Hi Jonathan,
Thanks for the response. Can I have a look at some sample code which does
similar to what I am trying to do?
Thansk and Regards,
Leena M.
Quoting Jonathan Larmour <[EMAIL PROTECTED]>:
> Leena Mokadam wrote:
> > Hello,
> >
> > I am a LWIP's new user. My query is about TCP connection with mutiple
> source
> > IPs.
> >
> > Can we maintain (send/receive) multiple network interfaces using LWIP? I
> > have to simulate multiple IP addresses for the same PC and send/receive
> TCP
> > data with multiple IP address. For example,
> > My PC needs to simulate following IP addresses
> > 192.168.20.120, 192.168.20.121, 192.168.20.122, 192.168.20.123,
> > 192.168.20.124 and 192.168.20.125. And my program needs to maintain a TCP
> > connection for all of these IP address to various different servers. It
> > involves sending and receiving of data. Please let me know if this is
> > possible woith the help of LWIP. I am not sure as I have yet not seen any
> > LWIP API which accepts source IP address and Destination IP address.
>
> In the current code, lwIP's routing and interface structure is
> intentionally simplified. You can have only one IP address for each
> interface ("netif"). I _think_ lwip should allow you to do what you want
> if you set up a netif for each IP address. When you need to send something
> from a specific address, then you will need to call
> bind()/netconn_bind()/tcp_bind() (depending on the interface you're using)
> to set the local IP address to use for that connection.
>
> If you need to set up a listening port, you will also need to have
> multiple listeners - one bound to each IP address separately.
>
> Jifl
> --
> eCosCentric Limited http://www.eCosCentric.com/ The eCos experts
> Barnwell House, Barnwell Drive, Cambridge, UK. Tel: +44 1223 245571
> Registered in England and Wales: Reg No 4422071.
> ------["The best things in life aren't things."]------ Opinions==mine
>
>
> _______________________________________________
> lwip-users mailing list
> [email protected]
> http://lists.nongnu.org/mailman/listinfo/lwip-users
>
_______________________________________________
lwip-users mailing list
[email protected]
http://lists.nongnu.org/mailman/listinfo/lwip-users
