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D810R ADSL2+ Router User Guide 
1)
Select “IP over ATM 
(IPoA)”. 
Encapsulation Mode: 
VC/MUX 
LLC/SNAP-ROUTING 
Once you select a mode, 
the system automatically 
changes the 
encapsulation mode into 
the one matching your 
setting. Therefore, it is 
recommended to keep 
the default setting 
unchanged. 
2)
Click “Next” to display 
the window shown in the 
right figure. 
a. 
WAN IP Address: 
Enter the IP address 
provided by your ISP. 
b. 
WAN Subnet Mask: 
Enter the subnet mask 
provided by your ISP. 
c. 
Use the following default 
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D810R ADSL2+ Router User Guide 
gateway: 
You can check this 
option. 
d. 
Use IP Address: 
Enter the IP address 
provided by your ISP. 
e. 
Use WAN Interface: 
For the broadband 
access device, you need 
to enter the IP address of 
the downstream link 
interface. 
3) 
Use the following DNS 
server address: 
You can check this 
option. 
a. 
Primary DNS server 
b. 
Secondary DNS server 
Caution: In the IPoA mode, 
DHCP is not supported, 
so you need to manually 
enter the WAN IP 
address, subnet mask, 
default gateway, DNS 
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D810R ADSL2+ Router User Guide 
server and other settings.
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D810R ADSL2+ Router User Guide 
4) 
Click “Next”. 
a. 
Enable NAT: 
NAT enables multiple 
computers in your LAN 
to use the same WAN IP 
address for Internet 
access. It is 
recommended to check 
this option. 
b. 
Enable Firewall 
It is recommended to 
check this option to 
avoid some attacks. 
c. 
Enable IGMP Multicast: 
IGMP agent. For 
example, to enable the 
IPTV in the PPPoE mode, 
you need to check this 
option. 
d. 
Enable WAN Service: 
Checked by default. It is 
recommended to keep 
this default setting, 
unless you do not need 
to activate your WAN. 
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D810R ADSL2+ Router User Guide 
e. 
Click “Next” to display 
the window shown in the 
right figure. This window 
lists your settings. 
g. 
Click “Save/Reboot” to 
activate your settings. 
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