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HP Brocade 4Gb SAN Switch for HP BladeSystem p-Class User Manual

Page 247

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Fabric OS 5.0.0 procedures user guide 247

E_Port

Expansion port. A type of switch port that can be connected to an E_Port on another switch to create an ISL. See

also

ISL

.

ELP

Exchange link parameters.

ELS

Extended link service. ELSs are sent to the destination N_Port to perform the requested function or service. ELS is a

Fibre Channel standard that is sometimes called a Fibre Channel Physical (FC_PH) ELS.

EM

Environmental monitor. Monitors FRUs and reports failures.

embedded port

An embedded port (or domain controller) communicates and gets updates from other switches' embedded ports.

The well-known address is

fffcdd

, where

dd

is the domain number.

entry fabric

The basic HP software license that allows one E_Port per switch.

EOF

End of frame. A group of ordered sets used to mark the end of a frame.

error

As applied to the Fibre Channel industry, a missing or corrupted frame, time-out, loss of synchronization, or loss of

signal (link errors).

exchange

The highest-level Fibre Channel mechanism used for communication between N_Ports. Composed of one or more

related sequences, it can work in either one or both directions.

F_BSY

Fabric port busy frame. A frame issued by the fabric to indicate that a frame cannot be delivered because the fabric

or destination N_Port is busy.

F_Port

Fabric port. A port that is able to transmit under fabric protocol and interface over links. Can be used to connect an

N_Port to a switch. See also

FL_Port

,

Fx_Port

.

F_RJT

Fabric port reject frame. A frame issued by the fabric to indicate that delivery of a frame is being denied, either

because a class is not supported, the existence of an invalid header, or no N_Port available.

fabric

A Fibre Channel network containing two or more switches in addition to hosts and devices. Also called a switched

fabric. See also

SAN

,

topology

.