But I used to prefer to disable the auto negotiation and forcefully set the all capabilities. But after reading this paper, I come to know that after disabling auto negotiation we are not able to detect the following problems:-
1. Bad Cable Problem
2. Link failures
3. Link Partner Capabilities
4. Performance Issues
5. Pause Frames or Flow Control
If we are facing problems by enabling auto negotiation, In that case we need to talk to the vendors rather than disabling it.
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