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4 GLOSSARY
on a wide range of computers and networking equipment and may be
used to manage many aspects of network and endstation operation.
Spanning Tree
Protocol (STP)
A bridge-based mechanism for providing fault tolerance on networks.
STP works by allowing the implementation of parallel paths for network
traffic, and ensuring that redundant paths are disabled when the main
paths are operational and enabled if the main paths fail.
switch A device that filters, forwards, and floods frames based on the frame’s
destination address. The Switch learns the addresses associated with
each Switch port and builds tables based on this information to be
used for the switching decision.
TCP/IP A layered set of communications protocols providing Telnet terminal
emulation, FTP file transfer, and other services for communication
among a wide range of computer equipment.
Telnet A TCP/IP application protocol that provides virtual terminal service,
letting a user log in to another computer system and access a host as if
the user were connected directly to the host.
TFTP Trivial File Transfer Protocol that allows the transfer of files (such as
software upgrades) from a remote device using the Switch’s local
management capabilities.
Transcend 3Com’s umbrella management system used to manage all of 3Com’s
networking solutions.
trap A message sent by an SNMP agent to an authorized trap receiver
(usually a network management station) to indicate the occurrence of a
significant event, such as an error condition or a threshold that has
been reached.
UDP User Datagram Protocol that is an Internet standard protocol allowing
an application program on one device to send a datagram to an
application program on another device.
VLAN Virtual LAN that is a group of location- and topology-independent
devices that communicate as if they are on a common physical LAN.
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