McDATA Enterprise Operating System, User Manual

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g-8 Enterprise Operating System Command Line Interface User Manual
Glossary
FRU See field-replaceable unit .
G
G_Port
See generic port .
gateway
A multi-homed host used to route network traffic from one network
to another, and to pass network traffic from one protocol to another.
gateway address (1) In transmission control protocol/Internet protocol (TCP/IP), a
device that connects two systems that use the same or different
protocols. (2) In TCP/IP, the address of a router to which a device
sends frames destined for addresses not on the same physical
network (for example, not on the same Ethernet) as the sender. The
hexadecimal format for the gateway address is XXX.XXX.XXX.XXX.
Gb/s
Acronym for gigabits per second.
generic port
G_Port. Physical interface on a director or switch that can function
either as a fabric port (F_Port) or an expansion port (E_Port),
depending on the port type to which it connects.
GPM See G_Port Module .
G_Port Module An individual FRU that provides the physical attachment point for
Fibre Channel devices.
Gx_Port
A port configuration allowing a port to transition operationally to
FL_Port as well as to the port operational states described for a
G_Port. Only the Sphereon 4500 Switch supports the configuration of
this port type.
H
hop (1) Data transfer from one node to another node. (2) Describes the
number of switches that handle a data frame from its origination
point through it’s destination point.
hop count The number of hops a unit of information traverses in a fabric.