I think it is best done by disruptions to close the socket and start with a new connection and the new IP you want. As to whether it can do When you want, yes, as long as this by INTERRUPTION. Greetings.
2011/9/8 Kyle Sweet <[email protected]> > Hello, > > I'm seeking support for using Lwip. I'm not sure if this is the best way > to ask a question - if not, could someone please help me direct my question? > > Here goes: > > I am using LwIP on a Blackfin DSP from Analog Devices. I'm using UDP with > static IP addressing and no DHCP. But I want to be able to change the IP > address on the fly. I'm trying to use sethostaddr() to accomplish this. I > have a few specific questions: > > 1) Can I just call sethostaddr() at any time, wihtout having to completely > re-initialize the TCP/IP stack? > 2) Would I then be running with the new IP Address? > 3) If I have open sockets, would I need to close them first and re-open new > sockets with the new IP address? > 4) Is there anything else I need to know about changing IP address in an > LwIP application? > > Hope to hear back from you! > > Cheers, > Kyle > > _______________________________________________ > lwip-users mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/lwip-users >
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