Hi Jinmei,
> The new revision revised this section as follows:
>
> 5.4.5 When Duplicate Address Detection Fails
>
> A tentative address that is determined to be a duplicate as described
> above MUST NOT be assigned to an interface and the node SHOULD log a
> system management error. If the address is a link-local address
> formed from an interface identifier based on the hardware address
> (e.g., EUI-64), the interface SHOULD be disabled. In this case, the
> IP address duplication probably means duplicate hardware addresses
> are in use, and trying to recover from it by configuring another IP
> address will not result in a usable network. In fact, it probably
> makes things worse by creating problems that are harder to diagnose
> than just shutting down the interface; the user will see a partially
> working network where some things work, and other things will not. On
> the other hand, if the duplicated link-local address is not formed
> from an interface identifier based on the hardware address, the
> interface MAY continue to be used.
>
> Would you live with this?
Yes, this is OK.
thanks,
John
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