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Cabletron Systems manual Trunk Groups, 100BASE-T Crossover Cables

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Conﬁguring Your ELS100-16TX

									ELS100-16TX
									EPIM100
	1X	3X	5X	7X	9X	11X	13X	15X
ELS100-16TXCOM	2X	4X	6X	8x	10X	12X	14X	16X	EPIM100
100BASE-T Crossover Cables
(providing 800 Mbps of bandwidth)									ELS100-16TX
									EPIM100
	1X	3X	5X	7X	9X	11X	13X	15X
ELS100-16TXCOM	2X	4X	6X	8x	10X	12X	14X	16X	EPIM100

Figure 3-1. Trunk Connections

Trunk Groups

Each set of connections between two ELS100-16TXs is called a Trunk Group. You can create up to eight trunk groups, each with up to eight ports, to interconnect your ELS100-16TXs.

For example, if you have three ELS100-16TXs (A, B, and C), as shown in Figure 3-2, you could connect them using a single Ethernet segment. However, that would limit the interconnection to 100 Mbps. To solve this problem, you could connect A to B with one Trunk Group, and connect B to C with a second Trunk Group.

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Image 54

Cabletron Systems manual Trunk Groups, 100BASE-T Crossover Cables

Contents

User Guide Page FCC Notice DOC Notice Cabletron Software Program License Declaration of Conformity Contents ELS100-16TX Diagnostics Troubleshooting Monitoring and Managing Your ELS100-16TXAppendix a Technical Specifications Appendix B GlossaryContents Viii Chapter Introduction About this Manual Getting Help Your email addressDocument Conventions Related Documentation Overview ELS100-16TX Front PanelSmartSTACK 100 ELS100-16TX Architecture Introduction Port Trunking AutonegotiationStore and Forward Switching Discarding Local TrafﬁcTypical Switching Application Spanning Tree AlgorithmSmartSTACK 100 ELS100-16TX Bridge Address Table SmartSTACK 100 ELS100-16TX Port Mirroring SmartSTACK 100 ELS100-16TX Sample ApplicationsSmartSTACK 100 ELS100-16TX Trunking Virtual Workgroups SmartSTACK 100 ELS100-16TX Trunking with 100 Mbps PortsRepeater Traffic Workgroup a Workgroup B Local Console Manager Command Syntax Conventions Basic LCM Commands HelpELS100-16TX Local Console Manager Erase Exit or LogoutTraplog Introduction Chapter Unpacking and Installing Your ELS100-16TX ELS100-16TX Front PanelPort LEDs 100BASE-T Epim Ports Reset Switch Status LEDs ACT Installing AN Epim Describes the ELS100-16TX buttonsInstalling an Epim Installing the ELS100-16TX Rack-Mounting an ELS100-16TXAttaching Rackmount Brackets Checking the POWER-UP Diagnostics Sequence Connecting the Local Console ManagerConnecting to the Network Connecting UTP Cables ELS100-16TX Twisted Pair ConnectionConnecting a Segment to the EPIM-100FX Cable Pinouts RJ45 Crossover CableFiber Optic Network Connection EPIM-100FX Port Unpacking and Installing Your ELS100-16TX Chapter Configuring Your ELS100-16TX Spectrum Spel SpmaAssigning IP Addresses Type ipaddr PORT-NUMBER IP Address Displaying IP Addresses Deleting an IP AddressChanging a Subnet Mask Enabling Bridging To change the subnet mask, at the LCM promptDisabling Bridging Displaying Bridging FunctionsEnabling Trunking Trunk Groups 100BASE-T Crossover CablesTrunk Groups Disabling Trunking Displaying Trunking Status Display could look like the followingEnabled, Rip listening Enabling Port Mirroring Disabling MirroringDisplaying Mirroring Status To check the status for ports conﬁgured for mirroring Defining and Deleting Workgroups Deﬁning Virtual WorkgroupsLCM responds with the following display Assigning a Community Name Configuring BROADCAST/MULTICAST Storm Protection Modifying MIB Variables System ContactSystem Name System LocationCommunity Names Set Community Name Aging ParameterChapter Monitoring and Managing Your ELS100-16TX ELS100-16TX Management ToolsELS100-16TX Statistics Gathering Statistics System StatisticsEthernet Port Statistics Using LCM to Check ELS100-16TX Status Displaying StatusEnabled, Rip listening Displaying MAC Addresses To display all MAC addresses, at the LCM prompt Displaying Manufacturing Information LCM would displayUsing LCM to Manage the ELS100-16TX Managing the ELS100-16TXDisabling a Port Enabling a PortNoRIP Option Changing a Community Name Setting the Baud Rate Setting a Reboot Time Chapter ELS100-16TX Diagnostics and Troubleshooting POWER-UP DiagnosticsPower-up LED Sequence Speciﬁc Power-up Tests Software Checksum ComparisonPower-up Diagnostics Results Responses to Failures AT POWER-UPStatus and Activity Indicators ELS100-16TX Front Panel LEDs ACT ELS100-16TX does not Power UP Connectivity Problems 2 ELS100-16TX Has Rebooted3 ELS100-16TX Does Not Respond to NMS ELS100-16TX Diagnostics and Troubleshooting Electrical Connector PortsPhysical EnvironmentalDiagnostic LEDs Standard SupportRegulatory Compliance Address Table SizeManagement Support Serial Cable PIN AssignmentsConnectors 100BASE-T PIN AssignmentsSTRAIGHT-THROUGH Wiring Crossover WiringEPIM-100FX Specifications 5 4 3 RuleCable Type Worst Case Budget Typical Budget Technical Speciﬁcations Address table AlarmAddress AgentBpdu bridge protocol data unit BackboneBandwidth Bps bits per secondDatagram CongestionData link layer Data rate or speedEncode Full wire speedEncapsulation EntityIeee Intelligent bridge/switchIcmp Internet control message protocol InitializationIP Internet protocol InternetworkingInteroperability ISO International Standards OrganizationMbps megabits per second MAC media access controlMask MIB management information baseOSI Open Systems Interconnection Power budgetPropagation delay PacketProtocol Rarp reverse address resolution protocolService Protocol suiteSynchronous transmission SwitchSymbol Translating bridgeUpstream WAN wide area networkGlossary