McDATA 4500 User Manual

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Glossary
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Glossary
The following cross-references are used in this glossary:
Contrast with. This refers to a term that has an opposite or 
substantively different meaning.
See. This refers the reader to another keyword or phrase for the same 
term.
See also. This refers the reader to definite additional information 
contained in another entry.
A
access control
List of all devices that can access other devices across the network 
and the permissions associated with that access. See also persistent 
binding and zoning.
active FRU
A field-replaceable unit that is currently operating as the active and 
not the backup FRU.
active zone set
Single zone set that is active in a multiswitch fabric. It is created when 
you enable a specified zone set. This zone set is compiled by checking 
for undefined zones or aliases.
agent
Software that processes queries on behalf of an application and 
returns replies.
alarm
SNMP message notifying an operator of a network or device 
problem.