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McDATA OPENconnectors Command Line Interface USER MANUAL P/N 620-000134-500
Glossary
g-2
backup FRU When an active FRU fails, an identical backup FRU takes over
operation automatically (failover) to maintain director and Fibre
Channel link operation.
beaconing The use of light-emitting diodes on ports, port cards, hardware
components, and directors to aid in the fault-isolation process; when
enabled, active beaconing will cause LEDs to flash for selected
components.
BB_Credit Also known as Buffer-to-Buffer Credit. The maximum number of
frames a port can transmit without receiving a receive ready signal
from the receiving device.
blocked port Devices communicating with the port are prevented from logging
into the director or communicating with other devices attached to the
director. A blocked port continuously transmits the offline sequence.
buffer A storage area for data in transit. Buffers compensate for differences
in processing speeds between devices. See also BB_Credit.
C
channel A point-to-point link that transports data from one point to the other.
class of Fibre Channel
service
Defines the level of connection dedication, acknowledgment, and
other characteristics of a connection.
Class F Fibre Channel
service
Used by switches to communicate across interswitch links (ISLs) to
configure, control, and coordinate a multiswitch fabric.
Class 2 Fibre Channel
service
Provides a connectionless (not dedicated) service with notification of
delivery or nondelivery between two N_Ports.
Class 3 Fibre Channel
service
Provides a connectionless (not dedicated) service without notification
of delivery or nondelivery between two N_Ports. Also known as
datagram.
community profile Information that specifies which management objects are available to
what management domain or SNMP community name.
configuration data Configuration data includes: identification data, port configuration
data, operating parameters, SNMP configuration, and zoning