Lucio De Re <lucio@cackle.proxima.alt.za> writes:

> On Fri, Jun 25, 1999 at 09:46:47AM -0400, Bill Sommerfeld wrote:
> > 
> > At a minimum, when you delete the last ifaddr on a.b.c.0, it should
> > flush the (non-static) arp entries for that net..
> > 
> But a clever system may detect a change of address that remains in the
> same network/subnet.  Unfortunately, if a change consists of a delete
> followed by an add...

So if the arp entries are that important (they aren't IMO), the clever
sysadmin can just add and then delete.  I think going out of our way to
save cached arp entries is silly, especially considering how often the
interface address is changed.

Chris.