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Reference Manual for the Model FVS318 Cable/DSL ProSafe VPN Firewall
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.
A technique by which several hosts share a single IP address for access to the
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.
See Point-to-Point Protocol.
PPP over Ethernet
PPPoE. PPP over Ethernet is a protocol for connecting remote hosts to the
Internet over an always-on connection by simulating a dial-up connection.
Point-to-Point Tunneling Protocol. A method for establishing a virtual private
network (VPN) by embedding Microsoft’s network protocol into Internet
Public Switched Telephone Network.
PPP. A protocol allowing a computer using TCP/IP to connect directly to the
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.
See Routing Information Protocol.
A device that forwards data between networks. An IP router forwards data
based on IP source and destination addresses.
A protocol in which routers periodically exchange information with one
another so that they can determine minimum distance paths between sources
Unshielded twisted pair. The cable used by 10BASE-T and 100BASE-Tx