McDATA Sphereon 4500 User Manual
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McDATA® Sphereon™ 4500 Fabric Switch Product Manager User Manual
Glossary
SNMP management
station
An SNMP workstation console used to oversee the SNMP network.
SSP
See system services processor.
status bar
This bar, located below the navigation control panel, displays a status 
symbol that indicates the current state of the switch.
storage area network
A high-performance data communications environment that 
interconnects computing and storage resources so that the resources 
can be effectively shared and consolidated.
subnet mask
A method of representing the portion of the IP network address that 
is devoted to subnet addresses (as opposed to the portions of the 
address that refer to individual hosts or to the organizational network 
overall).
switchover
Changing a backup FRU to the Active state, and the active FRU to the 
Backup state.
switch priority
Value configured into each switch in a fabric that determines its 
relative likelihood of becoming the fabric’s principal switch. 
system services
processor
Controls the RS-232 maintenance port and the Ethernet port of a Fibre 
Channel switch.
T
topology
Logical and/or physical arrangement of stations on a network.
trap
Unsolicited notification of an event originating from a SNMP 
managed device and directed to an SNMP network management 
station.
trap host
SNMP management workstation that is configured to receive traps.
trunk cable
Cable consisting of multiple fiber pairs that do not directly attach to 
an active device. This cable usually exists between distribution panels 
and can be located within, or external to, a building. Contrast with 
jumper cable.
