Chapter 4: Connection Mode
Bridge Mode
BRAS Broadband Remote Access Server
PPPoE
Client S/W
RADIUS
Server
PPP over Ethernet
Bridge
Mode
PC(s)
BRAS
STM-1
DSLAM
ADSL
Router
Loop
ISP
AAA
Default Private IP
192.168.1.1
Public IP assigned
by BRAS
Hub
Description:
In this example, the ADSL Router acts as a bridge which bridging PC IP address from LAN to WAN. PC IP address
can be a static public address that is pre-assigned by ISP or a dynamic public address that is assigned by ISP DHCP
server, or can be got from PPPoE software.
Therefore, it does not require a public IP address. It only has a default private IP address (192.168.1.1) for
management purpose.
Configuration:
1.
Choose a client PC and set the IP as 192.168.1.x (x is between 2 and 254) and the gateway as 192.168.1.1. Or
enter the IP address that came from the ISP DHCP server of the Router.
2.
Start up your browser and type
192.168.1.1
as the address to enter the web-based manager.
3. Go
to
Advanced User > Configuration >WAN Configuration > Create a New PVC
and select the Data
Mode –
RFC1483 Bridged
. Then click
Next
button.
4.
Enter the VPI/VCI values provided by your ISP and select the encapsulation type as
LLC/SNAP
or
VC MUX
.
Then click
Apply
.
5.
Save the configuration from
System
>
Save Configuration
and
System
>
Restart
to restart your router for
initiating these settings.
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