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Glossary
Repeater
A repeater extends the range of a wireless local network by relaying data from the
.
Roaming
Roaming extends the range of a wireless LAN by using several
that use the
and the same radio channel and are linked via
. The PCs in the net-
work can switch dynamically between several access points without losing the existing
network connection.
Router
A router directs data packets from one local network (
) to another via the fastest
route. A router makes it possible to connect networks that have different network tech-
nologies. For example, it can link a local network with
technology to
.
See also:
,
Server
A server makes a service available to other network components (
). The term
"server" is often used to refer to a computer or PC. However, it can also mean an appli-
cation that provides a particular service such as
, Web server, file server or print
server.
SMTP
Simple Mail Transfer Protocol
The SMTP
protocol family. It governs the exchange of elec-
tronic mail on the
. Your
provides you with access to an
SMTP server.
SNMP
Simple Network Management Protocol
The SNMP
is part of the
protocol family. It provides a simple procedure
for administering the network based on a system of shared information for manage-
ment data and network management messages (known as traps) and reports the occur-
rence of events within the monitored network (e.g. an alarm message or notification of
configuration changes).
SPI
Stateful Packet Inspection
Your device uses SPI to monitor and limit access by traffic incoming from the Internet.
This allows it to identify and block certain types of attack such as Denial of Service (DoS).
A typical DoS attack may involve a remote computer paralysing a system and then
claiming to be the paralysed device in order to receive data intended for it.
