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

[Johan Borkhuis]

Hello,

I have been using this device as well. The KSZ8863 is actually a switch 
with one MAC address. So when you connect both ports of this switch to 
the external switch you have created a loop in your network, which is 
not allowed. So if you want to test both network interfaces you have to 
disable one of the ports on the KSZ8863 or on the external switch.

Regards,
Johan

Op 2-3-2019 om 04:49 schreef vrnud:
> Hi,
>
> I am using STM32 controller interface with ksz8863.
> ksz8863 has two external port which can be connected to ethernet switch.
>
> when any one port of ksz8863 is connected to ethernet switch ping is working
> fine.
>
> but when both the ports of ksz8863 is connected to ethernet switch ping is
> not working.
> it is giving request timeout message.
>
>
> Regards,
> Vrund
>
>
>
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