button to close the connection through
PPTP.
PPTP
Server
- Specify the IP address of the PPTP/L2TP server if
you enable PPTP/L2TP client mode.
ISP Access Setup
Username
-Type in the username provided by ISP in this field.
Password
-Type in the password provided by ISP in this field.
Index (1-15) in Schedule Setup -
You can type in four sets of time
schedule for your request. All the schedules can be set previously in
Application – Schedule
web page and you can use the number that
you have set in that web page.
PPP Setup
PPP Authentication
- Select
PAP only
or
PAP or CHAP
for PPP.
Idle Timeout
- Set the timeout for breaking down the Internet after
passing through the time without any action.
IP Address
Assignment
Method(IPCP)
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.
WAN IP Network
Settings
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.
Page 97 / 275
Vigor2110 Series User’s Guide
90
4.2 LAN
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.
4.2.1 Basics of LAN
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.
In some special case, you may have a public IP subnet from your ISP such as
220.135.240.0/24. This means that you can set up a public subnet or call second subnet that
each host is equipped with a public IP address. As a part of the public subnet, the Vigor router
will serve for IP routing to help hosts in the public subnet to communicate with other public
hosts or servers outside. Therefore, the router should be set as the gateway for public hosts.
Page 98 / 275
Vigor2110 Series User’s Guide
91
What is Routing Information Protocol (RIP)
Vigor router will exchange routing information with neighboring routers using the RIP to
accomplish IP routing. This allows users to change the information of the router such as IP
address and the routers will automatically inform for each other.
What is Static Route
When you have several subnets in your LAN, sometimes a more effective and quicker way for
connection
is the
Static routes
function rather than other method. You may simply set rules to
forward data from one specified subnet to another specified subnet without the presence of
RIP.
What are Virtual LANs and Rate Control
You can group local hosts by physical ports and create up to 4 virtual LANs. To manage the
communication between different groups, please set up rules in Virtual LAN (VLAN) function
and the rate of each.
Page 99 / 275
Vigor2110 Series User’s Guide
92
4.2.2 General Setup
This page provides you the general settings for LAN.
Click
LAN
to open the LAN settings page and choose
General Setup
.
1st IP Address
Type in private IP address for connecting to a local private network
(Default: 192.168.1.1).
1st Subnet Mask
Type in an address code that determines the size of the network.
(Default: 255.255.255.0/ 24)
For IP Routing Usage
Click
Enable
to invoke this function. The default setting is
Disable
.
2
nd
IP Address
Type in secondary IP address for connecting to a subnet.
(Default: 192.168.2.1/ 24)
2
nd
Subnet Mask
An address code that determines the size of the network.
(Default: 255.255.255.0/ 24)
2
nd
DHCP Server
You can configure the router to serve as a DHCP server for the 2nd
subnet.
Page 100 / 275
Vigor2110 Series User’s Guide
93
Start IP Address:
Enter a value of the IP address pool for the DHCP
server to start with when issuing IP addresses. If the 2nd IP address
of your router is 220.135.240.1, the starting IP address must be
220.135.240.2 or greater, but smaller than 220.135.240.254.
IP Pool Counts:
Enter the number of IP addresses in the pool. The
maximum is 10. For example, if you type 3 and the 2nd IP address of
your router is 220.135.240.1, the range of IP address by the DHCP
server will be from 220.135.240.2 to 220.135.240.11.
MAC Address:
Enter the MAC Address of the host one by one and
click
Add
to create a list of hosts to be assigned, deleted or edited IP
address from above pool. Set a list of MAC Address for 2
nd
DHCP
server will help router to assign the correct IP address of the correct
subnet to the correct host. So those hosts in 2
nd
subnet won’t get an
IP address belonging to 1
st
subnet.
RIP Protocol Control
Disable
deactivates the RIP protocol. It will lead to a stoppage of the
exchange of routing information between routers. (Default)
1st Subnet -
Select the router to change the RIP information of the
1st subnet with neighboring routers.
2nd Subnet -
Select the router to change the RIP information of the
2nd subnet with neighboring routers.
DHCP Server
Configuration
DHCP stands for Dynamic Host Configuration Protocol. The
router by factory default acts a DHCP server for your network so
it automatically dispatch related IP settings to any local user
configured as a DHCP client. It is highly recommended that you
leave the router enabled as a DHCP server if you do not have a
DHCP server for your network.

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