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Edimax Technology Wireless 3G Portable Router 3G-6210n User Manual

Page 153

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144

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

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 accepted standards, Ethernet and

the Point-to-Point Protocol. It is a communications protocol for transmitting

information over Ethernet between different manufacturers

Protocol: A protocol is a set of rules for interaction agreed upon between multiple

parties so that when they interface with each other based on such a protocol, the

interpretation of their behavior is well defined and can be made objectively, without

confusion or misunderstanding.

Router: A router 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. TCP

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