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G
LOSSARY
repeater
A simple device that regenerates LAN traffic so that the transmission
distance of that signal can be extended. Repeaters are used to connect
two LANs of the same network type.
resilient link
A pair of ports that can be configured so that one takes over data
transmission should the other fail. See also
main port
and
standby port
.
RMON
IETF Remote Monitoring MIB. A MIB that allows you to remotely
monitor LANs by addressing up to nine different groups of information.
router
A device that provides WAN links between geographically separate
networks.
roving analysis
See
port mirroring
.
RPS
Redundant Power System. A device that provides a backup source of
power when connected to a Switch.
SAP
Service Access Point. A well-defined location that identifies the user of
services of a protocol entity.
segment
A section of a LAN that is connected to the rest of the network using a
switch or bridge.
server
A computer in a network that is shared by multiple endstations. Servers
provide endstations with access to shared network services such as
computer files and printer queues.
SLIP
Serial Line Internet Protocol. A protocol that allows IP to run over a
serial line (console port) connection.
SNAP
Subnetwork Access Protocol. A TCP/IP protocol that specifies a standard
method for encapsulation of IP datagrams and ARP messages.
SNMP
Simple Network Management Protocol. The current IETF standard
protocol for managing devices on an TCP/IP network.
Spanning Tree
Protocol (STP)
A bridge-based system for providing fault tolerance on networks. STP
works by allowing you to implement parallel paths for network traffic,
and ensure that redundant paths are disabled when the main paths are
operational and enabled if the main paths fail.
stack
A group of network devices that are integrated to form a single logical
device.