3com 9000 SX Manual De Usuario

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LOSSARY
ageing
The automatic removal of dynamic entries from the Switch Database 
that have timed-out and are no longer valid.
ARP
Address Resolution Protocol. The protocol used to dynamically bind 
high-level IP addresses to low-level hardware addresses. ARP is used 
only across a single physical network and is limited to networks that 
support hardware broadcasts.
backbone
The part of a network used as the primary path for transporting traffic 
between network segments.
bandwidth
Information capacity, measured in bits per second (bps), that a channel 
can transmit. The bandwidth of Ethernet is 10 Mbps, the bandwidth of 
Fast Ethernet is 100 Mbps, the bandwidth of Gigabit Ethernet is 1000 
Mbps.
baud rate
The switching speed of a serial line. Also known as line speed.
BOOTP
A protocol that allows automatic mapping of an IP address to a given 
MAC address each time a device is started. In addition, the protocol 
can assign the subnet mask and default gateway to a device.
bridge
A device that interconnects local or remote networks no matter what 
higher-level protocols are involved. Bridges form a single logical 
network.
broadcast
A message sent to all destination devices on the network.
broadcast storm
Multiple simultaneous broadcasts that typically absorb available 
network bandwidth and can cause network failure.
console port
The port on the Switch accepting a terminal or modem connector. It 
changes the parallel arrangement of data within computers to the serial 
form used on data transmission links. This port is most often used for 
dedicated local management.
SW9000.BK  Page 1  Wednesday, April 1, 1998  11:00 AM