Digisol DG-BG4300NU User Manual page 89

For example, if the IP address for a device is, in its binary form,
11011001.10110000.10010000.00000111, and if its network mask is,
11111111.11111111.11110000.00000000
It means the device's network address is
11011001.10110000.10010000.00000000, and its host ID is,
00000000.00000000.00000000.00000111. This is a convenient and efficient method for routers to route
IP packets to their destination.
ISP Gateway Address: (see ISP for definition). The ISP Gateway Address is an IP address for the
Internet router located at the ISP's office.
ISP: Internet Service Provider. An ISP is a business that provides connectivity to the Internet for
individuals and other businesses or organizations.
LAN: Local Area Network. A LAN is a group of computers and devices connected together in a relatively
small area (such as home or office). Your home network is considered a LAN.
MAC Address: MAC stands for Media Access Control. A MAC address is the hardware address of a
device connected to a network. MAC address is a unique identifier for a device with an Ethernet interface.
It is comprised of two parts: 3 bytes of data that correspond 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 the computers on your home network to use
one IP address. Using the broadband router's NAT capability, you can access 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:
Port triggering: Port triggering is a configuration option on a NAT-enabled router that allows a host
machine to dynamically and automatically forward a specific port back to itself. Port triggering opens an
incoming port when your computer is using a specified outgoing port for specific traffic.
Application Protocol
Telnet TCP
FTP TCP
SMTP TCP
POP3 TCP
H.323 TCP
SNMP UDP
SNMP Trap UDP
HTTP TCP
PPTP TCP
PC Anywhere TCP
PC Anywhere UDP
Port
Number
23
21
25
110
1720
161
162
80
1723
5631
5632
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DG-BG4300NU User Manual