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Billion BiPAC 7402NX(L) 802.11n 3G/ADSL2+ (VPN) Firewall Router
Chapter 4: Configuration
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IPoA Routed Connection
Profile Port: Select the profile port either ADSL or 3G.
Protocol:
The ATM protocol will be used in the device.
Description: A given name for the connection.
VPI/VCI: Enter the information provided by your ISP.
ATM Class: The Quality of Service for ATM layer.
NAT: The NAT (Network Address Translation) feature allows multiple users to access the Internet through
a single IP account, sharing a single IP address. If users on your LAN have public IP addresses and can
access the Internet directly, the NAT function can be disabled.
MTU: Maximum Transmission Unit. The size of the largest datagram (excluding media-specific headers)
that IP will attempt to send through the interface.
IP (0.0.0.0:Auto):
Your WAN IP address. Leave this at 0.0.0.0 to obtain automatically an IP
address from your ISP.
Netmask: The default is 0.0.0.0. User can change it to other such as 255.255.128. Type the
subnet mask assigned to you by your ISP (if given).
Gateway: Enter the IP address of the default gateway (if given).
RIP: RIP v1, RIP v2, and RIP v2 Multicast. Check to enable RIP function.
TCP MSS Clamp: This option helps to discover the optimal MTU size automatically. Default is enabled.
Obtain DNS: A Domain Name System (DNS) contains a mapping table for domain name and IP
addresses. DNS helps to find the IP address for the specific domain name. Check the checkbox to
obtain DNS automatically.
Primary DNS: Enter the primary DNS.
Secondary DNS: Enter the secondary DNS.