Cisco Systems SRW248G4P manual Appendix B Glossary

Appendix B

Appendix B:

Glossary

This glossary contains some basic networking terms you may come across when using this product..

WEB: For additional terms, please visit the

glossary at www.linksys.com/glossary

Access Mode - Specifies the method by which user access is granted to the system..

Access Point - A device that allows wireless-equipped computers and other devices to communicate with a wired network.. Also used to expand the range of a wireless network..

Access Profiles - Allows network managers to define profiles and rules for accessing the device.. Access to management functions can be limited to user groups, which are defined by the following criteria:

•Ingress interfaces

•Source IP address and/or Source IP subnets..

ACE - Filters in Access Control Lists (ACL) that determine which network traffic is forwarded.. An ACE is based on the following criteria:

•Protocol

•Protocol ID

•Source Port

•Destination Port

•Wildcard Mask

•Source IP Address

•Destination IP Address

ACL (Access Control List) - Access Control Lists are used to grant, deny, or limit access devices, features, or applications..

Auto-negotiation- Allows 10/100 Mbps or 10/100/1000 Mbps Ethernet ports to automatically establish the optimal duplex mode, flow control, and speed..

Back Pressure - A mechanism used with Half Duplex mode that enables a port not to receive a message..

Bandwidth - The transmission capacity of a given device or network..

Bandwidth Assignments - Indicates the amount of bandwidth assigned to a specific application, user, and/or interface..

Glossary

Baud - Indicates the number of signaling elements transmitted each second..

Best Effort - Indicates that traffic is assigned to the lowest priority queue, and packet delivery is not guaranteed..

Bit - A binary digit..

Boot - To start a device and cause it to start executing instructions..

Browser - An application program that provides a way to look at and interact with all the information on the World Wide Web..

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..

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..

Burst - A packet transmission at faster than normal rates.. Bursts are limited in time and only occur under specific conditions..

Burst Size - Indicates the burst size transmitted at a faster than normal rate..

Byte - A unit of data that is usually eight bits long

Cable Modem - A device that connects a computer to the cable television network, which in turn connects to the Internet..

CBS (Committed Burst Size) - Indicates the maximum number of data bits transmitted within a specific time interval..

CIR (Committed Information Rate) - The data rate is averaged over a minimum time increment..

Class Maps - An aspect of Quality of Service system that is comprised of an IP ACL and/or a MAC ACL.. Class maps are configured to match packet criteria, and are matched to packets in a first-fit fashion..

Combo Ports - A single logical port with two physical connections, including an RJ-45 connection and a SFP connection..

Communities - Specifies a group of users which retain the same system access rights..

48-Port 10/100 + 4-Port Gigabit Switch with WebView and Power over Ethernet 56