User`s manual

DAS
Dual-Attach Station; a type of node that offers two connections, with each
connection going to another node or concentrator
Data Link Layer
See Layer 2
Desktop Switch
A switching hub designed to support a single MAC address or client on each port
Destination Address
The IP or MAC address of the node that is to receive the packet.
DHCP
Dynamic Host Control Protocol. An effective way to dynamically assign and
reuse a fixed number of IP addresses when there are more devices on the
network than addresses available. A DHCP server dynamically assigns IP
addresses to devices requesting them. These address assignments expire after
a time specified by the network manager. The DHCP server then reassigns these
addresses to other devices as needed. DHCP is an extension to BOOTP in
which the address assignments are static.
Duplex
A communication mode in which a device can send and receive over the same
wire; the device can operate in full duplex and half duplex
Dynamic
An activity that the Switch does automatically; the opposite of static
Dynamic Learning
The Switch's ability to analyze packets traveling through it, learn information to
automatically update its address tables or forward information to other routing
switches
Entity
Any device, host or end station on the network
Ethernet
Networking standard for transmitting data at 10Mbps
Fast Ethernet
Networking standard for transmitting data at 100Mbps
Fiber-Optic Cable
Cable made of thin glass threads that carry data in the form of light pulses
Filter
An instruction to the Switch to discard certain types of data packets
Firmware
Software routines that are permanently written onto read-only memory
160