AAM6010EV-M ADSL Combo Router User’s Manual34Figure 6.18 RIP Setup6.5.3 Default GatewayIf Enable Automatic Assigned Default Gateway checkbox is selected, this router will accept the firstreceived default gateway assignment from one of the PPPoA, PPPoE or MER/DHCP enabled PVC(s).If the checkbox is not selected, enter the static default gateway AND/OR a WAN interface. Clickto save it.NOTE: If changing the Automatic Assigned Default Gateway from unselected to selected, you must rebootthe router to get the automatic assigned default gateway.Figure 6.19 Default Gateway Setup6.6 DNSDomain Name System (DNS) servers map the user-friendly domain names that users type into their Webbrowsers (e.g., "yahoo.com") to the equivalent numerical IP addresses that are used for Internet routing.When a PC user types a domain name into a browser, the PC must first send a request to a DNS server toobtain the equivalent IP address. The DNS server will attempt to look up the domain name in its owndatabase, and will communicate with higher-level DNS servers when the name cannot be found locally.When the address is found, it is sent back to the requesting PC and is referenced in IP packets for theremainder of the communication.