Intel 10/100 manual Straight-through vs. crossover cables, NIC RJ-45 MDI

Page 12

C H A P T E R

1 Intel Express 10/100 Fast Ethernet Switch

NOTE

When making your own cables, wires 1 and 2 must be a twisted pair and 3 and 6 must be a twisted pair.

Straight-through vs. crossover cables

Ports on the switch are wired MDI-X so you can use a straight- through cable when connecting to a workstation or server (adapter cards are wired MDI). For direct connection to another MDI-X port (most hubs and some switches), you must use a crossover cable.

NIC RJ-45 (MDI)

Switch/Hub RJ-45 (MDI-X)

Astraight-through (standard) cable connects MDI ports to MDI-X ports.

Switch/Hub RJ-45 (MDI-X)

Switch/Hub RJ-45 (MDI-X)

A crossover cable connects MDI-X ports to MDI-X ports (or MDI ports to MDI ports).

8

Image 12

Contents User Guide First edition Contents Chapter Troubleshooting Connect the network devices to the switch Check the LEDs for power and linksNext steps Optional Baud Data bits No parity Stop bit Xon/Xoff flow control Press Eand log into the Console ManagerTopology OverviewInstallation and Setup Intel Express 10/100 Fast Ethernet Switch Using the Switch Port status LEDs Xmt RcvManagement status LEDs LinkCabling Requirements UTP requirementsFiber optic requirements Straight-through vs. crossover cables NIC RJ-45 MDIDetermining which cable to use Typical Configurations Configuring the mixed 10 Mbps workgroup environmentConfiguration guidelines A P T E R 1 Intel Express 10/100 Fast Ethernet Switch Full duplex and flow control between Express 10/100 switches Repeater count limitations General rule forOne repeater hop for Configuring Accessing the Console Manager Accessing the Console Manager remotelyUsing the Console Manager Entering commandsMeans you can type one of the following Vlan Console Manager command groups Procedures using this diagram Sample Console Manager SessionConfiguring the Snmp agent for IP Commands usedTo configure the Snmp agent Set the IP configuration. Type the commandConfiguring a port for full duplex To configure a port for full duplexRecommended environments Creating Virtual LANs VLANs To create an SvlanCreate the two SVLANs. Type the commands To create a VBDMonitoring traffic To check traffic on a port Detecting faulty adapters or hub ports Detecting bad or poor quality cableDetecting congested segments Detecting speed mismatchesStatistic Definitions Configuring and Managing the Switch Group to display commands relevant to that group ReferenceConsole Command-line Summary Console CommandsSystem Commands IP Commands Snmp Commands Switching Database Commands Virtual LAN Vlan CommandsSpanning Tree Commands Port Configuration Commands Switching Statistics CommandsConsole Commands Help-kbdBanner LogoutSystem Commands Set-passwdSys-stat Warm-reset Cold-resetGet-stst-level Set-stst-levelInit-nvram Set-line-slipGet-sw-file Set-sw-fileSet-rsw-file Get-tftp-srvrSet-tftp-srvr Sw-dnldIP Commands IP configurationGet-bootp Set-bootpSet-ip Set-ip-confGet-slip-conf Set-slipSet-slip-conf Get-gatewPing Commands PingPing-stop Stops the active ping process. You can also press cCAddress Resolution Protocol ARP Commands Get-arp-tblAdd-arp-entry Del-arp-entrySnmp Commands Snmp community stringsGet-comm Set-commSnmp trap message commands Get-authSet-auth Get-trapsSwitching Database Commands Add-trapDel-trap Removes a station from the trap tableDatabase control commands Get-lt-entryGet-lt-16 FF-FF-FF-FF-FF-FFFind-lt-addr Del-lt-entryDel-lt-addr Add-lt-entryCustom filtering Get-lt-ageSet-lt-age Get-lt-filter Add-cf-entryVlan Commands Del-cf-entryGet-nv-cftbl Displays the custom filter table stored in NvramGet-con-matrix Get-vbc-matrixSet-vbc-domain Del-vbc-domainGet-vbc-tbl Set-sec-vlanGet-svlan-tbl Displays the table of defined SVLANsSet-mon-port MonitorSpanning Tree Commands ExampleGet-stp Set-stpGet-st-bcfg Get-st-pcfg Get-st-syscfgDisplays the spanning tree state for all ports Set-br-prio Set-br-maxageSet-br-hellot Set-br-fwdel Set-prt-prioSet-prt-enb Set-prt-pcostPort Configuration Commands Use these commands to configure and display port settingsDisplays the current port configuration Get-port-cfgStatistics Commands Set-port-dplexSet-speed-sel Set-port-fctrlGet-eth-cnt Get-colls-cntGet-rmon-cnt Get-sdist-cntDisplays the Rmon statistics packet size histogram for port Get-br-cnt2905033 Bytes Received Get-mgm-brcnt Troubleshooting General Problems Flow Control Problems TroubleshootingIntel Express 10/100 Fast Ethernet Switch Default Configuration SystemNot installed see Accessories on next PortsConsole Manager Spanning treeSpecifications FeaturesAccessories Status Indicators per portGeneral Indicators Boot and ConfigurationConnector Interfaces Maximum Cabling DistancesElectrical Specifications Power Cord SpecificationsElectromagnetic Emissions and Safety Agency Approval AC line frequency 47Hz-63Hz Fuse 100-120V/4A 200-240V/2ASnmp and MIB Support Limited Hardware Warranty Limited Hardware Warranty Europe only Avertissement Warnung Index Displaying current state, 44 enabling or disablingGet-authcommand Get-bootpcommandDatabase, switching Control commandsGet-port-cfgcommand, 22 Get-slipcommandGet-stpcommand Get-trapscommandSet-commcommand MIBSet-slipcommand Set-stpcommandXmt Transmit LED Troubleshooting Software updates Installation notes How to accessWorld Wide Web & Internet FTP Intel BBS