Re: [lwip-devel] two logical ethernet interfaces on the same physical port?

[address@hidden]

On 14.06.2018 14:51, Kamil Khoury wrote:
> Hi,
>
> My application requires having two logical Ethernet interfaces on the 
> same physical port (as shown in the image).
>
>
> [..]
> ​
> I'm not sure if I did the right thing but I added the two interfaces 
> using netif_add () in lwip.c file and set both of the interfaces up.
>
> netif_add () automatically provides a unique interface num which make 
> it easy for me to choose the logical interface I want to use for 
> transmission. However, at the receiver, I could not figure out how to 
> choose the logical interface that should handle the received message. 
> I'm also not sure if this is doable because somehow it doesn't make 
> sense to choose the reception interface after receiving the message. 
> am I correct? if yes, what can I do to define two different Ethernet 
> streams or traffic classes on the same port?

I don't know what you're trying to achieve. Do you want to have 2 MAC 
addresses or 2 IP addresses? For both cases, you found a valid solution, 
I guess.

Simon