Overview of the NAC Controller PEP Shutdown Procedure
5-6 Troubleshooting

Overview of the NAC Controller PEP Shutdown Procedure

Thechassismustshutdowninanorderlyfashiontoensurethattheotherdevicesonthenetwork
arenotifiedoftheimpendingchange.Thedevicescanthenmakeintelligentdecisionsand
stabilizethenetworkbeforethechangeismade;therebyincreasingnetworkavailability.
YoucanshutdownaNACControllerPEPinanoperatingN1 ChassisusingtheOFFLINE/RESET
switchshowninFigure 52.Therearetwoprocedurestoshutdownachassis.
“RecommendedShutdownProcedure”(page 57)
“LastResortShutdownProcedure”(page 57)
Figure 5-2 OFFLINE/RESET Switch for the 2S4082-25
Figure 5-2 OFFLINE/RESET Switch for the 7S4280-19
Caution: Do not remove a NAC Controller PEP from an operating chassis system before reading
the following information and instructions.
Precaución: Antes de retirar los módulos DFE del chasis en funcionamiento, lea las siguientes
instrucciones y la información suministrada.
1OFFLINE/RESET switch
1OFFLINE/RESET switch