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Enterasys NAC Controller Hardware Installation Guide 5-1

Troubleshooting

Thischapterprovidesinformationconcerningthefollowing:

Unlessotherwisenoted,thefollowinginforma tionappliestoallNACControllerPEPs.

Using LANVIEW

TheNACControllerPEPsuseabuilt‐invisualdiagnosticandstatusmonitoringsystemcalled

LANVIEW.TheLANVIEWLEDs(Figure 5‐1)allowquickobservationofthenetworkstatustoaid

indiagnosingnetworkproblems.

About the Management (MGMT) LED

TheMGMTLED(showninFigure 5‐1)indicatestha ttheNACControllerPEPisservingasthe

ManagementModuletocontrolthemanagementfunctionsfortheNACControllerPEP.The

ManagementModulehandlesallIPrequeststothechassisIPaddress,suchasPING,Telnet,

SNMP,andHTTP.TheManagement

ModulealsohandlestheCLIconfigurationsessionsby

meansoftheconsoleport.

Viewing the Receive and Transmit Activity

Onthe2S4082‐25and7S4280‐19NACControllerPEPs,youcanviewthereceiveandtransmit

activityontheRXandTXLEDs.However,onlyonegroupof12portsmaybeviewedatatime.

Toviewthereceiveandtransmitactivityonagroupofattachedsegments,press

theGROUP

SELECTbutton(seeFigure 5‐1)tosteptothegroupofinterest(Groups1or2).Eachtimethe

GROUPSELECTbuttonispressed,theGROUPLEDlightsupinsequence,indicatingwhich

groupisselected.Thereceiveandtransmitactivityforthatgroupofsegmentsisthen

indicatedby

theRXandTXLEDsforeachport.

For information about... Refer to page...

Using LANVIEW 5-1

Troubleshooting Checklist 5-4

Overview of the NAC Controller PEP Shutdown Procedure 5-6

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Enterasys 2S4082-25-SYS Guida di Installazione Pagina 61