That Quite difficult to compare original SFP and Fake SFP, all packaging almost same.

Here Fake SFP, but we can compare where is Fake or not 😀

 

This Fake SFP

This is Fake SFP. Can you compare wtih original One 😀

IMG_8805

Packaging is looks like original but this is Fake 😀

Counterfeit SFP and

Packaging is looks like original but this is Fake 😀

Fake SFP

Check Inside SFP-10g-LR

Fake SFP

Check Inside Cisco SFP-10g-LR

Fake SFP

Original Should not like this Check Inside Cisco SFP-10g-LR

Fake SFP

Original SFP

Open Original SFP.. Check what is different

Original SFP

Open Original SFP.. Check whats is different

This Fake SFP

 

 

Fake SFP

Fake SFP

Fake SFP

Fake SFP

show interface

Fake SFP, you can Check serial number on : Show inventory

 

 

But SFP can work maybe only 1 weeks