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Page 91 / 275 Scroll up to view Page 86 - 90
Vigor2110 Series User’s Guide
84
What are Public IP Address and Private IP Address
As the router plays a role to manage and further protect its LAN, it interconnects groups of
host PCs. Each of them has a private IP address assigned by the built-in DHCP server of the
Vigor router. The router itself will also use the default
private IP
address: 192.168.1.1 to
communicate with the local hosts. Meanwhile, Vigor router will communicate with other
network devices through a
public IP
address. When the data flow passing through, the
Network Address Translation (NAT) function of the router will dedicate to translate
public/private addresses, and the packets will be delivered to the correct host PC in the local
area network. Thus, all the host PCs can share a common Internet connection.
Get Your Public IP Address from ISP
In ADSL deployment, the PPP (Point to Point)-style authentication and authorization is
required for bridging customer premises equipment (CPE). Point to Point Protocol over
Ethernet (PPPoE) connects a network of hosts via an access device to a remote access
concentrator or aggregation concentrator. This implementation provides users with significant
ease of use. Meanwhile it provides access control, billing, and type of service according to
user requirement.
When a router begins to connect to your ISP, a serial of discovery process will occur to ask for
a connection. Then a session will be created. Your user ID and password is authenticated via
PAP
or
CHAP
with
RADIUS
authentication system. And your IP address, DNS server, and
other related information will usually be assigned by your ISP.
Below shows the menu items for Internet Access.
4.1.2 PPPoE
To choose PPPoE as the accessing protocol of the internet, please select
PPPoE
from the
Internet Access
menu. The following web page will be shown.
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Vigor2110 Series User’s Guide
85
Enable/Disable
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.
ISP Access Setup
Enter your allocated username, password and authentication
parameters according to the information provided by your ISP.
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.
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.
PPP/MP Setup
PPP Authentication
– Select
PAP only
or
PAP or CHAP
for PPP.
If you want to connect to Internet all the time, you can check
Always On
.
Idle Timeout
– Set the timeout for breaking down the Internet after
passing through the time without any action.
IP Address
Assignment Method
(IPCP)
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.
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. Notice that this setting is available for WAN1 only.
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Vigor2110 Series User’s Guide
86
Fixed IP
– Click
Yes
to use this function and type in a fixed IP
address in the box of
Fixed IP Address
.
Default MAC Address
– You can use
Default MAC Address
or
specify another MAC address by typing on the boxes of MAC
Address for the router.
Specify a MAC Address –
Type the MAC address for the router
manually.
After finishing all the settings here, please click
OK
to activate them.
4.1.3 Static or Dynamic IP
For static IP mode, you usually receive a fixed public IP address or a public subnet, namely
multiple public IP addresses from your DSL or Cable ISP service providers. In most cases, a
Cable service provider will offer a fixed public IP, while a DSL service provider will offer a
public subnet. If you have a public subnet, you could assign an IP address or many IP address
to the WAN interface.
To use
Static or Dynamic IP
as the accessing protocol of the internet, please choose
Static or
Dynamic IP
mode from
Internet Access
menu. The following web page will be shown.
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Vigor2110 Series User’s Guide
87
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
88
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.
4.1.4 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.

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