X-Micro XWL-11GRAG, User Manual

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also provides a certain amount of security by acting as a firewall by keeping
ual IP addresses hidden from the WAN. individ
(Network) Administrator
The network administrator is the person who manages the LAN within an
ion. The administrator's job includes ensuring network security, keeping
etwork Time Protocol) is used to synchronize the realtime clock in a computer.
tion of data that is transmitted in network communications. Packets
y used to find out if a particular IP address is
is usually used by networks for debugging.
unications pathways in and out of computers and network devices
s and switches). Most PCs have serial and parallel ports, which are external
.
l
ithin
4.
r
orresponds with. No support is essential
ny of the routers or servers within the network the two PCs are connecting
n the smallest number of hops
organizat
software, hardware, and firmware up-to-date, and keeping track of network activity.
NTP
NTP (N
Internet primary and secondary servers synchronize to Coordinated Universal Time
(UTC).
Packet
A packet is a por
are also sometimes called frames and datagrams. Packets contain not only data, but
also the destination IP address.
Ping
Ping (Packet INternet Groper) is a utilit
present online, and
Port
Ports are the comm
(router
sockets for connecting devices such as printers, modems, and mice. All network
adapters use ports to connect to the LAN. Ports are typically numbered
PPPoE
PPPoE (Point-to-Point Protocol Over Ethernet) is used for running PPP protoco
(normally used for dial-up Internet connections) over an Ethernet.
PPTP
Point-to-Point Tunneling Protocol uses TCP to deal data for tunnel maintenance, and
uses PPP for sum up the information carried within the tunnel. The data carried w
the tunnel can be compressed or encrypted. The encryption method used is RSA RC
PPTP can operate when the protocol is supported only on the client and the serve
located on the other end that the client is c
from a
across.
Protocol
A protocol is a rule that governs the communication of data.
RIP
RIP (Routing Information Protocol) is a routing protocol that is integrated in the
TCP/IP protocol. RIP finds a route that is based o
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