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Vigor2900 Series User’s Guide
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2
nd
DHCP Server
You can configure the router to serve as a DHCP server for the 2nd
subnet.
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 220.135.240.4.
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
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Vigor2900 Series User’s Guide
26
DHCP server for your network.
If you want to use another DHCP server in the network other than
the Vigor Router’s, you can let Relay Agent help you to redirect the
DHCP request to the specified location.
Enable Server -
Let the router assign IP address to every host in the
LAN.
Disable Server –
Let you manually assign IP address to every host
in the LAN.
Relay Agent – (1
st
subnet/2
nd
subnet)
Specify which subnet that
DHCP server is located the relay agent should redirect the DHCP
request to.
Start IP Address -
Enter a value of the IP address pool for the
DHCP server to start with when issuing IP addresses. If the 1st IP
address of your router is 192.168.1.1, the starting IP address must be
192.168.1.2 or greater, but smaller than 192.168.1.254.
IP Pool Counts -
Enter the maximum number of PCs that you want
the DHCP server to assign IP addresses to. The default is 50 and the
maximum is 253.
Gateway IP Address -
Enter a value of the gateway IP address for
the DHCP server. The value is usually as same as the 1st IP address
of the router, which means the router is the default gateway.
DHCP Server IP Address for Relay Agent -
Set the IP address of
the DHCP server you are going to use so the Relay Agent can help to
forward the DHCP request to the DHCP server.
DNS Server
Configuration
DNS stands for Domain Name System. Every Internet host must
have a unique IP address, also they may have a human-friendly,
easy to remember name such as www.yahoo.com. The DNS server
converts the user-friendly name into its equivalent IP address
.
Primary IP Address -
You must specify a DNS server IP address
here because your ISP should provide you with usually more than
one DNS Server. If your ISP does not provide it, the router will
automatically apply default DNS Server IP address: 194.109.6.66 to
this field.
Secondary IP Address -
You can specify secondary DNS server IP
address here because your ISP often provides you more than one
DNS Server. If your ISP does not provide it, the router will
automatically apply default secondary DNS Server IP address:
194.98.0.1 to this field.
The default DNS Server IP address can be found via Online Status:
If both the Primary IP and Secondary IP Address fields are left empty,
the router will assign its own IP address to local users as a DNS
proxy server and maintain a DNS cache.
If the IP address of a domain name is already in the DNS cache, the
router will resolve the domain name immediately. Otherwise, the
router forwards the DNS query packet to the external DNS server by
establishing a WAN (e.g. DSL/Cable) connection.
There are two common scenarios of LAN settings that stated in Chapter 4. For the
configuration examples, please refer to that chapter to get more information for your necessity.
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2.4 ISDN Setup
ISDN stands for Integrated Services Digital Network. It is an international communications
standard for sending voice, video, and data over digital telephone lines or normal telephone
wires.
Note: The following is available for
Vigor2900VGi/Vi
only.
ISDN Port
Click
Enable
to open the ISDN port and
Disable
to close
it.
Country Code
For proper operation on your local ISDN network, you
should choose the correct country code.
Own Number
Enter your ISDN number. Every outgoing call will carry
the number to the receiver.
MSN Numbers for the Router
MSN Numbers
mean that the router is able to accept only
number-matched incoming calls. In addition, MSN
services should be supported by local ISDN network
provider. The router provides three fields for MSN
numbers. Note that MSN services must be acquired from
your local telecommunication operators. By default, MSN
function is disabled. If you leave the fields blank, all
incoming calls will be accepted without number matching.
Blocked MSN Numbers for the
router
Enter the specified MSN number into the fields to
prevent the router from dialing the specific MSN
number.
For example, DrayTek provides the
Remote Activation
(refer to section 3.2) feature for the
teleworkers who wish to dial in the head office over the ISDN. With this feature, teleworkers
can make a phone call to the router at the head office and ask the router to dial up the ISP. As
a result, the teleworkers can be authorized with their office accounts to utilize ISDN dial-up
services and both sides can thus engage in secure communication over the LAN-to-LAN
ISDN.
The ISDN interface of Vigor2900VGi and Vigor2900Vi routers supports the
VTA
(
Virtual
Terminal Adapter,
please refer to section 2.8) feature. VTA is actually a “CAPI” software,
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Vigor2900 Series User’s Guide
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which can simulate a real ISDN terminal adapter installed on your computer. You can install
the CAPI-compliant software for dial-up networking, fax or voice applications depending on
the functionality of the CAPI software you installed. To employ the VTA feature, please
download the VTA drivers (available only to Windows 98SE/2000/XP) from
2.5 Wireless LAN Setup
Note: The following is available for
G
models only.
2.5.1 Basic Concepts
Over recent years, the market for wireless communications has enjoyed tremendous growth.
Wireless technology now reaches or is capable of reaching virtually every location on the
surface of the earth. Hundreds of millions of people exchange information every day via
wireless communication products. The Vigor G model, a.k.a. Vigor wireless router, is
designed for maximum flexibility and efficiency of a small office/home. Any authorized staff
can bring a built-in WLAN client PDA or notebook into a meeting room for conference
without laying a clot of LAN cable or drilling holes everywhere. Wireless LAN enables high
mobility so WLAN users can simultaneously access all LAN facilities just like on a wired
LAN as well as Internet access.
The Vigor wireless routers are equipped with a wireless LAN interface compliant with the
standard IEEE 802.11g protocol. To boost its performance further, the Vigor Router is also
loaded with advanced wireless technology Super G
TM
to lift up data rate up to 108 Mbps*.
Hence, you can finally smoothly enjoy stream music and video.
Note:
*
The actual data throughput will vary according to the network conditions
and environmental factors, including volume of network traffic, network overhead
and building materials.
In an Infrastructure Mode of wireless network, Vigor wireless router plays a role as an Access
Point (AP) connecting to lots of wireless clients or Stations (STA). All the STAs will share the
same Internet connection via Vigor wireless router. The
General Settings
will set up the
information of this wireless network, including its SSID as identification, located channel etc.
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Vigor2900 Series User’s Guide
29
Security Overview
Real-time Hardware Encryption:
Vigor Router is equipped with a hardware AES encryption
engine so it can apply the highest protection to your data without influencing user experience.
Complete Security Standard Selection:
To ensure the security and privacy of your wireless
communication, we provide several prevailing standards on market.
WEP (Wired Equivalent Privacy) is a legacy method to encrypt each frame transmitted via
radio using either a 64-bit or128-bit key. Usually access point will preset a set of four keys and
it will communicate with each station using only one out of the four keys.
WPA(Wi-Fi Protected Access), the most dominating security mechanism in industry, is
separated into two categories: WPA-personal or called WPA Pre-Share Key (WPA/PSK), and
WPA-Enterprise or called WPA/802.1x.
In WPA-Personal, a pre-defined key is used for encryption during data transmission. WPA
applies Temporal Key Integrity Protocol (TKIP) for data encryption while WPA2 applies AES.
The WPA-Enterprise combines not only encryption but also authentication.
Since WEP has been proved vulnerable, you may consider using WPA for the most secure
connection. You should select the appropriate security mechanism according to your needs.
No matter which security suite you select, they all will enhance the over-the-air data
protection and /or privacy on your wireless network. The Vigor wireless router is very flexible
and can support multiple secure connections with both WEP and WPA at the same time.
Example 1
Example 2

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