19216811.liveReference Manual for the Model CG814M Wireless Cable Modem Gateway
Glossary
3
NAT
See
Network Address Translation.
netmask
A number that explains which part of an IP address comprises the network
address and which part is the host address on that network. It can be
expressed in dotted-decimal notation or as a number appended to the IP
address. For example, a 28-bit mask starting from the MSB can be shown as
255.255.255.192 or as /28 appended to the IP address.
Network Address
Translation
A technique by which several hosts share a single IP address for access to the
Internet.
packet
A block of information sent over a network. A packet typically contains a
source and destination network address, some protocol and length
information, a block of data, and a checksum.
PPP
See
Point-to-Point Protocol.
PPTP
Point-to-Point Tunneling Protocol. A method for establishing a virtual private
network (VPN) by embedding Microsoft’s network protocol into Internet
packets.
Point-to-Point
Protocol
PPP. A protocol allowing a computer using TCP/IP to connect directly to the
Internet.
RFC
Request For Comment. Refers to documents published by the Internet
Engineering Task Force (IETF) proposing standard protocols and procedures
for the Internet. RFCs can be found at www.ietf.org.
RIP
See
Routing Information Protocol.
router
A device that forwards data between networks. An IP router forwards data
based on IP source and destination addresses.
Routing Information
Protocol
A protocol in which routers periodically exchange information with one
another so that they can determine minimum distance paths between sources
and destinations.
subnet mask
See
netmask.
URL
Universal Resource Locator, the global address of documents and other
resources on the World Wide Web.
UTP
Unshielded twisted pair. The cable used by 10BASE-T and 100BASE-Tx
Ethernet networks.
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