WIZnet Developer Forum

W7100-S2E MAC Id changed to FFFFFFFF

Hi,

I am using W7100-S2E with wiz107sr Firmware in my Design. ver 4.04.
Board working fine but suddenly i see that MAC address reset to FFFFFFFF… .
how can i recover the MAC? is any way i can re write the MAC ID?

Regards
shabbir

Hello,

Refer to the below link.
[url]Problem with Wiz107SR: not found by configuration tool after firmware upgrade]

You can solve the problem with this, I think.

BR,

Javakys.

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