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How to Solve CISCO: WARNING: SFP GBIC-SECURITY CHECK FAIL AND GBIC-INVALID

I ran into problem stating that : “Warning: SFP gbic-security check fail” and further stating that ‘gbic-invalid”. This came, when I was making use of non Cisco 10 Gb copper SFP’s in a 3850 stack and while inserting interface of… Continue Reading