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Page 96 / 144 Scroll up to view Page 91 - 95
ADSL Router User Manual
Internet - ADSL Settings
Enable ADSL Port:
Check this box to enable this function. It
simply invokes the line mode that you
choose here for the router.
Select the support of line modes:
There are several selections for your
choosing. Select the one that you need. For
Example, if you want to change one or more
physical layer parameters while the ATU-x is
in data transfer state, and the transmission
errors will not be present, please choose
ADSL2.
Capability Enabled:
Two items are provided here for you to
choose.
Bitswap:
It
is a mandatory receiver initiated feature to
maintain the operating conditions of the
modem during changing environment
conditions. It reallocates the data bits and
power among the allowed carriers without
modification of the higher layer control
parameters in the ATU. After a bit swapping
reconfiguration, the total data rate and the
data rate on each latency path is unchanged.
Check this box to enable the function. If not,
uncheck this box to close the function.
Seamless Rate Adaptation:
It enables the ADSL2 system to change the
data rate of the connection while in operation
without any service interruption or bit errors.
Check this box to enable the function. If not,
uncheck this box to close the function.
IP Routing - Static Route
Routing Table shows all static route status and allows you to add new static IP route or delete IP
route. A Static IP Routing is a manually defined path, which determines the data transmitting route.
If your local network is composed of multiple subnets, you may want to specify a routing path to the
routing table.
Destination Network Address:
Display the IP address that the data
packets
are to be sent.
Netmask:
Display the subnet mask that the data
transmitting is passing through.
Gateway:
Display the gateway that the data
transmitting is passing through.
WAN Interface:
Display the interface that the data
transmitting is passing through.
Delete:
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Chapter 5:Connection Mode
Allow you to remove the selected static route
settings.
Adding a New One
To add a static route, please choose Static Route - Add. Type the destination network address, subnet
mask and gateway that you get from ISP and click
Apply
.
Destination Network Address:
The destination IP address of the network
where data packets are to be sent.
Subnet Mask:
Type in the subnet mask that you got from
ISP.
Gateway IP Address:
Click this button to invoke this function.
Type in the gateway that you got from ISP.
WAN Interface:
Click this button to invoke this function and
choose the one from the drop down menu.
Click
Apply
to view the routing result. This page shows all the routing table of data packets going
through your ADSL Router.
Remove Static Route
If you don’t want the static route that you
created, please click the icon under
Delete
from Routing Table.
A dialog appears to ask you to confirm the
action. Click Yes to remove the static route,
or click No to keep the setting.
Configuring Other Routers on Your LAN
It is essential that all IP packets for devices that are not on the local LAN can be passed to the Router,
so that they can be forwarded to the external LAN, WAN, or Internet. To achieve this, the local LAN
must be configured to use the Router as the default route or default gateway.
Local Router
The local router is the Router installed on the same LAN segment as the Router. This router requires
that the default route is the Router itself. Typically, routers have a special entry for the default route.
It should be configured as follows.
Destination:
Normally 0.0.0.0 but check your router documentation.
Subnet Mask:
Normally 0.0.0.0 but check your router documentation.
Gateway:
The IP Address of the Router.
Other Routers on the Local LAN
Other routers on the local LAN must use the Router’s Local Router as the Default Route. The entries
will be the same as the Router’s local router, with the exception of the Gateway IP Address.
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ADSL Router User Manual
±
For a router with a direct connection to the Router’s local Router, the Gateway IP Address is
the address of the Router’s local router.
±
For routers which must forward packets to another router before reaching the Router’s local
router, the Gateway IP Address is the address of the intermediate router.
Example – Static Route
Here provides you an example of Static Route.
For the Router’s Routing Table
For the LAN shown above, with 2 routers and 3 LAN segments, the Router requires to add 2 static
routes as follows:
ADSL Router
Destination
192.168.10.0
Subnet Mask
255.255.255.0 (Standard Class C)
Gateway
192.168.1.254 (Router B)
IP Routing – Dynamic Routing
Routing Information Protocol (RIP) is utilized as a means of exchanging routing information
between routers. It helps the routers to determine optimal routes. This page allows you to
enable/disable this function.
RIP Version:
It incorporates the RIP information when
receiving and broadcasting the RIP packets.
From the drop down list, select a RIP version
to be accepted, 1, 2 or both.
Operation Mode:
There are two modes for you to choose,
Active and Passive. Select Active for
transmitting and receiving data, or select
Passive for receiving data only.
Enabled:
Click Enabled to enable the RIP function on
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Chapter 5:Connection Mode
different interface. Otherwise, disable this
function.
Click
Apply
to invoke the settings set here.
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ADSL Router User Manual
Virtual Server-Port Forwarding
The Router implements NAT to let your entire local network appear as a single machine to the
Internet. The typical situation is that you have local servers for different services and you want to
make them publicly accessible. With NAT applied, it will translate the internal IP addresses of these
servers to a single IP address that is unique on the Internet. NAT function not only eliminates the
need for multiple public IP addresses but also provides a measure of security for your LAN.
When the router receives an incoming IP packet requesting for access to your local server, the router
will recognize the service type according to the port number in this packet (e.g., port 80 indicates
HTTP service and port 21 indicates FTP service). By specifying the port number, you tell the router
which service should be forwarded to the local IP address you specify.
After you setting the virtual server you should modify the filter rule whichever port and service you
set on virtual server. Because the firewall has protect the route by filter rule so that you should
update the filter rule after you set up virtual server.
Virtual Server allows you to make servers on your LAN accessible to Internet users. Normally,
Internet users would not be able to access a server on your LAN because:
±
Your server does not have a valid external IP Address.
±
Attempts to connect to devices on your LAN are blocked by the firewall in this device.
The Virtual Server feature solves these problems and allows Internet users to connect to your servers,
as illustrated below:
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