Motorola SURFBOARD SVG2500 - Manual (Page 168)

17 GLOSSARY
153
TERM DEFINITION
devices. In TCP/IP, a port is a number from 0 to 65536 used
logically by a client program to specify a server program. Ports 0
to 1024 are reserved
port mirroring A feature that enables one port (source) on the SVG2500 to be
copied to another port (destination) to be studied. The destination
mirrors the transmitted (from) or received (to) data on the source
port to enable the person managing the network to monitor
activity.
port triggering A mechanism that allows incoming communication with
specified applications. Primarily used for gaming applications.
PPP Point-to-Point Protocol is used to transport other protocols,
typically for simple links over serial lines. It is most commonly
used to access the Internet with a dial-up modem.
PPTP Point-to-Point Tunneling Protocol encapsulates other protocols. It
is a new technology to create VPNs developed jointly by several
vendors.
private IP An IP address assigned to a computer on the SVG2500 LAN by
the DHCP server on the SVG2500 for an address-specified lease
time. Private IP addresses are used by the SVG2500 LAN only;
they are invisible to devices on the Internet. See also public IP
address.
protocol A formal set of rules and conventions for exchanging data.
Different computer types (for example PC, UNIX, or mainframe)
can communicate if they support common protocols.
provisioning The process of auto discovery or manually configuring a cable
modem on the CMTS.
PSTN The public switched telephone network is the traditional circuit-
switched, voice-oriented telephone network. See also POTS.
public IP
address The IP address assigned to the SVG2500 by the Internet Service
provider. A public IP address is visible to devices on the Internet.
See also private IP address.