Hello, On Tue, Feb 17, 2009 at 7:54 PM, dogeye <[email protected]> wrote: > so how about this situation: > 1. a device, A, in a network using static IP for a while already, so > it and the server knows each other's MAC. > 2. device A changed its Ethernet card and keeps it's static IP. Then > later server sends out an ARP request for an IP other than A's > 3. in current implementation of lwip, A uses this ARP request to > update its own table. > 4. when A sends a message to server, it doesn't send out ARP request > because it has server's MAC in its table already. > 5. Therefore, server still has the old IP and MAC pair in its table, > and it will cause problem until current entry expires. > Sorry, I do not follow you, first two questions:
Server does not run lwIP in your explanation? device A runs lwIP? I do not see how 3 should happen. Regards, -- Leon _______________________________________________ lwip-users mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/lwip-users
