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Page 36 / 275 Scroll up to view Page 31 - 35
Vigor2110 Series User’s Guide
29
Access Control
Click
Enable
for activating this function. If you click
Disable
,
this function will be closed and all the settings that you adjusted
in this page will be invalid.
Keep WAN
Connection
Normally, this function is designed for Dynamic IP environments
because some ISPs will drop connections if there is no traffic
within certain periods of time. Check
Enable PING to keep alive
box to activate this function.
PING to the IP
- If you enable the PING function, please specify
the IP address for the system to PING it for keeping alive.
PING Interval
- Enter the interval for the system to execute the
PING operation.
WAN Physical Type
Choose
Auto negotiation
as the physical type for your router.
WAN Connection
Detection
Such function allows you to verify whether network connection
is alive or not through ARP Detect or Ping Detect.
Mode
– Choose
ARP Detect
or
Ping Detect
for the system to
execute for WAN detection.
Ping IP
– If you choose Ping Detect as detection mode, you have
to type IP address in this field for pinging.
TTL (Time to Live)
– Displays value for your reference. TTL
value is set by telnet command.
RIP Protocol
Routing Information Protocol is abbreviated as RIP
（
RFC1058
）
specifying how routers exchange routing tables information. Click
Enable RIP
for activating this function.
WAN IP Network
Settings
This group allows you to obtain an IP address automatically and
allows you type in IP address manually.
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Vigor2110 Series User’s Guide
30
WAN IP Alias
- If you have multiple public IP addresses and would
like to utilize them on the WAN interface, please use WAN IP Alias.
You can set up to 8 public IP addresses other than the current one
you are using.
Obtain an IP address automatically
– Click this button to obtain
the IP address automatically if you want to use
Dynamic IP
mode.
Router Name
:
Type in the router name provided by ISP.
Domain Name
:
Type in the domain name that you have assigned.
Specify an IP address
– Click this radio button to specify some data
if you want to use
Static IP
mode.
IP Address
:
Type the IP address.
Subnet Mask
:
Type the subnet mask.
Gateway IP Address
:
Type the gateway IP address.
Default MAC Address
: Click this radio button to use default MAC
address for the router.
Specify a MAC Address
: Some Cable service providers specify a
specific MAC address for access authentication. In such cases you
need to click the
Specify a MAC Address
and enter the MAC
address in the MAC Address field.
DNS Server IP
Address
Type in the primary IP address for the router if you want to use
Static IP
mode. If necessary, type in secondary IP address for
necessity in the future.
3.1.4 PPTP/L2TP
To use
PPTP/L2TP
as the accessing protocol of the internet, please choose
PPTP/L2TP
from
Internet Access
menu. The following web page will be shown.
Page 38 / 275
Vigor2110 Series User’s Guide
31
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 39 / 275
Vigor2110 Series User’s Guide
32
3.2 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.
3.2.1 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 40 / 275
Vigor2110 Series User’s Guide
33
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.
3.2.2 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
.

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