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Chapter 3:Accessing Internet
PPP over ATM (PPPoA) Mode
RDAIUS
Server
AAA
BRAS
STM-1
DSLAM
Loop
Dynamic Public IP
assigned by BRAS
PPPoA+NAT+DHCP
on Private LAN
Hub
ADSL
Router
Ethernet
PC(S)
192.168.1.3
192.168.1.2
PPP over ATM
Default Private IP
192.168.1.1
ISP
(Internet Service Provider)
*BRAS: Broadband
Remote Access Server
Description:
In this deployment environment, the PPPoA session is between the ADSL WAN interface and BRAS.
The ADSL Router gets a public IP address from BRAS when connecting to DSLAM. The multiple
client PCs will get private IP address from the DHCP server enabled on private LAN. The enabled
NAT mechanism will translate the IP information for clients to access the Internet.
Configuration:
1.
Start up your browser and type
192.168.1.1
as the address to enter this ADSL web-based
manager.
2.
Go to
Quick Start -Quick Setup
. Uncheck
Auto Scan Internet Connection (PVC)
. Type in
the
VCI
and
VPI
value. Then click the
Next
button. eg:
VPI – 0
VCI – 38
3.
On the
Configure Internet Connection -Connection Type
page, select the
PPP over ATM
(PPPoA)
then click the
Next
button.
4.
In the
WAN IP Settings
page, select
Obtain an IP address automatically
and check
Enable
NAT
box. Click
Next
.
5.
In the
PPP Username and Password
page, enter the PPP username and password that you got
from your ISP. Select
Dial on Demand
and type in the number for inactivity timeout. The
default is 20. Or select
Always on
. Then click
Next
.
6.
In the
Configure LAN side Settings
page, type in the IP address and subnet mask for your
LAN. Check
DHCP Server on
box. And type in the start and end points. Then type in the
leased time that you want. And click
Next
. eg:
Primary
IP address:192.168.1.1
Subnet Mask:255.255.255.0
Start IP Address:192.168.1.2
End IP Address: 192.168.1.254
7.
Check the network information. Make sure the settings match the settings provided by ISP.
Click
Finish
.
53
Page 62 / 144
ADSL Router User Manual
PPP over ATM (PPPoA) IP Extension Mode
RDAIUS
Server
AAA
BRAS
STM-1
DSLAM
Loop
PPPoA+NAT+DHCP
on Private LAN
Hub
ADSL
Router
Ethernet
PC
PPP over ATM
Default Private IP
192.168.1.1
ISP
(Internet Service Provider)
*BRAS: Broadband
Remote Access Server
Dynamic Public IP
assigned by BRAS
Description:
In this deployment environment, the PPPoA session is between the ADSL WAN interface and BRAS.
The ADSL Router acts as a bridge and gets a public IP address from BRAS for your computer. And
only the one that got the public IP address is allowed to access into Internet. Moreover, no NAT
translation will be done at this case.
Configuration:
1.
Start up your browser and type
192.168.1.1
as the address to enter this ADSL web-based
manager.
2.
Go to
Advanced - Internet - Connections
. And click
Add
.
3.
Type in the
VCI
and
VPI
value. Then click the
Next
button. eg:
VPI – 0
VCI – 38
4.
On the
Configure Internet Connection -Connection Type
page, select the
PPP over ATM
(PPPoA)
then click the
Next
button.
5.
In the
WAN IP Settings
page, select
Obtain an IP address automatically
, uncheck
Enable
NAT
box and check
PPP IP extension
then click
Next
.
6.
In the
PPP Username and Password
page, enter the PPP username and password that you got
from your ISP. Select
Dial on Demand
and type in the number for inactivity timeout. The
default is 20. Or select
Always on
. Then click
Next
.
7.
In the
Configure LAN side Settings
page, type in the IP address and subnet mask for your
LAN. And click
Next
.
eg:
Primary IP address:192.168.1.1
Subnet Mask:255.255.255.0
8.
Check the network information. Make sure the settings match the settings provided by ISP.
Click
Finish
.
54
Page 63 / 144
Chapter 3:Accessing Internet
PPP over Ethernet (PPPoE) Mode
RDAIUS
Server
AAA
BRAS
STM-1
DSLAM
Loop
Dynamic Public IP
assigned by BRAS
PPPoE+NAT+DHCP
on Private LAN
Hub
ADSL
Router
Ethernet
PC(S)
192.168.1.3
192.168.1.2
PPP over Ethernet
Default Private IP
192.168.1.1
*BRAS: Broadband
Remote Access Server
ISP
(Internet Service Provider)
Description:
In this deployment environment, the PPPoE session is between the ADSL WAN interface and BRAS.
The ADSL Router gets a public IP address from BRAS when connecting to DSLAM. The multiple
client PCs will get private IP address from the DHCP server enabled on private LAN. The enabled
NAT mechanism will translate the IP information for clients to access the Internet.
Configuration:
1.
Start up your browser and type
192.168.1.1
as the address to enter this ADSL web-based
manager.
2.
Go to
Quick Start -Quick Setup
. Uncheck
Auto Scan Internet Connection (PVC)
. Type in
the
VCI
and
VPI
value. Then click the
Next
button. eg:
VPI – 0
VCI – 39
3.
