Cisco Bug: CSCut09976 - 6880 : VIF not created on FEX
Dec 13, 2018
- Cisco Catalyst 6000 Series Switches
Known Affected Releases
Symptom: Users connected to particular fex are unable to communicate with rest of the network. Per "show int" output interface is in "connected" up/up state but packets sent to that interfaces are isolated. Other easy to spot symptom is that MAC address learning is not happening. Shut/no shut of affected interface is not helping. To verify the problem below commands can be used: On VSS itself check if VIF were assigned to each FEX module: test pla soft sw vir vntag_mgr fex-info <FEX-ID> On FEX itself check if VIF is indeed assigned to ports on affected switch. test pla soft sw vir vntag_mgr fex-info 111 Conditions: Multiple switches in FEX connected to VSS.
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