3Com 3C16988A Process is known as filtering, Packet sent to all devices on a network, Traffic

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56GLOSSARY

 

information to forward packets based on their destination address. This

 

process is known as filtering.

broadcast

A packet sent to all devices on a network.

broadcast storm

Multiple simultaneous broadcasts that typically absorb all the available

 

network bandwidth and can cause a network to fail. Broadcast storms

 

can be due to faulty network devices.

collision

A term used to describe two colliding packets in an Ethernet network.

 

Collisions are a part of normal Ethernet operation, but a sudden

 

prolonged increase in the number of collisions can indicate a problem

 

with a device, particularly if it is not accompanied by a general increase

 

in traffic.

CSMA/CD

Carrier-sense Multiple Access with Collision Detection. The protocol

 

defined in Ethernet and IEEE 802.3 standards in which devices transmit

 

only after finding a data channel clear for a period of time. When two

 

devices transmit simultaneously, a collision occurs and the colliding

 

devices delay their retransmissions for a random length of time.

endstation

A computer, printer or server that is connected to a network.

Ethernet

A LAN specification developed jointly by Xerox, Intel and Digital

 

Equipment Corporation. Ethernet networks use CSMA/CD to transmit

 

packets at a rate of 10Mbps over a variety of cables.

Ethernet address

See MAC address.

Fast Ethernet

An Ethernet system that is designed to operate at 100Mbps.

forwarding

The process of sending a packet toward its destination using a

 

networking device.

filtering

The process of screening a packet for certain characteristics, such as

 

source address, destination address, or protocol. Filtering is used to

 

determine whether traffic is to be forwarded, and can also prevent

 

unauthorized access to a network or network devices.

flow control

A congestion control mechanism. Congestion is caused by devices

 

sending traffic to already overloaded port on a Switch. Flow control

 

prevents packet loss and inhibits devices from generating more traffic

 

until the period of congestion ends.

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Contents SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents PIN-OUTS Glossary Index Regulatory Notices Page About this Guide Conventions List conventions that are used throughout this guideRelated DocumentationRegistration CommentsProduct 3300 XM, SM, TM, MM Introducing the Switch 3300 XM, SM, TM, MM Switch Front View Detail 1000BASE-SXIntroducing the Switch 3300 XM, SM, TM, MM LED behavior Switch Rear View Detail Unit Information LabelSwitch Rear View Detail Examples ConfigurationNetwork Using the Switch as a collapsed backbone Using the Switch in a desktop environment Fast Ethernet configuration rules Introducing the Switch 3300 XM, SM, TM, MM Configuration Rules for Gigabit Ethernet SM and TM Gigabit Ethernet cablingIntroducing the Switch 3300 XM, SM, TM, MM Installing the Switch Installing the Switch Connect network cabling Repeat steps 2 and 3 for the other side of the SwitchRack-mounting Installing the Switch Using Matrix Cables Stacking UnitsTreated as a single manageable unit with one IP address Part number 3C16965. Contact your supplier for detailsStack of two units Stack of three units Sequence Power-upTM or MM powered-up and ready for operation Choosing Switch Network. For information on managing the Switch usingManaging GuideSafety Information Important Safety InformationImportant Safety Information ’information de Sécurité Importante’information de Sécurité Importante Wichtige Sicherheitsinformat ionen Warnhinweis Faseroptikanschlüsse Optische Sicherheit Appendix a Safety Information Null Modem Cable PC-AT Serial CablePin to RS-232 25-pin Pin to 9-pinConnectors Modem CableRJ45 Pin AssignmentsPin Number Signal Function Appendix B PIN-OUTS Technical Specifications Switch 3300 XM, SM and MMSwitch 3300 TM SnmpVlan MIB RFC Appendix C Technical Specifications Services Online TechnicalUsername anonymous Asia, Pacific Rim Country Telephone Number Fax Number Glossary Can be due to faulty network devices Process of sending a packet toward its destination using aUnauthorized access to a network or network devices Process is known as filteringLine speed See baud Glossary STP See Spanning Tree Protocol STP Glossary Index Index Regulatory Notices
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