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Loss of SNMP management on SecureStack B5/C5 switch

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TitleLoss of SNMP management on SecureStack B5/C5 switch
Symptoms
  • User traffic not affected, switch will carry on switching
  • Loss of SNMPv3 contact
  • Loss of management (Telnet/SSH/Local Console) to the switch
  • Switch may reset at a later date with no system dump
  • No flash memory available
  • Random, can occur at anytime on one or more switches
  • Intermittent, can be months before the next occurance
Environment
  • SecureStack
  • B5-Series
  • C5-Series
  • Firmware 06.81.07.0004 and prior
  • NetSight Management
  • Managed by CA-Spectrum
Cause
The issue is related to the polling of the "Resource Utilization MIB" etsysResourceUtiliZationMIB
Resolution
fixed in GA release 6.81.08.0005
As a workaround stop the management device from polling of the MIBs  under etsysResourceUtiliZationMIB
Additional notes

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