Dell PowerConnect 5448 User's Guide - Page 438

PING Packet Internet Groper. Verifies if a specific IP address is available. A packet is sent to another IP address and waits for a reply. Port Physical ports provide connecting components that allow microprocessors to communicate with peripheral equipment. Port Mirroring Monitors and mirrors network traffic by forwarding copies of incoming and outgoing packets from one port to a monitoring port. Port Speed Indicates port speed of the port. Port speeds include: • Ethernet 10 Mbps • Fast Ethernet 100Mbps • Gigabit Ethernet 1000 Mbps Protocol A set of rules that governs how devices exchange information across networks. 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. 438 Glossary