Re: [lwip-users] Two ethernet port with one mac address

[Johan Borkhuis]

As this is a 3-port switch you should check if the external connections 
work: can you connect two PC's together with your device as a switch 
between them? If this works then the ethernet connection for both 
external ports is working correctly,
Next is the timing between the processor and the phy, which is quite 
critical. The default is to use the external (loopback) clock, but we 
have seen issues with that. A better option is to use the internal 
clock, by setting the correct bit in register 0xC6.

Hope this helps.
Regards,
Johan

Op 17-9-2019 om 15:38 schreef potw:
> Hi,
>
> I'm trying to make STM32F407VET6 work with KSZ8863 but no hope. I even can
> not do a simple ping :(.
> Could you show me how to connect STM32 <=> KSZ? It make me so confused. I
> have a lot questions.
> Which mode I shoud use between STM32 MAC and KSZ PHY? RMII or MII.
> Do I have to config anything (hardware pin/software register)????
> If you have spare time, please help me :). Thank you in advance.
>
>
>
> --
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