Billion BiPAC 7402(G)X(L) Series User Manual page 68

Internet).
Idle Timeout: Auto-disconnect the broadband firewall gateway when there is no activity on the line for a
predetermined period of time.
 Detail: You can define the destination port and packet type (TCP/UDP) without checking by
timer. It allows you to set which outgoing traffic will not trigger and reset the idle timer.
MTU: Maximum Transmission Unit. The size of the largest datagram (excluding media-specific headers)
that IP will attempt to send through the interface.
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
Default Route: Check to enable default route.
IPv6: check to enable IPv6 service. If enabled, please set the IPv6 Address, Ipv6 DNS, similar as IPv4.
IPv6 Address: type the IPv6 address from your ISP, or get it automatically. "::" means to obtain IPv6
address automatically.
Obtain IPv6 DNS: check Automatic to obtain DNS automatically. If not, please type the exact ones in
the Primary and secondary fields.
Chapter 4: Configuration
(802.11g) ADSL2+ (VPN) Firewall Router
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