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Cisco Bug: CSCuo50598 - VDC reload may cause F3 line card to flap links and corrupt PDUs

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 7000 9-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch

Known Affected Releases

6.2(6a) 6.2(8) 7.1(0)D1(0.138) 7.1(0)D1(0.161)

Description (partial)

Nexus 7000 with F3 module may experience link flaps on port-channels upon VDC reload.
We also see STP BPDU, LACP, UDLD issues as these packets could be potentially corrupted.

Port-channel config on F3 module with active traffic
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
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  • Related Community Discussions
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