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128 NP2624M User Guide
YML827 Rev1
Protocol Communication on the network is governed by sets of rules
called protocols. Protocols provide the guidelines devices use to
communicate with each other, and thus they have different functions.
Some protocols are responsible for formatting and presenting and
presenting data that will be transferred from file server memory
to the file server’s net work adapter Others are responsible for
filtering information between networks and forwarding data to its
destination. Still other protocols dictate how data is transferred
across the medium, and how servers respond to workstation requests
and vice versa. Common network protocols responsible for the
presentation and formatting of data for a network operating system
are the Internetwork Packet Exchange (IPX) protocol or the Internet
Protocol (IP). Protocols that dictate the format of data for transferors
the medium include token-passing and Carrier Sense Multiple
Access with Collision Detection (CSMA/CD),implemented as
token-ring, ARCNET, FDDI, or Ethernet. The Router Information
Protocol (RIP),a part of the Transmission Control Protocol/Internet
Protocol (TCP/IP) suite, forwards packets from one network to
another using the same network protocol.
R
RARP Reverse Address Resolution Protocol, a TCP/IP protocol that allows
a physical address, such as an Ethernet address, to be translated into
an IP address.
RJ-45 RJ-45 connector is used for Ethernet cable connections.
Router A router is the network software or hardware entity charged
with routing packets between networks.
S
Server It is a simple computer that provides resources, such as files or other
information.
SMTP The Simple Mail Transfer Protocol is used for Internet mail.
SNMP Simple Network Management Protocol. SNMP was designed to
provide a common foundation for managing network devices.
Station In LANs, a station consists of a device that can communicate data
on the network. In FDDI, a station includes both physical nodes and
addressable logical devices. Workstations, single-attach stations,
dual-attach stations, and concentrators are FDDI stations.
Subnet mask In TCP/IP, the bits used to create the subnet are called the subnet
mask.