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Cabletron Systems 100 Address table, Agent, Alarm, Attenuation, AUI attachment unit interface

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APPENDIX B

GLOSSARY

address

A set of characters that uniquely identiﬁes a station, peripheral device, node, or other unit in a network.

address table

A database of device addresses and their associated ports maintained by a switch or bridge for use in making data packet forwarding and ﬁltering decisions.

agent

Network management software that runs within a managed network device.

alarm

See trap.

ANSI

American National Standards Institute – One of several organizations that establishes standards that apply to internetworking.

ARP

Address Resolution Protocol – An auxiliary protocol of the IP layer used to perform dynamic address translation between MAC addresses and internet addresses. Binds IP addresses to speciﬁc MAC addresses.

attenuation

The amount of power (or light) lost as power travels through a medium from the transmitter to the receiver. Difference between transmitted and received power, in decibels (dB).

AUI (attachment unit interface)

A standard connector type used for Ethernet connections.

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Cabletron Systems 100 manual Address table, Agent, Alarm, Attenuation, AUI attachment unit interface

Contents

User Guide Page FCC Notice DOC Notice Cabletron Software Program License Declaration of Conformity Contents Monitoring and Managing Your ELS100-16TX ELS100-16TX Diagnostics TroubleshootingAppendix B Glossary Appendix a Technical SpecificationsContents Viii Chapter Introduction About this Manual Your email address Getting HelpDocument Conventions Related Documentation ELS100-16TX Front Panel OverviewSmartSTACK 100 ELS100-16TX Architecture Introduction Autonegotiation Port TrunkingDiscarding Local Trafﬁc Store and Forward SwitchingSpanning Tree Algorithm Typical Switching ApplicationSmartSTACK 100 ELS100-16TX Bridge Address Table SmartSTACK 100 ELS100-16TX Sample Applications SmartSTACK 100 ELS100-16TX Port MirroringSmartSTACK 100 ELS100-16TX Trunking SmartSTACK 100 ELS100-16TX Trunking with 100 Mbps Ports Virtual WorkgroupsRepeater Traffic Workgroup a Workgroup B Local Console Manager Command Syntax Conventions Help Basic LCM CommandsELS100-16TX Local Console Manager Erase Exit or LogoutTraplog Introduction ELS100-16TX Front Panel Chapter Unpacking and Installing Your ELS100-16TXPort LEDs 100BASE-T Epim Ports Reset Switch Status LEDs ACT Describes the ELS100-16TX buttons Installing AN EpimInstalling an Epim Rack-Mounting an ELS100-16TX Installing the ELS100-16TXAttaching Rackmount Brackets Connecting the Local Console Manager Checking the POWER-UP Diagnostics SequenceConnecting to the Network ELS100-16TX Twisted Pair Connection Connecting UTP CablesCable Pinouts RJ45 Crossover Cable Connecting a Segment to the EPIM-100FXFiber Optic Network Connection EPIM-100FX Port Unpacking and Installing Your ELS100-16TX Spectrum Spel Spma Chapter Configuring Your ELS100-16TXAssigning IP Addresses Type ipaddr PORT-NUMBER IP Address Displaying IP Addresses Deleting an IP AddressChanging a Subnet Mask To change the subnet mask, at the LCM prompt Enabling BridgingDisplaying Bridging Functions Disabling BridgingEnabling Trunking 100BASE-T Crossover Cables Trunk GroupsTrunk Groups Disabling Trunking Display could look like the following Displaying Trunking StatusEnabled, Rip listening Disabling Mirroring Enabling Port MirroringDisplaying Mirroring Status To check the status for ports conﬁgured for mirroring Deﬁning Virtual Workgroups Defining and Deleting WorkgroupsLCM responds with the following display Assigning a Community Name Configuring BROADCAST/MULTICAST Storm Protection System Contact Modifying MIB VariablesSystem Name System LocationCommunity Names Aging Parameter Set Community NameChapter Monitoring and Managing Your ELS100-16TX ELS100-16TX Management ToolsELS100-16TX Statistics System Statistics Gathering StatisticsEthernet Port Statistics Displaying Status Using LCM to Check ELS100-16TX StatusEnabled, Rip listening Displaying MAC Addresses To display all MAC addresses, at the LCM prompt LCM would display Displaying Manufacturing InformationManaging the ELS100-16TX Using LCM to Manage the ELS100-16TXEnabling a Port Disabling a PortChanging a Subnet Mask NoRIP OptionChanging a Community Name Setting the Baud Rate Setting a Reboot Time Chapter ELS100-16TX Diagnostics and Troubleshooting POWER-UP DiagnosticsPower-up LED Sequence Software Checksum Comparison Speciﬁc Power-up TestsPower-up Diagnostics Results Responses to Failures AT POWER-UPStatus and Activity Indicators ELS100-16TX Front Panel LEDs ACT ELS100-16TX does not Power UP TroubleshootingConnectivity Problems 2 ELS100-16TX Has Rebooted3 ELS100-16TX Does Not Respond to NMS ELS100-16TX Diagnostics and Troubleshooting Environmental Connector PortsPhysical ElectricalStandard Support Diagnostic LEDsSerial Cable PIN Assignments Address Table SizeManagement Support Regulatory Compliance100BASE-T PIN Assignments ConnectorsCrossover Wiring STRAIGHT-THROUGH Wiring5 4 3 Rule EPIM-100FX SpecificationsCable Type Worst Case Budget Typical Budget Technical Speciﬁcations Agent AlarmAddress Address tableBps bits per second BackboneBandwidth Bpdu bridge protocol data unitData rate or speed CongestionData link layer DatagramEntity Full wire speedEncapsulation EncodeInitialization Intelligent bridge/switchIcmp Internet control message protocol IeeeISO International Standards Organization InternetworkingInteroperability IP Internet protocolMIB management information base MAC media access controlMask Mbps megabits per secondPacket Power budgetPropagation delay OSI Open Systems InterconnectionProtocol suite Rarp reverse address resolution protocolService ProtocolTranslating bridge SwitchSymbol Synchronous transmissionWAN wide area network UpstreamGlossary