AirLive RS-2500, Руководство пользователя

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24. Specifications
235
AirLive RS-2500 User’s Manual
P
P ndards PPP and
E s a specification for connecting the users on an Ethernet to the Internet
through a common broadband medium, such as single DSL line, wireless device or cable
modem.
ode works to transfer real IP address from WAN interface to the device that
onnects to DMZ port. So the DMZ device can also get real IP address and offer the service
PPoE
oint-to-Point ove
thernet. PPPoE i
r Ethernet. PPPoE relies on two widely accepted sta ;
Transparent
Transparent m
c
with Internet users.
25.2 System
IP that a router gets from the
P side is called Real IP, the IP assigned to PC under the NAT environment is called
rivate IP.
P is used, whenever a computer logs onto the network, it
utomatically gets an IP address assigned to it by DHCP server. A DHCP server can
ither be a designated PC on the network or another network device, such as router.
program that translates URLs to IP addresses by accessing a database maintained on a
ollection or Internet servers.
ynamic Domain Name System. An Algorithm that allows the use of dynamic IP address
r hosting Internet Server. DDNS service provides each user account with a domain name.
r with DDNS capability has a built-in DDNS client that updates the IP address
ixed IP connection.
NAT
Network Address Translation. A network algorithm used by Routers to enables several
PCs to share single IP address provided by the ISP. The
IS
P
DHCP
Dynamic Host Configuration Protocol. A protocol that enables a server to dynamically
assign IP addresses. When DHC
a
e
DNS
A
c
DDNS
D
fo
Route
information to DDNS service provider whenever there is a change. Therefore, users can
build website or other Internet servers even if they don’t have f