Digisol DG-HR3400 User Manual page 85

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
: (Point-to-Point Protocol over Ethernet.) Point-to-Point Protocol is a secure
PPPoE
data transmission method originally created for dial-up connections; PPPoE is for
Ethernet connections. PPPoE relies on two widely accepted sta
the Point-to-Point Protocol. It is a communications protocol for transmitting
information over Ethernet between different manufacturers.
A protocol
Protocol:
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.
A router is an intelligent network device that
Router:
different networks based on network layer address information such as IP addresses.
A subnet mask, which may be a part of the TCP/IP information
Subnet Mask:
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
network (as opposed to valid IP address numbers recognized by the Internet, which
must be assigned by InterNIC).
Port
Number
23
21
25
110
1720
161
162
80
1723
5631
5632
is a set of rules for interaction agreed upon between multiple
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DG-HR3400 User Manual
ndards, Ethernet and
forwards packets between
numbers used only within a particular