HP Brocade 8Gb SAN Switch for HP BladeSystem c-Class User Manual
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K28.5
A special 10-bit character that indicates the beginning of a transmission word
that performs FC control and signaling functions. The first seven bits are the
common pattern.
kernel flash
Flash (temporary) memory connected to the peripheral bus of the processor and
visible within the processor's memory space. Also called a user flash.
L_Port
Loop port. A node port (NL_Port) or fabric port (FL_Port) that has arbitrated loop
capabilities. An L_Port can be in one of two modes:
•
Fabric mode: Connected to a port that is not loop capable and is using fabric
protocol.
•
Loop mode: In an arbitrated loop and using loop protocol. An L_Port in loop
mode can also be in participating mode or non-participating mode.
See also
latency
The time required to transmit a frame from the time it is sent until it arrives.
Together, latency and bandwidth define the speed and capacity of a link or
system.
link
With respect to FC, a physical connection between two ports, consisting of both
transmit and receive fibers.
link services
A protocol for link-related actions.
LIP
Loop initialization primitive. The signal that begins initialization in a loop. It
indicates either loop failure or the resetting of a node.
LM_TOV
Loop master time-out value. The minimum time that the loop master waits for a
loop initialization sequence to return.
loop failure
Loss of signal within a loop for any period of time; loss of synchronization for
longer than the time-out value.
Loop_ID
A hexadecimal value representing one of the 127 possible AL_PA values in an
arbitrated loop. See also
.
loop initialization
The logical procedure used by an L_Port to discover its environment. Can be
used to assign AL_PA addresses, detect loop failure, or reset a node. See also
LPSM
Loop port state machine. The logical entity that performs arbitrated loop protocols
and defines the behavior of L_Ports when they require access to an arbitrated
loop. See also
LWL
Long wavelength. A type of fiber optic cabling that is based on 1300 mm lasers
and supports link speeds up to 2 Gb/s. May also refer to the type of transceiver.
See also
.
master port
The port that determines the routing paths for all traffic flowing through a trunking
group. One of the ports in the first ISL in the trunking group is designated as the
master port for that group. See also
MIB
Management Information Base. An SNMP structure to help with device
management, providing configuration and device information. See also
.
Glossary
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