Dell PowerConnect 2848 User's Guide - Page 174
Best Effort, Boot Version, BootP, Bridge, Broadcast Domain, Broadcasting, Broadcast Storm
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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. Class of Service Class of Service (CoS). Class of Service is the 802.1p priority scheme. CoS provides a method for tagging packets with priority information. A CoS value between 0-7 is added to the Layer II header of packets, where zero is the lowest priority and seven is the highest. A overlapping transmission of two or more packets that collide. The data transmitted cannot be used, and the session is restarted. Combo Ports A single logical port with two physical connections, including an RJ-45 connection and an SFP connection. 174 Glossary