On 2015-11-22 22:51, Nicola Ferrari (#554252) wrote:
Hi, marco?
Did you remove old dhcp leases on pfsense?
If you renew dhcp request on an already present client (in dhcp
leases), the client will use the old lease (and all its options), so
you'll not see your new configurations reflected.
Delete all leases from Status -> DHCP leases, restart dhcp service and
retry ...
That's not necessary and would be incorrect behaviour if it were
happening. I just confirmed here with my pfSense installation, new
options are applied without removing the old lease in all expected
cases, including the Domain Name field.
I tested via a Domain Name change against an automatic renewal and
manual renewal, as well as a "release/renew" cycle; in all cases the
client was aware of the new settings immediately after the DHCP
operation completed.
Now admittedly some broken clients won't reflect all changes
immediately; some of our VoIP phones will update DNS servers as soon as
they renew, but won't update timezone information until the next reboot,
but this is a client deficiency and nothing you do in pfSense (including
removing the old lease) will make a difference, and it only causes
issues on specific hardware, but if you capture and analyze the packets,
you'll see correct data was sent by the DHCP server.
--
Dave Warren
http://www.hireahit.com/
http://ca.linkedin.com/in/davejwarren
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