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Cisco Bug: CSCus89196 - Trunk ports move to BKN state for native vlan

Last Modified

Sep 10, 2018

Products (10)

  • Cisco Nexus 5000 Series Switches
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5624Q Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 5672UP Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 56128P Switch
  • Cisco Nexus 5696Q Switch
  • Cisco Nexus 5548UP Switch

Known Affected Releases


Description (partial)

Symptom:Native vlan on trunk links will move into a BKN spanning-tree state on the 5000 side

Conditions:5000 running 7.1(0)N1 code, and BPDUs sent on the trunk for vlans that do not exist on the 5000

Related Community Discussions

(PVID) inconsistency *PVID_Inc Issue on Nexus 5672UP Chassis
The VPC uplink on Nexus 5672UP Chassis faced the *PVID_Inc issue. Hardware & Software details: Nexus 5672UP Chassis :   kickstart version 7.1(0)N1(1b) & system version 7.1(0)N1(1b) Nexus 7010 Chassis :  kickstart version 5.2(4) & system version 5.2(4) Observation on Nexus 5K:  STP root for VLAN 1 become one of the N5K and the uplink ports become blocked with error " *PVID_Inc ". This message usually comes when the Native VLAN configuration miss-match in configuration on interface level. However in ...
Latest activity: Apr 29, 2017
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Bug Details Include

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