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Cisco Bug: CSCuq45427 - N5K: Vlan Translation Table gets misprogrammed drop packets

Last Modified

Nov 27, 2020

Products (6)

  • CiscoPro Workgroup EtherSwitch Software
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5020 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5010 Switch

Known Affected Releases


Description (partial)

N5k: Vlan Translation Table gets misprogrammed when we shut the PVLAN HIF port-channel or by reloading the end server.

when your End HIF port on FEX is configured with PVLAN Native vlan and as isolated trunk secondary with Port-channel.

Sample Interface Config:

 switchport mode private-vlan trunk secondary
  spanning-tree port type edge trunk
  switchport private-vlan trunk native vlan 1500
  switchport private-vlan trunk allowed vlan 1-3967,4048-4093
  switchport private-vlan association trunk 4088 4087
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