D-Link DGS-2208 User Manual - Page 21

Section 5 -Glossary backbone port A port that does not learn device addresses, and that receives all frames with an unknown address. Backbone ports are normally used to connect the Switch to the backbone of your network. Note that backbone ports were formerly known as designated downlink ports. 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, that a channel can transmit. The bandwidth of Ethernet is 10Mbps, the bandwidth of Fast Ethernet is 100Mbps. baud rate The switching speed of a line. Also known as line speed. BOOTP The BOOTP protocol allows you to automatically map 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, centralizing network administration. 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. D-Link DGS-2208 User Manual 21