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STEP 3:
Choose an Encapsulation mode.
Choosing different connection types provides different encapsulation modes.
PPPoA- VC/MUX, LLC/ENCAPSULATION
PPPoE- LLC/SNAP BRIDGING, VC/MUX
MER- LLC/SNAP-BRIDGING, VC/MUX
IPoA- LLC/SNAP-ROUTING, VC MUX
Bridging- LLC/SNAP-BRIDGING, VC/MUX
NOTE:
Subsections 4.2.1 - 4.2.4 describe the PVC setup procedure further.
Choosing different connection types pops up different settings requests.
Enter appropriate settings that are required by your service provider.
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4.2.1
PPP over ATM (PPPoA) and PPP over Ethernet (PPPoE)
STEP 4:
Select the PPP over ATM (PPPoA) or PPP over Ethernet (PPPoE) radio
button and click
Next
.
The following screen appears.
Enable Fullcone NAT
Known as one-to-one NAT, all requests from the same internal IP address and
port are mapped to the same external IP address and port. An external host can
send a packet to the internal host, by sending a packet to the mapped external
address.
PPP Username/PPP Password
The PPP Username and the PPP password requirement are dependent on the
particular requirements of the ISP or the ADSL service provider. The WEB user
interface allows a maximum of 256 characters in the PPP user name and a maximum
of 32 characters in PPP password.
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Disconnect if no activity
The router can be configured to disconnect if there is no activity for a period of time
by selecting the
Dial on demand
check box. When the checkbox is ticked, you need
to enter the inactivity timeout period.
The timeout period ranges from 1 minute to
4320 minutes.
PPP IP Extension
The PPP IP Extension is a special feature deployed by some service providers.
Unless your service provider specially requires this setup, do not select it.
The PPP IP Extension supports the following conditions:
Allows only one PC on the LAN
The public IP address assigned by the remote side using the PPP/IPCP protocol
is actually not used on the WAN PPP interface.
Instead, it is forwarded to the PC
LAN interface through DHCP.
Only one PC on the LAN can be connected to the
remote, since the DHCP server within the ADSL router has a single IP address to
assign to a LAN device.
NAPT and firewall are disabled when this option is selected.
The ADSL router becomes the default gateway and DNS server to the PC through
DHCP using the LAN interface IP address.
The ADSL router extends the IP subnet at the remote service provider to the LAN
PC.
That is, the PC becomes a host belonging to the same IP subnet.
The ADSL router bridges the IP packets between WAN and LAN ports, unless the
packet is addressed to the router’s LAN IP address.
Use Static IP Address
Unless your service provider specially requires this setup, do not select it.
If selected, enter your static IP address.
Retry PPP password on authentication error
Tick the box to select.
Enable PPP Debug Mode
Enable the PPPoE debug mode. The system will put more PPP connection
information in System Log.
This is used for debugging purposes.
Bridge PPPoE Frames Between WAN and Local Ports (Default Enabled)
If Enabled, the function can create a local PPPoE connection to the WAN side.
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STEP 5:
Click
Next
to display the following screen.
Enable IGMP Multicast checkbox:
Tick the checkbox to enable IGMP multicast (proxy).
IGMP (Internet Group
Membership Protocol) is a protocol used by IP hosts to report their multicast group
memberships to any immediately neighboring multicast routers.
Enable WAN Service checkbox:
Tick this item to enable the ATM service.
Untick it to stop the ATM service.
Service Name:
This is user-defined.
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STEP 6:
After entering your settings, select
Next
.
The following screen appears.
This screen allows the user to configure the LAN interface IP address, subnet mask
and DHCP server.
To assign dynamic IP address, DNS server and default gateway
to other LAN devices, select the button
Enable DHCP server on the LAN
and enter
the start and end IP addresses and DHCP leased time.
Since the router occupies the first two IP addresses (192.168.1.1 and 192.168.1.2),
the default private address range provided by the ISP server in the router is
192.168.1.3 through 192.168.1.254.
To configure a secondary IP address for the LAN port, click the checkbox, as shown.

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