Symptom

"no cdp enable" changes to "no cdp tlv app" after a specific operation

Conditions

- C9500 high performance model with stackwise-virtual configuration - no cdp enable is configured on the physical interfaces - Boot both switches independently - Connect DAD and SVL physically When SVL is connected, Switch2 will reload once. After the Switch2's booting completed, "no cdp enable" that is configured on Switch2's interfaces will change to "no cdp tlv app" on the running-configuration.

Workaround

Executing "copy start run" will recover this condition.

Further Problem Description