ZyXEL P-660RU-T1 User Guide - Page 110
The LAN IP Screen
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Chapter 7 LAN Setup Subnet Mask Subnet masks determine the maximum number of possible hosts on a network. You can also use subnet masks to divide one network into multiple sub-networks. DHCP A DHCP (Dynamic Host Configuration Protocol) server can assign your ZyXEL Device an IP address, subnet mask, DNS and other routing information when it's turned on. RIP RIP (Routing Information Protocol) allows a router to exchange routing information with other routers. Multicast Traditionally, IP packets are transmitted in one of either two ways - Unicast (1 sender - 1 recipient) or Broadcast (1 sender - everybody on the network). Multicast delivers IP packets to a group of hosts on the network - not everybody and not just 1. IGMP IGMP (Internet Group Multicast Protocol) is a network-layer protocol used to establish membership in a Multicast group - it is not used to carry user data. There are three versions of IGMP. IGMP version 2 and 3 are improvements over version 1, but IGMP version 1 is still in wide use. DNS DNS (Domain Name System) is for mapping a domain name to its corresponding IP address and vice versa. The DNS server is extremely important because without it, you must know the IP address of a networking device before you can access it. Finding Out More See Section 7.7 on page 119 for technical background information on LANs. 7.1.3 Before You Begin Find out the MAC addresses of your network devices if you intend to add them to the DHCP Client List screen. 7.2 The LAN IP Screen Use this screen to set the Local Area Network IP address and subnet mask of your ZyXEL Device. Click Network > LAN to open the IP screen. Follow these steps to configure your LAN settings. 110 ADSL Router Series User's Guide