Billion BiPAC 7401VGP R3 User Manual page 77

Connection:
Always on: If you want the router to establish a PPPoA session when starting up and to au-
tomatically 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.