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Cisco Bug: CSCur25911 - vpc+ to vpc conversion: DF state update not sent from mcec to pixm

Last Modified

Feb 16, 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 7700 18-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch

Known Affected Releases

6.2(10)S52 6.2(8a)

Description (partial)

Symptom:
Stale FTAG entries in PIXM leading to wrong hw programming with triggers.
Due to stale entry in the PC, FTAG 0 entry will be cleaned up from the FTAG-ERBID table.
This effects the traffic driving FTAG 0 
Which results in packet drop on VPC leg

Conditions:
VPC+ to VPC conversion in F2 based setup
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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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