On the
Configure Internet Connection -Connection Type
page, select the
PPP over
Ethernet (PPPoE)
then click the
Next
button.
4.
In the
WAN IP Settings
page, select
Obtain an IP address automatically
and check
Enable
NAT
box. Click
Next
.
5.
In the
PPP Username and Password
page, enter the PPP username and password that you got
from your ISP. Select
Dial on Demand
and type in the number for inactivity timeout. The
default is 20. Or select
Always on
. Then click
Next
.
6.
In the
Configure LAN side Settings
page, type in the IP address and subnet mask for your
LAN. Check
DHCP Server on
box. And type in the start and end points. Then type in the
leased time that you want. And click
Next
. eg:
Primary
IP address:192.168.1.1
Subnet Mask:255.255.255.0
Start IP Address:192.168.1.2
End IP Address: 192.168.1.254
7.
Check the network information. Make sure the settings match the settings provided by ISP.
Click
Finish
.
55
Page 64 / 144
ADSL Router User Manual
PPP over Ethernet (PPPoE) IP Extension Mode
RDAIUS
Server
AAA
BRAS
STM-1
DSLAM
Loop
Dynamic Public IP
assigned by BRAS
PPPoE IP
Extension Mode
Hub
ADSL
Router
Ethernet
PC(S)
PPP over Ethernet
Default Private IP
192.168.1.1
*BRAS: Broadband
Remote Access Server
ISP
(Internet Service Provider)
Description:
In this deployment environment, the PPPoE session is between the ADSL WAN interface and BRAS.
The ADSL Router acts as a bridge and gets a public IP address from BRAS for your computer. And
only the one that got the public IP address is allowed to access into Internet. The real IP that you got
is acquired from ISP. Moreover, no NAT translation will be done at this case.
Configuration:
1.
Start up your browser and type
192.168.1.1
as the address to enter this ADSL web-based
manager.
2.
Go to
Advanced - Internet - Connections
. And click
Add
.
3.
Type in the
VCI
and
VPI
value. Then click the
Next
button. eg:
VPI – 0
VCI – 39
4.
On the
Configure Internet Connection -Connection Type
page, select the
PPP over
Ethernet (PPPoE)
then click the
Next
button.
5.
In the
WAN IP Settings
page, select
Obtain an IP address automatically
, uncheck
Enable
NAT
box and check
PPP IP extension
then click
Next
.
6.
In the
PPP Username and Password
page, enter the PPP username and password that you got
from your ISP. Select
Dial on Demand
and type in the number for inactivity timeout. The
default is 20. Or select
Always on
. Then click
Next
.
7.
In the
Configure LAN side Settings
page, type in the IP address and subnet mask for your
LAN. And click
Next
.
eg:
Primary IP address:192.168.1.1
Subnet Mask:255.255.255.0
8.
Check the network information. Make sure the settings match the settings provided by ISP.
Click
Finish
.
56
Page 65 / 144
Chapter 3:Accessing Internet
Numbered IP over ATM (IPoA)
RDAIUS
Server
AAA
BRAS
STM-1
DSLAM
Loop
Public IP Pre-assigned
by ISP
Hub
ADSL
Router
PC(S)
IP over ATM
S/W
Default Private IP
192.168.1.1
*BRAS: Broadband
Remote Access Server
ISP
(Internet Service Provider)
10.3.75.49
10.3.75.51
10.3.75.50
10.3.70.1
Description:
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.
The following example uses the LAN IP address ranging from 10.3.75.49 to 10.3.75.54 and the
subnet mask for LAN is 255.255.255.248. The WAN address is 10.3.70.1, and the subnet mask for
WAN is 255.255.255.252.
Configuration:
1.
Start up your browser and type
192.168.1.1
as the address to enter this ADSL web-based
manager.
2.
Go to
Quick Start -Quick Setup
. Uncheck
Auto Scan Internet Connection (PVC)
. Type in
the
VCI
and
VPI
value. Then click the
Next
button.
VPI – 0
VCI – 32
3.
On the
Configure Internet Connection -Connection Type
page, select the
IP over ATM
(IPoA)
then click the
Next
button.
4.
In the
WAN IP Settings
page, select
Use the following IP address
and type in the IP address,
subnet mask and gateway that you got from ISP. Then, select
Use the following DNS Server
Address
. Type in the Primary DNS server and Secondary DNS server. Uncheck
Enable NAT
.
Click
Next
for next page.
WAN IP Address: 10.3.70.1
WAN Subnet Mask: 255.255.255.252
Primary DNS server: 168.95.1.1
Secondary DNS server: 168.95.192.1
5.
In the
Configure LAN side Settings
page, type in the IP address and subnet mask for your
LAN.
Primary
IP Address
:
192.168.1.1
Subnet mask
:
255.255.255.0
Start IP Address: 192.168.1.2
End IP Address: 192.168.1.254
6.
Check
Configure the second IP Address and Subnet Mask for LAN Interface
and type in
the second IP address and subnet mask. Then click
Next
.
Secondary
IP Address
:
10.3.75.49
Subnet mask
:
255.255.255.248
57

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