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Chapter 6 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 is an improvement over version 1, but IGMP version 1 is still in wide
use. IGMP version 3 supports source filtering, reporting or ignoring traffic from specific
source address to a particular host on the network.
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 6.6 on page 98
6.1.3 Before You Begin
Find out the MAC addresses of your network devices if you intend to add them to the DHCP
Client List screen.
6.2 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.
1 Enter an IP address into the IP Address field. The IP address must be in dotted decimal
notation. This will become the IP address of your ZyXEL Device.
90
for technical background information on LANs.
P-660HN-Fx User's Guide
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Troubleshooting
