NETGEAR RH340 - ISDN INET Gateway Router, Reference Manual

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Reference Guide for the Model RH340 Internet Access ISDN Router
Glossary 3
Maximum Receive
Unit The size in bytes of the largest packet that can be sent or received.
Most Significant Bit or
Most Significant Byte The portion of a number, address, or field that is farthest left when written as a
single number in conventional hexadecimal ordinary notation. The part of the
number having the most value.
Multilink Protocol
An extension to the point-to-point protocol allowing the combination of both
B channels to provide a single 128 Kbps channel. See Point-to-Point Protocol.
National ISDN (NI-1) Bellcore standard for first phase of ISDN interoperability among U.S.
telephone companies.
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
Translator
(or Translation)
A proposal for IP address reuse, where the local IP address is mapped to a
globally unique address. See also masquerading.
NT1 (Network
Termination 1) Termination device that connects the user’s equipment to the ISDN network.
Converts the local equipment’s four-wire S/T interface to the two-wire
telephone company interface. The NT1 is provided by the telephone company
in most of the world, but it is provided by the user in North America. Referred
to in some areas as a DSU.
PAP
See Password Authentication Protocol.
POTS
See Plain Old Telephone Service.
PPP
See Point-to-Point Protocol.
PSTN
Public Switched Telephone Network.
Password
Authentication
Protocol A method of enabling security on PPP links. When the link is established,
a password is sent by the caller. See Challenge Handshake Authentication
Protocol.
Plain Old Telephone
Service The standard analog phone system.
Point-to-Point
Protocol
A protocol allowing a computer using TCP/IP to connect directly to the
Internet.