DG-VG2300N User
Manual
112
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:
PPPoE:
(Point-to-Point Protocol over Ethernet.) Point-to-Point Protocol is a secure data transmission method
originally created for dial-up connections; PPPoE is for Ethernet connections. PPPoE relies on two widely
Application
Protocol
Port Number
Telnet
TCP
23
FTP
TCP
21
SMTP
TCP
25
POP3
TCP
110
H.323
TCP
1720
SNMP
UDP
161
SNMP Trap
UDP
162
HTTP
TCP
80
PPTP
TCP
1723
PC Anywhere
TCP
5631
PC Anywhere
UDP
5632
