Antwort: DDNS and DHCP updates failing

[Mark Andrews]

> Mark Andrews wrote:
> 
> > 
> > 	Why do you think this?  Updates should occur when there is
> > 	a new lease or lease expired.  If you have long leases
> > 	clients can be off overnight and still not generate any
> > 	UPDATE requests when they reboot as they just renew their
> > 	lease.
> >  
> 
> I would expect more than this because we have a large network, approx 32 
> class C's and some private address ranges as well.  The machines in the 
> Open Access rooms have short leaases, approx 20 mins, as some leases are 
> 'stolen' if a student plugs a laptop in.
> 
> Also, a lot of the machines where turned off over Christmas, so the 
> leases would have expired, therefore I would have expected a lot of 
> updates when these new leases were allocated.
> 
> When it was working, all the files had corresponding .jnl files, now 
> only two files have them.
> 
> Is there any way to force a client to release/renew it's lease from the 
> server end?

	You really want the dhcp lists.

	http://www.isc.org/sw/dhcp/dhcp-lists.php
 
> -- 
> Gareth Ansell
> UNIX Team
> Infrastructure
> Computing Services
> Coventry University
> Tel: 024 7688 8641
> 
> 
--
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org