ZyXEL Communications 642R Series manual Ipcp PPP, Isp, Lan, Mac, Nat, Nic, Pnc, Pots

	Prestige 642R Series ADSL Router
Internet	(Upper case I) The vast collection of inter-connected networks that all use the TCP/IP
Intranet	protocols and that evolved from the ARPANET of the late 60’s and early 70’s.
	A private network inside a company or organization that uses the same kinds of software that
IP	you would find on the public Internet, but that is only for internal use.
	Internet Protocol. The IP (currently IP version 4, or IPv4), is the underlying protocol for routing
IPCP (PPP)	packets on the Internet and other TCP/IP-based networks.
	IP Control Protocol allows changes to IP parameters such as the IP address.
IPX	Internetwork Packet eXchange The native NetWare internetworking protocol is IPX
	(Internetwork Packet Exchange). Like IP (Internet Protocol), IPX is an internetworking
ISP	protocol that provides datagram services.
	Internet Service Providers provide connections into the Internet for home users and
	businesses. There are local, regional, national, and global ISPs. You can think of local ISPs
LAN	as the gatekeepers into the Internet.
	Local Area Network is a shared communication system to which many computers are
	attached. A LAN, as its name implies, is limited to a local area. This has to do more with the
	electrical characteristics of the medium than the fact that many early LANs were designed for
	departments, although the latter accurately describes a LAN as well. LANs have different
MAC	topologies, the most common being the linear bus and the star configuration.
	On a local area network (LAN) or other network, the MAC (Media Access Control) address is
	your computer's unique hardware number. (On an Ethernet LAN, it's the same as your
	Ethernet address.) The MAC layer frames data for transmission over the network, then
NAT	passes the frame to the physical layer interface where it is transmitted as a stream of bits.
	Network Address Translation is the translation of an Internet Protocol address used within
Network	one network to a different IP address known within another network.
	Any time you connect 2 or more computers together so that they can share resources, you
NIC	have a computer network. Connect 2 or more networks together and you have an internet.
	Network Interface Card. A board that provides network communication capabilities to and
Node	from a computer system. Also called an adapter.
	Any single computer connected to a network.
PAP	Password Authentication Protocol. PAP is a security protocol that requires users to enter a
	password before accessing a secure system. The user’s name and password are sent over
	the wire to a server, where they are compared with a database of user account names and
	passwords. This technique is vulnerable to wiretapping (eavesdropping) because the
PNC	password can be captured and used by someone to log onto the system.
	Prestige Network Commander, a Windows-based setup wizard for Prestige routers (not all).
Port	An Internet port refers to a number that is part of a URL, appearing after a colon (:) right after
	the domain name. Every service on an Internet server listens on a particular port number on
	that server. Most services have standard port numbers, e.g. Web servers normally listen on
POTS	port 80.
	Plain Old Telephone Service is the analog telephone service that runs over copper twisted-
	pair wires and is based on the original Bell telephone system. Twisted-pair wires connect
	homes and businesses to a neighborhood central office. This is called the local loop. The
	central office is connected to other central offices and long-distance facilities.

PPPPoint to Point Protocol. PPP encapsulates and transmits IP (Internet Protocol) datagrams over serial point-to-point links. PPP works with other protocols such as IPX (Internetwork Packet Exchange). The protocol is defined in IETF (Internet Engineering Task Force) RFC 1661 through 1663. PPP provides router-to-router, host-to-router, and host-to-host

Glossary C