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Chapter 3: Connection Mode
7
Router Mode
BRAS
Κ
Broadband Remote Access Server
RADIUS
Server
IP over ATM
Public IP(s)
Pre-assigned
by ISP (+ NAT)
by ISP (+ NAT)
PC(s)
BRAS
STM-1
DSLAM
ADSL
Router
Loop
ISP
Default Private IP
192.168.100.100 for
Management
AAA
Hub
Description:
In this deployment environment, we make up a private IP network of 192.168.100.100. NAT function is enabled (on
ADSL Router or use another NAT box connected to hub) to support multiple clients to access the Router and some
public servers (WWW, FTP).
In this deployment environment, we make up a private IP network of 192.168.100.100. NAT function is enabled (on
ADSL Router or use another NAT box connected to hub) to support multiple clients to access the Router and some
public servers (WWW, FTP).
If you apply for multiple IP addresses from your ISP, you can assign these public IP addresses to the ADSL Router
and public server, e.g., Web or FTP server. Typically the first IP is network address, the second is used as router IP
address and the last one is subnet broadcasting. Other remaining IP addresses can be assigned to PCs on the LAN.
and public server, e.g., Web or FTP server. Typically the first IP is network address, the second is used as router IP
address and the last one is subnet broadcasting. Other remaining IP addresses can be assigned to PCs on the LAN.
For example: You are given the IP addresses 10.251.2.0 ~ 10.251.2.7. Then:
10.251.2.0 is network IP address
10.251.2.1 is assigned to router IP address.
10.251.2.7 is subnet broadcasting
10.251.2.2~10.251.2.6 can be assigned to public servers on the LAN.
10.251.2.7 is subnet broadcasting
10.251.2.2~10.251.2.6 can be assigned to public servers on the LAN.
Configuration:
1.
1.
Start up your browser and type 192.168.100.100 as the address to enter this ADSL web-based manager.
2. Go
to Configuration > WAN Configuration > Create a new PVC. and select the Data Mode –RFC1483
Routed. Then click Next button.
3.
Enter the VPI/VCI values provided by your ISP and select the encapsulation type as LLC/SNAP or VC MUX.
Then click Apply.
Then click Apply.
4.
Set IP configuration for Local WAN IP Address. Choose Specify an IP Address item. Please set as the
following example,
IP Address: 10.3.80.105(should be the one that you get from ISP)
Subnet Mask: 255.255.255.248(should be the one that you get from ISP)
Check on Enable NAT on this interface and click Apply.
following example,
IP Address: 10.3.80.105(should be the one that you get from ISP)
Subnet Mask: 255.255.255.248(should be the one that you get from ISP)
Check on Enable NAT on this interface and click Apply.
5. Go
to Configuration > LAN Configuration and set as the following
Primary IP: 192.168.100.100, Subnet Mask: 255.255.255.0
Secondary IP: 10.3.80.105, Subnet Mask: 255.255.255.248
(should be the one that you get from ISP)
Then click Apply.
Secondary IP: 10.3.80.105, Subnet Mask: 255.255.255.248
(should be the one that you get from ISP)
Then click Apply.
6. Go
to Configuration > IP Route and click Create a New Route to add a new route.
Destination Address:
leave default
Netmask:
leave
default
Forward packets to:
Interface
Then click Apply.
7. Go
to Configuration > DNS and enable DNS Relay setting and click Next. On the DNS Relay web page, enter
the DNS Server IP address, for example 168.95.1.1 (you should get this value from your ISP).
8.
Save the configuration from System >Save Configuration and System >Restart to restart your router for
initiating these settings.
initiating these settings.