Dell PowerConnect 5548 User Guide - Page 706

Q QoS Quality of Service. QoS allows network managers to decide how and what network traffic is forwarded according to priorities, application types, and source and destination addresses. Query Extracts information from a database and presents the information for use. R RA RADIUS Advertisement. RD RADIUS Discovery. RS Router Solicitation. RADIUS Remote Authentication Dial-In User Service. A method for authenticating system users, and tracking connection time. RMON Remote Monitoring. Provides network information to be collected from a single workstation. Router A device that connects to separate networks. Routers forward packets between two or more networks. Routers operate at a Layer 3 level. RSTP Rapid Spanning Tree Protocol. Detects and uses network topologies that allow a faster convergence of the spanning tree, without creating forwarding loops. Running Configuration File Contains all startup configuration file commands, as well as all commands entered during the current session. After the switch module is powered down or rebooted, all commands stored in the Running Configuration file are lost. 706 Dell PowerConnect 55xx Systems User Guide