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Cisco Bug: CSCus91417 - Nexus 7000 fails to trasmitt RSTP BPDUs consistently

Last Modified

Feb 14, 2018

Products (8)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7700 6-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7700 18-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases

6.2(10) 6.2(12)S33

Description (partial)

Symptom:
STP Instability in layer 2 domain with N7K (Rapid PVST)
 
 This issue is seen in large scale setups with approximately 6000 RSTP sessions running. The issue is independent of the number of VDCs.

Conditions:
Packet drops were seen in the inband soft VOQ Transmit side on the SUP.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
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