Dell PowerConnect 54 Series, User Manual

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Glossary
Contains a backup copy of the device configuration.
The Backup file changes when the Running
Configuration file or the Startup file is copied to the
Backup file.
Bandwidth
Bandwidth specifies the amount of data that can be
transmitted in a fixed amount of time. For digital
devices, bandwidth is defined in Bits per Second (bps)
or Bytes per Second.
Bandwidth Assignments
The amount of bandwidth assigned to a specific
application, user, and/or interface.
Baud
The number of signaling elements transmitted each
second.
Best Effort
Traffic is assigned to the lowest priority queue, and
packet delivery is not guaranteed.
Boot Version
The boot version.
BootP
Bootstrap Protocol. Enables a workstation to discover
its IP address, an IP address of a BootP server on a
network, or a configuration file loaded into the boot of
a device.
BPDU
Bridge Protocol Data Unit . Provide bridging
information in a message format. BPDUs are sent
across device information with in Spanning Tree
configuration. BPDU packets contain information on
ports, addresses, priorities, and forwarding costs.
Bridge
A device that connect two networks. Bridges are
hardware specific, however they are protocol
independent. Bridges operate at Layer 1 and Layer 2
levels.
Broadcast Domain
Devices sets that receive broadcast frames originating
from any device within a designated set. Routers bind
Broadcast domains, because routers do not forward
broadcast frames.
Broadcasting
A method of transmitting packets to all ports on a
network.
Broadcast Storm
An excessive amount of broadcast messages
simultaneously transmitted across a network by a
single port. Forwarded message responses are heaped
onto the network, overloading network resources or
causing the network to time out.
For more information about broadcast storms, see
"Configuring Load Balancing".
C
CDB
Configuration Data Base. A file containing a device’s
configuration information.