MAC addr takeover
mtr at cutaway.com
Mon Oct 19 11:37:25 MDT 1998
Zou Youyong wrote:
> Flavius Bindea wrote:
> > Hi,
> > I'm new on this mail list and I don't have many knowledge about
> > HA, but this is a very interesting feature.
> I am also new to this mail list :-) .
> > Why should MAC takeover be implemented. Is IP takeover not
> > enough ?
> > Flav
> I think IP takeover is enough.
> If you want to use MAC takeover just for the problem of flushing
> ARP table, then maybe there is a easy way to do it ?
> when machine B takeover machine A 's working IP address, broadcast
> its new ARP to every machine in LAN ,include client and router.
> To broadcast a new ARP, you may write a small program, or just
> use "ping" . If you ping a Null ip address in LAN , it will broadcast
> ARP automatic and flush client's arp table.
> I have test this on many machine.
Unless everyone has rewritten their arp code, its not true
on all platforms. You get widely different results from my
experience. Perhaps my experience is a bit dated, but then
so is the hardware base within most corporations (meaning,
there are a ton of people still running Win3.1 for instance
More information about the Linux-HA