User guide

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Glossary
Active Zone Set The zone set that defines the current zoning for the fabric.
Active Firmware The firmware image on the switch that is in use.
Activity LED A port LED that indicates when frames are entering or leaving the port.
Administrative State State that determines the operating state of the port or switch. The configured
administrative state is stored in the switch configuration. The configured
administrative state can be temporarily overridden using the command line
interface.
Alarm A message generated by the switch that specifically requests attention. Alarms
are generated by several switch processes. Some alarms can be configured.
Alias A named set of ports or devices. An alias is not a zone, and can not have a zone
or another alias as a member.
AL_PA Arbitrated Loop Physical Address
Arbitrated Loop A Fibre Channel topology where ports use arbitration to establish a point-to-
point circuit.
Arbitrated Loop
Physical Address
(AL_PA) A unique one-byte value assigned during loop initialization to each NL_Port
on a loop.
ASIC Application Specific Integrated Circuit
Auto Save Zoning parameter that determines whether changes to the active zone set that
a switch receives from other switches in the fabric will be saved to permanent
memory on that switch.
BootP A type of network server.
Buffer Credit A measure of port buffer capacity equal to one frame.
Cascade Topology A fabric in which the switches are connected in series. If you connect the last
switch back to the first switch, you create a cascade-with-a-loop topology.