unni krishnan a écrit : > Ok, then what is the best method to find the duplicate IP ( same IP > address assigned to different machines ) ? Send one ARP request for the IP address and check the number of replies. If you get several replies from different MAC addresses, then the target IP address is duplicate (unless it is assigned to one host with several interfaces connected to the network as I wrote earlier). [Removing netdev@xxxxxxxxxxxxxxx from the Cc: list again, this topic is not related to Linux networking development.] -- To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html