FW 07.00.00/HAFM SW 08.06.00 McDATA Enterprise Operating System Command Line Interface User Manual (620-000134-720, April 2005)

Glossary
g-9
Glossary
hub (1) In Fibre Channel protocol, a device that connects nodes into a
logical loop by using a physical star topology. (2) In Ethernet, a device
used to connect the server platform and the directors or switches it
manages.
I
information message Message notifying a user that a function is performing normally or
has completed normally. See also error message; warning message.
initial program load IPL. The process of initializing the device and causing the operating
system to start. An IPL may be initiated through a menu option or a
hardware button.
interface (1) A shared boundary between two functional units, defined by
functional, signal, or other characteristics. The concept includes the
specification of the connection of two devices having different
functions (T). (2) Hardware, software, or both, that link systems,
programs, or devices (D).
Internet protocol IP. Network layer for the transmission control protocol/Internet
protocol (TCP/IP) protocol used on Ethernet networks. IP provides
packet routing, fragmentation, and reassembly through the data link
layer (D).
Internet protocol
address
IP address. Unique string of numbers (in the format xxx.xxx.xxx.xxx)
that identifies a device on a network.
interoperability Ability to communicate, execute programs, or transfer data between
various functional units over a network.
interswitch link ISL. Physical expansion port (E_Port) connection between two
directors or switches in a fabric.
IP See Internet protocol.
IP address See Internet protocol address.
IPL See initial program load.
ISL See interswitch link.