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Cisco Bug: CSCtf18029 - MPLS ENF-ISSU : Internal VLAN not removed on downgrade

Last Modified

Feb 03, 2017

Products (1)

  • Cisco Catalyst 6000 Series Switches

Known Affected Releases


Description (partial)

 Symptom: Internal VLAN not removed on image downgrade  

   1. enable "ip flow egress" on VRF interface in 12.2(4)SXI, this creates internal vlan for the vrf interface
   2. save the configuration and downgrade image (image which does not support MPLS ENF)
   3. Internal VLAN not removed
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