Edimax Technology CV-7438nDM User Manual

Page 83

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two parts: 3 bytes of data that corresponds to the Manufacturer ID (unique
for each manufacturer), plus 3 bytes that are often used as the product’s
serial number.

NAT: Network Address Translation. This process allows all of the computers
on your home network to use one IP address. Using the broadband access
point’s NAT capability, you can access the Internet from any computer on
your home network without having to purchase more IP addresses from your
ISP.
Port: Network Clients (LAN PC) uses port numbers to distinguish one network
application/protocol over another. Below is a list of common applications and
protocol/port numbers:

Application Protocol Port Number
Telnet

TCP

23

FTP

TCP

21

SMTP

TCP

25

POP3

TCP

110

H.323

TCP

1720

SNMP

UCP

161

SNMP Trap UDP

162

HTTP

TCP

80

PPTP

TCP

1723

PC Anywhere TCP

5631

PC Anywhere UDP

5632


Access point: A access point is an intelligent network device that forwards
packets between different networks based on network layer address
information such as IP addresses.

Subnet Mask: A subnet mask, which may be a part of the TCP/IP information
provided by your ISP, is a set of four numbers (e.g. 255.255.255.0) configured
like an IP address. It is used to create IP address numbers used only within a
particular network (as opposed to valid IP address numbers recognized by the
Internet, which must be assigned by InterNIC).
TCP/IP, UDP: Transmission Control Protocol/Internet Protocol (TCP/IP) and
Unreliable Datagram Protocol (UDP). TCP/IP is the standard protocol for data
transmission over the Internet. Both TCP and UDP are transport layer protocol.

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