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Cisco Bug: CSCup83034 - Fex hif interfaces learns mac in the wrong vlan with OTV

Last Modified

Sep 09, 2019

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

Known Affected Releases


Description (partial)

Mac address on Fex Hif intefaces (access ports) learnt on wrong vlan.

Details : 

interface Ethernet180/1/48
  switchport access vlan 893
  no shutdown

OTV-1# sh mac add interf e180/1/48
        * - primary entry, G - Gateway MAC, (R) - Routed MAC, O - Overlay MAC
        age - seconds since last seen,+ - primary entry using vPC Peer-Link,
        (T) - True, (F) - False
   VLAN     MAC Address      Type      age     Secure NTFY Ports/SWID.SSID.LID
* 34       d0c2.827a.adb7    dynamic   990        F    F  Eth180/1/48
* 895      d0c2.827a.adb7    dynamic   0          F    F  Eth180/1/48

Issue was observed in an OTV setup with version 6.2.8a
Fex modules connected to OTV VDC
Issue was triggered after a reload
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Bug Details Include

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