McDATA Eclipse 2640 SAN, Administration And Configuration Manual

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g-6 Eclipse™ 2640 SAN Router Administration and Configuration Manual
Glossary
bit error rate
Abbreviated as ber. Ratio of received bits that contain errors to total
of all bits transmitted.
bits per inch
Abbreviated as bpi. Indicates the density of information on a hard
drive.
blended fabric
A routed storage area network (SAN) that includes both Fibre
Channel and IP components in the SAN. The IP component could be
iSCSI, or iFCP.
blocked port
In a director or switch, the attribute that when set, removes the
communication capability of a specific port. A blocked port
continuously transmits the offline sequence.
boot
(1) To start or restart a computer. (2) Loading the operating system.
bpi See
bits per inch .
bps
Bits per second.
Bps
Bytes per second.
bridge
(1) An attaching device that connects two local area network (LAN)
segments to allow the transfer of information from one LAN segment
to the other. A bridge can connect the LAN segments directly by
network adapters and software in a single device, or can connect
network adapters in two devices through software and use of a
telecommunication link between the two adapters
(D)
. (2) A
functional unit that connects two LANs that use the same logical link
control protocol, but may use different media access control protocols
(D,T)
.
Contrast with
network router . (3) A device that connects and
passes packets between two network segments that use the same
communications protocol.
bridge port
B_Port. (1) In Fibre Channel protocol, a fabric inter-element port used
to connect bridge devices with E_Ports on a switch. B_Ports provide a
subset of E_Port functionality. (2) A McDATA term for a physical
interface between the fabric (switch) and a bridge device. The
interface is identical to an expansion port (E_Port), but it does not
participate in full expansion port protocols. As such, it does not
assign domain IDs or participate in routing protocol.
See also
expansion port ; fabric loop port ; fabric port ; generic port ; hub port ;
node loop port ; node port ; segmented expansion port .