Dell PowerVault 50F (Fibre Channel Switch) - Manual (Page 46)

support.dell.com Glossary 1
FILE LOCATION: S:\SYSTEMS\Labrador\Ug\89TMRgl0.fm
DELL CONFIDENTIAL - Preliminary 4/11/00
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A fabric software facility that supports
multicast group management.
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American National Standards Institute.
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The FC arbitrated loop (FC-AL) is a stan-
dard defined on top of the FC-PH
standard. It defines the arbitration on a
loop where several FC nodes share a com-
mon medium.
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The smallest unit of information interpret-
ed by your computer.
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An SNMP community is a relationship
between an SNMP agent and a set of
SNMP managers that defines authentica-
tion, access control, and proxy
characteristics.
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Credit, applied to a switch, is a numeric
value that represents the maximum num-
ber of receive buffers provided by an
F_Port or FL_Port to its attached N_Port
or NL_Port respectively, such that the
N_Port or NL_Port may transmit frames
without over-running the F_Port or
NL_Port.
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In Class-2 service, the fabric and destina-
tion N_Port provide connectionless
service with notification of delivery or
nondelivery between the two N_Ports.
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Class-3 service provides a connectionless
service without notification of delivery
between N_Ports. The transmission and
routing of Class-3 frames is the same as
for Class-2 frames.
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The domain number uniquely identifies
the switch in a fabric. This switch domain
ID is normally automatically assigned by
the switch and may be any value between
0 and 31. This number may also be as-
signed manually.
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A port is designated an E_Port when it is
used as an interswitch expansion port to
connect to the E_Port of another switch
to build a larger switch fabric.
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E_D_TOV (Error-Detect Time-Out Value)
defines the time the switch waits for an
expected response before declaring an
error condition. The error detect time out
value is adjustable in 1 ms increments
from 2 seconds up to 10 seconds.
IDEULF
The name applied to a network resulting
from the interconnection of switches and
devices comprised of high-speed fiber
connections. A fabric is an active,
intelligent, nonshared interconnect
scheme for nodes.
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The FL_Port is the fabric access port used
to connect NL_Ports to the switch in a
loop configuration.