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Cisco Bug: CSCvi07255 - STP port type edge not working after upgrade to I7(x) in dual-homed FEX setup

Last Modified

Dec 31, 2019

Products (52)

  • Cisco Nexus 9000 Series Switches
  • Cisco Nexus 3548-X Switch
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 3548 Switch
  • Cisco Nexus 31108TC-V Switch
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 3064 Switch
  • Cisco Nexus 9396TX Switch
  • Cisco Nexus 92304QC Switch
  • Cisco Nexus 92160YC-X Switch
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Known Affected Releases

7.0(3)I7(1) 7.0(3)I7(2) 7.0(3)I7(3) 7.0(3)I7(5a) 9.2(2.65) 9.3(1.93)

Description (partial)

There may be an inconsistency between the FEX front-panel port (HIF) running configuration and the VPC consistency-parameters after upgrading a N9K switch in a dual-homed (Active-Active, AA) FEX setup.
The FEX HIF is configured with the command "spanning-tree port type edge" but VPC reports the interface as "default".

Issue is seen when N9K switch is (disruptively) upgraded to 7.0(3)I7(x)
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