Re: IP, MAC address duplication detection ?

[Greg Daley <greg.daley@xxxxxxxxxxxxxxxxx>]

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.