Billion BiPAC 7401VGP R3 User Manual page 70

addresses and can access the Internet directly, the NAT function can be disabled.
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.
Auth. Protocol: Default is Auto. Your ISP should advise you on whether to use Chap or Pap.
Connection:
Always on: If you want the router to establish a PPPoA session when starting up and to
automatically re-establish the PPPoA session when disconnected by the ISP.
Connect on Demand: If you want to establish a PPPoA session only when there is a packet
requesting access to the Internet (i.e. when a program on your computer attempts to access
the Internet).
Idle Timeout: Auto-disconnect the router when there is no activity on the line for a predetermined
period of time.
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.
Obtain DNS: A Domain Name System (DNS) contains a mapping table for domain name and IP
addresses. DNS helps to find the IP address of a 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 concrete
one in the Primary field.
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