On 1/8/2019 11:31 AM, smicha wrote:
> Hi John,
>
> thanks for your reply.
>
> I did some tests with your hints.
>
> On 7.1.2019 17:41, john doe wrote:
>>
>> Some hints from dnsmasq.conf:
>>
>> # Give the machine which says its name is "bert" IP address
>> # 192.168.0.70 and an infinite lease
>> #dhcp-host=bert,192.168.0.70,infinite
>
> Do not work with my setup, because when we re-deploy a VM, the MAC
> address will be autom. changed.
> The re-delpoyed VM will than get a different IP as the old vm had before.
>
I just tested this option and the behavior described is correct with
dnsmasq 2.76, from the man page:
"--dhcp-host=lap,192.168.0.199 tells dnsmasq to always allocate the
machine lap the IP address 192.168.0.199.
Addresses allocated like this are not constrained to be in the range
given by the --dhcp-range option, but they must be in the same subnet as
some valid dhcp-range. For subnets which don't need"
As long as a client use the hostname ("lap") the same IP will always be
given to that client, the MAC address is not used.
>>
>> See also (1) for more info on 'dhcp-host'.
>>
>>
>> 1) http://www.thekelleys.org.uk/dnsmasq/docs/dnsmasq-man.html
>
>
> Maybe is it possible to "patch" the code of dnsmasq, where dnsmasq can
> ignore the MAC address in the DHCP task?
>
Possibly, more nolageable dnsmasqer would need to chime in to do that
though! :)
If '--dhcp-host=hostname,IP' is not working for you more info would need
to be provided.
--
John Doe
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