Re: [PATCH] Change MAC without bringing interface down

[jamal <hadi@xxxxxxxxxx>]

This is fine by me. I 'll let Tommi take the lead on it unless he is too
busy.

cheers,
jamal

On Mon, 2003-08-18 at 08:12, David S. Miller wrote:
> On 18 Aug 2003 08:13:44 -0400
> jamal <hadi@xxxxxxxxxx> wrote:
> 
> > Editing the header may be the better approach if you have a few hundred 
> > hhs already inserted (this was the issue i was faced with when VRRP was
> > failing over when i was playing with it). I tried to flush the cache but
> > it took longer to recover it. 
> 
> There is another reason I want the cache flushed.
> 
> Those hh cache entries are what ARP resolved to when we
> had the previous MAC address, not the one we have now.
> 
> The ARPs may come back differently with the new MAC
> address.
> 
> I _REALLY REALLY_ don't want to have to change the
> ->update() implementations.  Although one thing I
> would consider is a new ->update_src() operation
> and if this were NULL we flush the entries instead.
> 
>