Chapter 8 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
DHCP
A DHCP (Dynamic Host Configuration Protocol) server can assign your
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
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 8.3 on page 79 for technical background information on LANs.
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