>> From your trace I'd say you have the following devices in your Network: >> 172.16.1.7 is the lwIP device >> 172.16.1.34 is your PC >> 172.16.1.11 a Zyxel device (Router or similar)
Minor correction to above - that the Zyxel device starts on a different subnet - 172.16.0.11 in Packet 16 and changes to IP 172.16.1.7 in Packet 20. You have at least three devices claiming IP Address 172.16.1.7: Packet 13 Src: 02:81:00:01:d4:c1 (02:81:00:01:d4:c1), This is the original Packet 17 Src: 02:81:00:01:d5:00 (02:81:00:01:d5:00) Packet 20 Src: ZyxelCom_09:93:16 (00:23:f8:09:93:16), Topology questions: do you have multiple routers active, giving out 172.16.1.7 to different devices (been there, done that!)? They may be separated by switches which perhaps keeps them apart for a while, but ARPS are passing through? If you completely isolate your test topography, this problem should go away. In any case, when duplicate IPs happen, the network becomes hopelessly confused! Marty _______________________________________________ lwip-users mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/lwip-users
