Billion BiPAC 7402G User Manual page 46

3G / ADSL2+ (802.11g) (VPN) Firewall Router
MPoA Connection
Profile Port: Select the profile port either ADSL or 3G.
The ATM protocol will be used in the device.
Protocol:
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.
Encap. mode: Choose whether you want the packets in WAN interface as bridged packet or
routed packet.
MTU: Maximum Transmission Unit. The size of the largest datagram (excluding media-specific headers)
that IP will attempt to send through the interface.
Your WAN IP address. Leave this at 0.0.0.0 to obtain automatically an IP
IP (0.0.0.0:Auto):
address from your ISP.
Netmask: The default is 255.255.255.0. User can change it to other such as 255.255.255.128.
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.
MAC Spoofing: This option is required by some service providers. You must fill in the MAC address that
specify by service provider when it is required. Default is disabled.
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.
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Chapter 4: Configuration