Offer in a dhcp fo setup with split 255

Peter Rathlev peter at rathlev.dk
Mon Nov 7 18:42:45 UTC 2011


On Mon, 2011-11-07 at 18:46 +0100, Meike Stone wrote:
> > I've not used failover, but my understanding is that the split value
> > controls only how IP addresses are split between the servers - it does not
> > control which one answers a client query.
> 
> From manual page:
> "The split value determines how many of the leading bits are set to
> one. So, in practice, higher split values will cause the primary to
> serve more clients than the secondary."
> 
> I configured "split 0/255"! Then only one server should answer with a
> OFFER if DHCP-FO is in NORMAL state?

Nope. Both servers can (and do) answer. The split decides which server
"owns" the lease and both can answer, cf. recent discussions on this
list.

> Yes thats called "load balance max seconds", what I set to 3 seconds.
> From manual page:

I think Simon meant the "min-secs" parameter described in the man page.

-- 
Peter





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