On 04/24/2017 05:16 AM, Alin Năstac wrote:
On Sun, Apr 23, 2017 at 5:46 PM, Simon Kelley <si...@thekelleys.org.uk> wrote:
When the client sends the discovery packet, dnsmasq will notice that the
requested address is in use by another client, and offer a different
You did not understood the scenario. The host that already use the requested
IP address is statically configured to use it (in other words dnsmasq does
not have a lease for the given IP address).
While at it, you might consider fixing the scenario in which a client fills a
DHCP discovery message with an option-50 containing an IP address that is
already used by another statically configured host.
in the above two paragraphs, you use the phrase "statically configured"... do
you mean "pseudo-statically configured"?
"pseudo-static" where the DHCP gives the same IP to the same MAC all the time
"static" where the machine is configured locally to use a specific IP address
in the first case, the system will be configured for DHCP and will have to ask
for its address... in the second case, the system will never talk to the DHCP
something we found in a firewall product was that one must configure their
dynamically assigned pool to exclude their static and pseudo-static IP address
ranges otherwise there is the very real possibility that the DHCP server will
hand out addresses already in use by other systems...
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