Billion Electric Company 7100SG - Manual (Page 50)

Billion BIPAC 7100SG ADSL Modem/Router
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Check the “Enable” button to access the Dynamic DNS service. You may sign up Dynamic DNS service
at
http://www.dyndns.org and there you can also register domain names.
Host: Enter one domain name you have registered.
User Name: Enter the username used for sign-up.
Password: Enter the password used for sign-up.
Period: Set the time period for the Router to exchange information with the DDNS server. In addition to
update periodically according to this period setting, BIPAC 7100SG will take the same action
automatically whenever the assigned IP changes
3.4.3.8.4 NAT
The NAT Configuration page allows the user to set the configuration for the Network Address
Translation.
Dynamic NAPT: It provides dynamic Network Address Translation capability between LAN and multiple
WAN connections, and the LAN traffic is routed to appropriate WAN connections based-on the
destination IP addresses and Rout Table. This eliminates the need for the static NAT session
configuration between multiple LAN clients and multiple WAN connections.
NAT (Static): This option maps single WAN IP address to the local PC IP address. It is peer-to-peer
mapping, one-to-one. For each WAN interface, only one local PC IP address can be associated with each
WAN interface. Click the link Session Name Configuration to add the session name for WAN interface.
NAPT (Static): This option maps the single WAN IP address to many local PCs IP addresses, one-to-
many. It is the multiple-mapping mechanism. For each WAN interface, more than one local PC can be
associated with one WAN interface. Click the Session Name Configuration to add the session name for
WAN interface.