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Cisco Bug: CSCtc22989 - Enabling EnergyWise on 3750 causes OSPF neighbors to flap (fast hellos)

Last Modified

Feb 01, 2017

Products (1)

  • Cisco Catalyst 3750 Series Switches

Known Affected Releases


Description (partial)


 Intermittent (hourly) OSPF peer flapping may be exhibited if using fast hellos 
 and EnergyWise is enabled globally.

 Using OSPF fast hellos and EnergyWise on the same switch.
 This issue is seen in Cat3750 running 12.2(50)SE1 release.
 <CmdBold>ip ospf dead-interval<noCmdBold> <CmdArg>minimal<noCmdArg>
<CmdBold>hello-multiplier<noCmdBold> <CmdArg>4<noCmdArg>
 <CmdBold>energywise domain<noCmdBold> <CmdArg>domain_name<noCmdArg>
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