Re: [lwip-users] How to have two different sockets for IPv4 and IPv6

[Philip Gladstone]

On 4/8/15 14:25, address@hidden wrote:
> Ivan Delamer wrote:
> > I don't use the socket API but as far as I can remember, all you need
> > is one socket listening on IPv6 ANY address.
>
> Is that so? What's the behaviour then if you first bind an IPv4-ANY 
> socket and then the IPv6-ANY socket? Does it run IPv6-only or fail?
>
> I must admit I'm not too familiar with dual-version socket handling...
I have it working for UDP -- I listen on the same port on both IPv4 and 
IPv6 and it works. I know that Simon merged my patch to make this type 
of thing work in the current development version. I have not (yet) 
upgraded to that version to verify.

Philip