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D840R ADSL2+ Router User Guide
IPoA mode
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.
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D840R ADSL2+ Router User Guide
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
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:
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D840R ADSL2+ Router User Guide
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
server and other settings.
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D840R 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
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D840R ADSL2+ Router User Guide
WAN.
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