Re: 82599EN repeats Link Up and Down

Hi wb

Thank you for your response.

Yes,  I keep the link up status with FINISAR FTLX8271D38CV on  1Gbps speed.

I suspected the reference clock because the link up status could be kept on1Gbps.

Then, I measured a reference clock and found the cause for this issue.

The reference clock had a noise. So I replaced clock device near a 82599EN.

I connect to SPIRENT C1 tester after this. And I confirmed that the link up status is kept on 10Gbps.

The issue is solved.The cause  is noisy reference clock.

Thank you for your analysis and a lot of advice.

BR,

Taira.