From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Daley Subject: Re: IP, MAC address duplication detection ? Date: Mon, 31 Mar 2003 13:00:34 +1000 Sender: netdev-bounce@oss.sgi.com Message-ID: <3E87AF52.8060209@eng.monash.edu.au> References: <003401c2f402$3fbc4450$28acfe81@seong> Reply-To: greg.daley@eng.monash.edu.au Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset=us-ascii Content-Transfer-Encoding: 7BIT Cc: netdev@oss.sgi.com Return-path: To: Seong Moon Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org Hi Seong Moon, the IPv6 implementation does duplicate address detection. I'm not sure if this is similar to the ipv4 gratuitous ARP. Greg Seong Moon wrote: > Hi, there. > > In Linux box, How can I detect IP/MAC address duplication? > I'm using kernel-2.4.18 but the kernel does not seem to have > gratuitous arp implementation. Is it right? > > I know I can detect IP address duplication by arping program > But I want to implment a following mechanism. > > When the linux machine bootstraps or one of the nework interfaces > is assigned a MAC/IP address, the linux box can detect the duplication > of newly assigned MAC/IP address. How can I do this ? > > thanks. > >