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Glossary
adapter
The board that interfaces between the
host system and the target devices.
Adapter is synonymous with host bus
adapter (HBA), host adapter, and adapter
board.
adapter port
A port on the adapter board.
adapter port beacon
An LED on the adapter. Flashing it enables
you to locate the adapter.
arbitrated loop
A circular (ring) topology (versus
point-to-point) where two or more ports
can be interconnected, but only two ports
can communicate at a time. All communi-
cation passes through all ports connected
to the loop.
bandwidth
A measure of the volume of data that can
be transmitted at a specific transmission
rate. A 1Gbps or 2Gbps Fibre Channel
port
can transmit or receive at nominal
rates of 1Gbps or 2Gbps, depending on
the device to which it is connected. This
rate corresponds to actual bandwidth
values of 106MB and 212MB, respectively.
challenge-handshake authentication
protocol
See CHAP.
ISR645610-00 B
CHAP
Challenge-handshake authentication
protocol. CHAP is used for remote logon,
usually between a client and server or a
Web browser and Web server. A
challenge/response is a security mecha-
nism for verifying the identity of a person
or process without revealing a secret
password that is shared by the two
entities. CHAP is also referred to as a
three-way handshake.
CLI
Command line interface. A program inter-
face driven by entering commands and
parameters.
command line interface
See CLI.
CRC
Cyclic redundancy check. A type of check
value designed to catch most transmission
errors.
CSV file
Comma separated values file.
cyclic redundancy check
See CRC.
Glossary-1
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